Potato Stocks
Potato Stocks

ISSN: 1949-1565

Released February 17, 2021, by the National Agricultural Statistics Service 
(NASS), Agricultural Statistics Board, United States Department of 
Agriculture (USDA).

Potato Stocks Up 2 Percent from February 2020

Potato States held 207 million cwt in storage on February 1, 2021, 
up 2 percent from February 1, 2020. Potatoes in storage accounted for 
50 percent of the States' 2020 production compared with 48 percent a year 
earlier. The indicated potato disappearance, at 207 million cwt, was 
down 7 percent from the same period last year. Season-to-date shrink and 
loss, at 15.9 million cwt, was 4 percent higher than the same time last year. 
Processors in the 8 States used 107 million cwt of potatoes for the season, 
down 5 percent from February 2020.

Potato Production and Stocks - 13 States: February 1, 2020-2021
[Stocks include processor holdings and most of the seed to plant following year's crop. Seed usage for all seasons in 2020 totaled 23.7
million cwt]
----------------------------------------------------------------------------------------------------------------------------------------
                 :                   Crop of 2019                   :                           Crop of 2020                            
                 :----------------------------------------------------------------------------------------------------------------------
      State      :                :     Stocks     :February stocks :                :     Stocks     :     Stocks     :February stocks 
                 :   Production   :  February 1,   :  as a percent  :   Production   :  December 1,   :  February 1,   :  as a percent  
                 :                :      2020      :       of       :                :      2020      :      2021      :       of       
                 :                :                :   production   :                :                :                :   production   
----------------------------------------------------------------------------------------------------------------------------------------
                 :    ------- 1,000 cwt ------          percent          --------------- 1,000 cwt ---------------          percent     
                 :                                                                                                                      
California ......:     16,842            1,700              10            12,560            2,000            1,000               8      
Colorado ........:     19,666           10,600              54            23,134           17,100           13,500              58      
Florida .........:      6,958              (D)             (D)             5,450              (D)              (D)             (D)      
Idaho ...........:    130,900           73,000              56           134,775           95,000           75,000              56      
Maine ...........:     16,738            9,600              57            12,878            9,800            7,400              57      
Michigan ........:     20,370            7,900              39            17,860           11,400            7,300              41      
Minnesota .......:     17,845            8,200              46            17,638           12,600            9,200              52      
Nebraska ........:      9,595            3,600              38             9,306            5,000            3,900              42      
North Dakota ....:     19,430            9,900              51            22,913           16,100           12,600              55      
Oregon ..........:     25,311           14,000              55            27,000           22,400           15,200              56      
                 :                                                                                                                      
Texas ...........:      7,104              (D)             (D)             4,374              (D)              (D)             (D)      
Washington ......:    104,960           46,500              44            98,560           57,000           45,500              46      
Wisconsin .......:     28,700           15,500              54            27,800           20,000           16,300              59      
                 :                                                                                                                      
Other States 1/ .:          -            2,500             (X)                 -            2,300              400             (X)      
                 :                                                                                                                      
Total ...........:    424,419          203,000              48           414,248          270,700          207,300              50      
                 :                                                                                                                      
Klamath Basin 2/ :       (NA)            3,200            (NA)              (NA)            5,000            2,700            (NA)      
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-    Represents zero.                                                                                                                   
(D)  Withheld to avoid disclosing data for individual operations.                                                                       
(NA) Not available.                                                                                                                     
(X)  Not applicable.                                                                                                                    
1/   Includes data withheld above.                                                                                                      
2/   Includes potato stocks in California and Klamath County, Oregon. Already included in the total.                                    

Potato Production and Stocks - 13 States: 2011-2020
[Blank cells indicate estimation period has not yet begun.]
-------------------------------------------------------------------------------
   Crop  :             :             :             :             :             
   year  : Production  : December 1  : February 1  :   April 1   :   June 1    
-------------------------------------------------------------------------------
         :                              1,000 cwt                              
         :                                                                     
2011 ....:   382,318       253,000       187,500       115,650       43,340    
2012 ....:   410,367       271,500       204,600          (NA)         (NA)    
2013 ....:   388,204          (NA)          (NA)       119,450       47,085    
2014 ....:   399,118       267,500       206,600       139,200       63,535    
2015 ....:   403,062       267,900       205,900       137,200       60,080    
2016 ....:   412,688       275,800       213,000       142,600       67,570    
2017 ....:   406,800       277,900       210,600       138,800       63,740    
2018 ....:   414,359       279,300       212,800       144,700       70,370    
2019 1/ .:   424,419       269,200       203,000       127,000       58,000    
2020 ....:   414,248       270,700       207,300                               
-------------------------------------------------------------------------------
(NA) Not available.                                                            
1/   Beginning in 2019, production represents all potatoes.                    

Potato Stocks by Type as Percent of Total Stocks - 13 States: February 1, 2020 and 2021
-----------------------------------------------------------------------------------------------
                    :                               Potato Types                               
                    :--------------------------------------------------------------------------
                    :     Reds     : Round whites : Long whites  :   Yellows    :   Russets    
        State       :--------------------------------------------------------------------------
                    :Feb :Dec :Feb :Feb :Dec :Feb :Feb :Dec :Feb :Feb :Dec :Feb :Feb :Dec :Feb 
                    :2020:2020:2021:2020:2020:2021:2020:2020:2021:2020:2020:2021:2020:2020:2021
-----------------------------------------------------------------------------------------------
                    :                                    %                                     
                    :                                                                          
California .........:(D)    6    6   42   47   47  (D)    -  (D)   17   20   24   35   27   23 
Colorado ...........:  3    4    5    4  (D)    1    1  (D)    2    4    7    4   88   86   88 
Florida ............:(D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D) 
Idaho ..............:  3    2    2    4    3    4    -  (D)  (D)    2  (D)  (D)   91   92   90 
Maine ..............:  4    4    3   37   39   37  (D)    1    1  (D)    4    5   55   52   54 
Michigan ...........:(D)  (D)  (D)   80   79   79    -    -    -  (D)  (D)  (D)   18   18   18 
Minnesota ..........:  3    5    5    4    4    4  (D)  (D)  (D)  (D)  (D)  (D)   90   88   89 
Nebraska ...........:(D)  (D)  (D)   59   61   61  (D)    -    -  (D)  (D)  (D)   38   37   37 
North Dakota .......: 20   16   15  (D)   27   24  (D)    2    2    3    3    3   56   52   56 
Oregon .............:  2  (D)  (D)    1    2  (D)  (D)    2  (D)  (D)  (D)  (D)   90   92   91 
                    :                                                                          
Texas ..............:(D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D)  (D) 
Washington .........:  2    3    2    2  (D)  (D)    -  (D)  (D)    3    3  (D)   93   89   91 
Wisconsin ..........:  5    5    5   28   31   34    -    -    -    2    2    1   65   62   60 
                    :                                                                          
13 State average ...:  3    4    3   12   13   12    1    1    1    2    3    3   82   79   81 
-----------------------------------------------------------------------------------------------
-   Represents zero.                                                                           
(D) Withheld to avoid disclosing data for individual operations.                               

Quantity of Potatoes Used for Processing - 8 States: 2019-2021
[Total quantity received and used for processing regardless of the State in which the potatoes were produced. Blank cells indicate
estimation period has not yet begun]
----------------------------------------------------------------------------------------------------------------------------------------
                                      :   Current   :                                  Following year                                   
                 State                :    year     :           :           :           :           :           :           :           
                                      :-------------------------------------------------------------------------------------------------
                                      : December 1, :January 1, :February 1,: March 1,  : April 1,  :  May 1,   :  June 1,  :  Season   
                                      :    2019     :   2020    :   2020    :   2020    :   2020    :   2020    :   2020    :           
----------------------------------------------------------------------------------------------------------------------------------------
                                      :                                            1,000 cwt                                            
                                      :                                                                                                 
Idaho and Malheur County, Oregon .....:   26,655       33,170       39,840      47,980      55,775      61,640      69,395      86,863  
Maine ................................:    1,585        2,050        2,610       2,875       3,285       3,590       4,040       5,050  
Washington and Oregon ................:   34,755       42,045       49,685      59,535      67,325      71,280      78,895      94,700  
                                      :                                                                                                 
Other States 1/ ......................:   13,315       17,485       21,170      24,940      28,430      31,263      34,565      39,346  
                                      :                                                                                                 
United States ........................:   76,310       94,750      113,305     135,330     154,815     167,773     186,895     225,959  
                                      :                                                                                                 
Dehydrated 2/ ........................:   11,850       15,075       18,620      21,865      25,510      28,780      32,080      40,285  

----------------------------------------------------------------------------------------------------------------------------------------
                                      :   Current   :                                  Following year                                   
                 State                :    year     :           :           :           :           :           :           :           
                                      :-------------------------------------------------------------------------------------------------
                                      : December 1, :January 1, :February 1,: March 1,  : April 1,  :  May 1,   :  June 1,  :  Season   
                                      :    2020     :   2021    :   2021    :   2021    :   2021    :   2021    :   2021    :           
----------------------------------------------------------------------------------------------------------------------------------------
                                      :                                            1,000 cwt                                            
                                      :                                                                                                 
Idaho and Malheur County, Oregon .....:   27,195       34,360       41,695                                                              
Maine ................................:    1,475        1,750        2,095                                                              
Washington and Oregon ................:   31,930       38,235       45,085                                                              
                                      :                                                                                                 
Other States 1/ ......................:   11,380       14,854       18,134                                                              
                                      :                                                                                                 
United States ........................:   71,980       89,199      107,009                                                              
                                      :                                                                                                 
Dehydrated 2/ ........................:   13,140       16,435       19,715                                                              
----------------------------------------------------------------------------------------------------------------------------------------
1/ Other States include Colorado, Minnesota, North Dakota, and Wisconsin.                                                               
2/ Dehydrated products except starch and flour. Includes Colorado, Idaho, Minnesota, Oregon, and Washington.                            

Accumulated Potato Shrinkage and Loss - 13 States: 2019-2021
[Blank cells indicate estimation period has not yet begun]
--------------------------------------------------------------------------------------------------------------------------
        :     Current     :                 :                 :              :              :              :              
  Crop  :      year       :                                        Following year                                         
  year  :-----------------------------------------------------------------------------------------------------------------
        :December 1, 2019 : January 1, 2020 :February 1, 2020 :March 1, 2020 :April 1, 2020 : May 1, 2020  : June 1, 2020 
--------------------------------------------------------------------------------------------------------------------------
        :                                                    1,000 cwt                                                    
        :                                                                                                                 
2019 ...:     12,141            13,626            15,259           17,061         18,465         20,157         22,261    

--------------------------------------------------------------------------------------------------------------------------
        :     Current     :                 :                 :              :              :              :              
  Crop  :      year       :                                        Following year                                         
  year  :-----------------------------------------------------------------------------------------------------------------
        :December 1, 2020 : January 1, 2021 :February 1, 2021 :March 1, 2021 :April 1, 2021 : May 1, 2021  : June 1, 2021 
--------------------------------------------------------------------------------------------------------------------------
        :                                                    1,000 cwt                                                    
        :                                                                                                                 
2020 ...:     12,993            14,050            15,872                                                                  
--------------------------------------------------------------------------------------------------------------------------

Statistical Methodology

Survey Procedures: The February 1 potato stocks estimate in this report are 
based primarily on a survey conducted in the first week of February in the 
potato producing States. The potato stocks survey is a probability survey 
that includes a sample of approximately 840 growers, processors, and storage 
facilities that are contacted to obtain the quantity of potatoes stored as of 
the first of the month, as well as monthly shrinkage and loss information. 

Monthly processing data is collected from a census of all known potato 
processing facilities in eight States (Colorado, Idaho, Maine, Minnesota, 
North Dakota, Oregon, Washington, and Wisconsin).  An effort is made to 
obtain a report from all facilities. Estimates are made for missing 
facilities to make the survey complete.

Data was collected by mail, internet, telephone, or personal interview to 
obtain information on potato stocks, monthly potato processing, and monthly 
shrink and loss.

Estimating Procedures: Information obtained from the potato stocks survey, 
processing survey, and administrative data, is used to establish estimates of 
stocks, shrinkage and loss, and processing usage. These estimates are 
reviewed for errors, reasonableness, and consistency with historical 
estimates.

Revision Policy: Stocks, shrink and loss, and processing estimates for the 
previous estimating period are subject to revision based on late and/or 
updated information. At the end of the marketing season, all information 
available, including disposition data, are thoroughly reviewed and any 
necessary revisions for the entire crop year are published in the Potatoes 
Annual Summary released in September.

Reliability: Reliability of the stocks and processing data must be treated 
separately because the survey designs for the two surveys are very different. 
The stocks estimates are subject to sampling variability because all 
operations holding stocks are not included in the sample. This variability, 
as measured by the relative standard error at the United States level, is 
approximately 2.0 percent. This means that chances are approximately 95 out 
of 100 that the survey estimates for stocks will be within plus or minus 4.0 
percent of the value that could be developed by averaging the estimates 
produced from all possible samples selected from the same population and 
surveyed using the same procedures. 

Survey indications are also subject to non-sampling errors such as omission, 
duplication, imputation for missing data, and mistakes in reporting, 
recording, and processing the data. Processing, as well as stocks, are 
subject to these types of errors. These errors cannot be measured directly, 
but they are minimized through rigid quality controls in the data collection 
process and a careful review of all reported data for consistency and 
reasonableness.

Information Contacts

Listed below are the commodity statisticians in the Crops Branch of the National Agricultural Statistics Service to contact for additional information. E-mail inquiries 
may be sent to nass@usda.gov

Lance Honig, Chief, Crops Branch.................................................. (202) 720-2127

Fleming Gibson, Head, Fruits, Vegetables and Special Crops Section................ (202) 720-2127
.................................................................................. Heidi Lanouette - Blueberries, Cranberries, Cucumbers, Pistachios, Potatoes, Pumpkins,
Raspberries, Squash, Strawberries, Sugarbeets, Sugarcane, Sweet Potatoes.......... (202) 720-4285
Robert Little - Apricots, Dry Beans, Lettuce, Macadamia, Maple Syrup,
Nectarines, Pears, Snap Beans, Spinach, Tomatoes.................................. (202) 720-3250
Anastasiya Osborne - Almonds, Apples, Asparagus, Carrots, Coffee, Onions
Plums, Prunes, Sweet Corn, Tobacco................................................ (202) 720-4288
Krishna Rizal - Artichokes, Cauliflower, Celery, Garlic, Grapefruit, Hazelnuts,
Kiwifruit, Lemons, Mandarins and tangerines, Mint, Mushrooms, Olives, Oranges..... (202) 720-5412
Fleming Gibson - Avocados, Bell Peppers, Broccoli, Cabbage, Chickpeas,
Chile Peppers, Dates, Floriculture, Grapes, Hops, Pecans.......................... (202) 720-2127
Antonio Torres - Cantaloupes, Dry Edible Peas, Green Peas, Honeydews, Lentils,
Papayas, Peaches, Sweet Cherries, Tart Cherries, Walnuts, Watermelons............. (202) 720-2157

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