PROSSER 4 NE, WASHINGTON

Monthly Total Growing Degree Days

(456768)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1925 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1028.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1028.00
1926 0.00 z 57.00 h 230.00 f 499.29 b 558.52 a 885.60 e 860.50 f 920.00 520.38 d 306.00 g 102.86 b 24.59 b 3511.23
1927 0.00 h 42.00 a 128.65 a 303.50 457.50 776.50 940.50 962.50 580.80 e 359.48 e 97.00 i 18.00 g 4551.43
1928 0.00 z 0.00 z 0.00 z 233.65 d 519.50 f 545.00 f 0.00 z 0.00 z 24.50 z 435.79 e 47.50 h 14.90 e 684.35
1929 0.00 c 5.00 157.21 c 278.28 a 546.12 a 697.22 c 941.92 e 989.13 d 616.80 e 439.54 c 22.00 f 33.14 b 4704.35
1930 8.00 58.50 f 264.57 b 420.54 b 535.86 c 532.00 g 979.94 d 746.50 h 690.00 b 266.60 a 46.50 k 0.00 c 3165.51
1931 32.00 39.50 185.50 396.50 728.50 776.50 1043.00 990.50 693.10 a 380.50 105.50 0.00 5371.10
1932 6.20 a 89.00 200.50 395.00 554.50 809.50 889.00 917.00 691.00 419.03 b 139.50 46.50 5156.73
1933 50.00 29.00 121.00 331.00 465.00 770.00 978.50 974.00 561.50 496.00 102.00 150.00 5028.00
1934 70.00 74.50 316.50 567.00 689.50 808.00 972.50 982.50 616.00 466.00 160.50 26.50 5749.50
1935 46.50 25.00 92.50 251.00 517.50 708.00 939.50 835.50 747.00 340.00 19.00 4.50 4526.00
1936 30.50 18.00 144.50 484.00 697.00 803.00 955.00 926.00 628.80 e 450.53 a 6.50 53.50 5197.33
1937 0.00 14.52 a 191.00 280.00 532.50 766.50 1020.00 840.00 676.00 449.00 133.97 a 29.00 4932.48
1938 23.50 5.50 129.88 b 375.00 554.00 814.50 1076.50 841.50 810.00 377.00 57.00 47.50 5111.88
1939 37.50 18.50 221.50 411.00 651.50 703.50 996.13 a 990.50 690.00 360.50 48.00 69.50 5198.13
1940 0.00 35.00 255.50 363.00 647.00 818.00 948.50 881.50 715.50 420.00 16.00 9.00 5109.00
1941 3.50 9.00 265.50 395.50 537.00 716.00 1066.00 928.00 549.00 334.00 126.50 44.50 4974.50
1942 0.00 14.50 119.00 361.00 527.50 655.00 984.50 1009.50 723.00 407.50 28.00 7.00 4836.50
1943 1.00 9.50 133.00 396.00 441.50 632.50 945.00 832.00 738.50 367.50 33.00 31.00 4560.50
1944 5.00 7.00 118.50 312.50 561.50 725.50 949.00 877.00 732.50 484.00 76.00 18.00 4866.50
1945 44.50 46.00 127.50 263.50 587.50 680.00 978.00 949.00 600.00 434.00 89.00 21.50 4820.50
1946 14.00 36.81 a 141.50 337.50 666.50 698.00 933.00 935.00 604.00 271.00 35.00 76.00 4748.31
1947 30.50 80.00 247.50 422.00 750.00 711.00 922.00 836.00 705.00 381.50 66.50 10.50 5162.50
1948 6.50 29.50 92.50 232.50 507.50 848.00 848.50 845.78 a 622.50 305.00 41.50 6.00 4385.78
1949 0.00 26.00 119.50 386.00 668.50 710.50 860.25 a 874.00 722.00 253.00 157.00 35.00 4811.75
1950 0.00 42.00 87.83 a 253.50 484.00 723.50 755.50 f 941.00 710.00 329.50 107.50 40.50 3719.33
1951 21.00 45.50 72.00 354.60 e 577.00 756.00 963.00 896.00 700.50 332.00 47.59 a 17.50 4782.69
1952 0.00 36.00 124.00 a 385.00 596.00 713.50 961.50 909.00 739.50 511.50 16.00 14.50 h 4992.00
1953 129.17 a 71.50 153.50 271.00 459.00 582.00 909.00 657.50 h 707.00 418.00 118.00 27.79 b 3845.96
1954 14.50 64.00 62.50 279.50 410.50 i 625.50 851.00 801.00 629.50 282.00 165.50 8.50 3783.50
1955 3.50 3.50 51.50 167.50 448.00 759.50 779.77 e 872.00 684.50 359.00 76.00 8.00 4212.77
1956 8.00 8.00 137.00 406.50 677.50 667.50 1000.50 903.00 704.00 341.00 51.50 63.00 4967.50
1957 0.00 43.12 c 109.50 337.00 684.50 787.50 849.00 800.83 a 737.00 300.00 55.00 46.50 4749.95
1958 43.50 124.44 a 101.00 273.50 763.50 875.00 1054.50 1002.50 644.00 382.50 150.50 24.50 5439.44
1959 19.50 15.50 123.00 352.50 461.00 730.00 949.50 798.50 597.00 359.00 100.50 21.50 4527.50
1960 0.00 29.00 202.50 323.50 493.00 753.50 1028.00 806.00 669.00 406.50 119.00 0.00 4830.00
1961 46.50 112.50 169.50 317.50 533.00 873.00 998.50 1032.50 572.50 314.00 12.50 29.50 5011.50
1962 37.50 52.00 91.50 421.00 450.00 721.07 b 911.00 851.00 706.00 367.00 135.00 24.50 4767.57
1963 21.00 58.50 173.00 272.50 568.00 757.00 841.50 928.00 813.50 451.00 132.50 1.50 5018.00
1964 0.00 z 30.00 111.50 275.50 500.00 725.00 952.50 809.50 614.00 350.50 53.50 27.00 4449.00
1965 24.00 76.50 135.00 385.00 534.50 747.50 978.00 941.50 599.50 479.50 162.00 16.00 5079.00
1966 23.00 28.00 164.50 388.00 626.00 689.50 891.50 952.50 767.00 378.50 126.00 55.00 5089.50
1967 68.00 105.00 139.00 181.67 c 567.50 851.00 1011.12 a 1066.00 838.00 415.50 88.00 36.50 5367.28
1968 46.50 130.50 247.50 298.00 563.00 740.00 1008.00 839.00 656.50 247.00 46.50 9.00 4831.50
1969 0.50 0.00 161.50 298.00 664.50 886.00 882.50 812.00 662.50 234.50 96.00 4.50 4702.50
1970 0.00 26.50 150.50 220.50 538.50 841.00 957.00 873.00 513.00 287.00 64.00 8.50 4479.50
1971 65.00 70.50 59.00 271.50 600.00 599.50 938.00 1002.00 474.50 282.00 42.50 7.48 b 4411.98
1972 36.00 63.00 197.50 231.50 630.00 765.00 930.00 952.00 531.50 335.00 44.50 59.50 4775.50
1973 14.50 37.00 161.50 339.00 589.00 732.00 954.00 866.50 637.50 315.50 56.00 39.55 b 4742.05
1974 64.00 33.50 166.50 307.00 461.00 809.00 871.00 892.00 692.00 317.00 69.00 17.50 4699.50
1975 14.00 10.89 a 58.50 184.00 507.00 688.50 1027.00 781.50 644.50 311.50 90.00 38.50 4355.89
1976 23.00 39.00 109.00 274.50 564.00 643.00 886.00 815.00 720.00 329.00 98.50 4.50 4505.50
1977 6.50 72.50 128.50 453.50 460.50 861.50 881.00 1060.00 560.00 305.00 89.50 67.50 4946.00
1978 1.00 25.00 241.00 310.50 484.12 a 798.00 945.00 877.50 600.00 336.00 39.00 14.50 4671.62
1979 0.00 57.00 198.00 314.50 633.50 778.00 959.50 919.00 730.50 440.50 25.50 30.50 5086.50
1980 0.00 8.50 114.50 404.00 558.00 633.00 886.00 795.00 661.00 321.00 96.50 62.00 4539.50
1981 18.00 76.00 225.50 318.50 534.00 654.00 867.50 996.00 653.00 302.00 87.50 27.50 4759.50
1982 11.00 92.00 118.50 223.00 544.50 813.00 890.50 911.50 622.50 283.50 47.00 25.50 4582.50
1983 57.50 80.50 240.50 311.00 612.00 668.50 842.50 957.50 561.50 316.00 157.00 1.55 a 4806.05
1984 27.50 39.50 219.00 0.00 z 470.00 690.00 952.00 918.50 580.00 261.50 64.50 7.00 4229.50
1985 0.00 26.00 108.00 410.00 639.00 782.00 1104.00 861.00 544.00 342.00 72.00 0.00 4888.00
1986 14.50 80.00 267.50 303.50 0.00 z 0.00 z 0.00 z 1077.00 583.97 a 434.00 102.50 2.00 2864.97
1987 9.30 a 0.00 z 218.50 472.50 701.50 858.50 908.50 942.00 755.50 414.00 136.00 45.00 5461.30
1988 8.00 106.50 159.50 403.00 571.00 740.50 968.50 914.00 663.00 549.50 138.50 11.00 5233.00
1989 52.18 a 4.00 159.65 a 0.00 z 569.50 835.50 898.00 884.50 0.00 z 372.00 155.00 7.50 3937.83
1990 58.00 52.89 a 202.00 457.00 525.50 763.50 1035.00 980.50 825.50 0.00 z 151.00 13.00 5063.89
1991 21.50 0.00 z 141.50 331.50 534.00 635.00 0.00 z 1028.50 0.00 z 387.00 75.00 51.15 a 3205.15
1992 0.00 z 0.00 z 0.00 z 423.50 669.50 890.00 946.00 959.00 586.50 424.00 78.00 5.50 4982.00
1993 0.00 a 8.00 0.00 z 311.00 726.00 703.00 763.50 861.00 669.00 402.50 42.00 31.00 4517.00
1994 34.00 32.15 a 226.00 0.00 z 634.50 685.50 1037.00 925.50 0.00 z 0.00 z 0.00 z 0.00 z 3574.65
1995 0.00 z 0.00 z 0.00 z 0.00 z 634.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 634.00
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 598.50 337.50 60.50 3.00 999.50
1997 21.50 71.00 189.50 325.50 728.50 796.50 1032.00 1104.00 748.00 378.00 111.00 18.50 5524.00
1998 25.50 53.00 0.00 z 353.00 630.00 858.50 1219.00 1064.00 0.00 z 329.00 122.50 63.00 4717.50
1999 63.00 66.37 a 183.00 332.00 532.50 813.50 1011.00 1065.50 720.50 368.00 171.00 70.00 5396.37
2000 4.00 15.50 165.00 439.50 630.00 842.50 1041.50 1002.50 661.00 335.50 35.00 0.00 5172.00
2001 0.50 6.00 179.00 296.50 666.00 728.00 1025.50 1073.00 763.50 352.50 112.00 17.00 5219.50
2002 27.50 41.00 92.50 381.50 599.00 899.00 1167.00 1027.00 768.50 382.00 132.50 40.00 5557.50
2003 74.00 73.00 304.50 387.50 614.00 941.50 1176.00 1099.50 832.00 571.00 61.50 3.00 6137.50
2004 18.50 26.00 340.00 456.00 659.00 890.00 1159.00 1130.00 736.50 477.50 80.00 40.00 6012.50
2005 17.00 38.00 302.50 408.50 733.50 783.50 1124.00 1106.00 727.50 457.50 69.50 10.50 5778.00
2006 61.50 51.00 151.50 395.00 669.50 864.50 1208.50 1050.00 778.00 420.50 177.00 29.00 5856.00
2007 24.00 52.00 262.50 355.00 665.00 830.50 1209.00 999.50 761.00 367.00 122.50 40.50 5688.50
2008 1.00 62.00 139.00 245.00 701.50 780.50 1124.50 0.00 z 736.50 375.50 122.50 0.00 z 4288.00
2009 0.00 z 0.00 z 0.00 z 0.00 z 624.00 885.50 0.00 z 1050.00 787.00 282.62 a 83.00 0.00 3712.12
2010 0.00 z 63.00 183.50 349.00 0.00 z 719.50 1068.50 964.50 633.00 406.00 125.00 16.05 c 4528.05
2011 67.34 b 32.50 f 34.00 m 141.60 e 506.33 a 690.50 681.50 f 1065.22 b 843.62 a 407.98 c 47.68 b 8.50 g 3770.28
2012 0.50 n 0.00 z 136.50 h 0.00 z 0.00 z 0.00 z 1108.80 c 1047.80 a 787.24 a 404.50 149.48 a 29.00 3526.83
2013 6.00 18.31 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 24.31
Period of Record Statistics
MEAN 23.87 44.24 165.63 338.46 584.96 761.34 976.42 938.24 675.02 372.00 88.96 26.87 4995.80
S.D. 24.95 30.67 64.54 80.66 83.29 79.98 96.36 89.08 83.61 69.61 44.48 24.50 420.38
SKEW 1.39 0.73 0.58 0.03 0.16 0.02 0.53 0.18 -0.08 0.39 0.12 1.85 0.68
MAX 129.17 130.50 340.00 567.00 763.50 941.50 1219.00 1130.00 843.62 571.00 177.00 150.00 6137.50
MIN 0.00 0.00 51.50 141.60 441.50 582.00 763.50 781.50 474.50 234.50 6.50 0.00 4212.77
NO YRS 78 77 77 80 81 81 79 81 81 83 81 81 60