SUNNYSIDE, WASHINGTON

Monthly Total Growing Degree Days

(458207)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1894 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 233.00 q 287.00 0.00 z 0.50 287.50
1895 5.50 52.50 131.50 380.50 585.50 853.00 1007.00 955.00 533.00 373.50 85.50 22.50 4985.00
1896 38.50 81.50 163.00 274.00 499.50 792.00 1158.50 998.50 638.50 344.50 96.00 27.00 5111.50
1897 6.50 1.50 65.00 464.50 753.00 834.00 908.00 1068.00 596.00 292.50 108.00 34.50 5131.50
1898 0.00 85.50 104.00 364.00 596.00 797.00 1007.00 1083.00 679.00 296.50 54.00 27.50 5093.50
1899 41.00 45.50 99.00 323.00 482.50 726.50 1055.50 781.50 738.50 296.00 200.00 56.50 4845.50
1900 26.00 41.00 260.00 380.50 625.50 857.50 997.00 815.00 605.50 308.50 54.00 68.00 5038.50
1901 12.00 27.50 104.50 245.00 594.00 630.00 892.50 1041.08 a 530.00 495.00 98.00 28.50 4698.08
1902 42.50 44.50 134.50 269.00 570.50 703.50 858.50 885.50 608.00 382.50 64.50 6.50 4570.00
1903 21.00 8.00 134.00 258.50 549.00 867.50 849.00 864.00 564.00 347.50 70.50 3.00 4536.00
1904 32.00 10.00 77.00 404.00 526.00 725.69 a 930.50 927.50 664.50 361.50 144.50 19.00 4822.19
1905 21.50 50.00 245.50 354.50 550.00 731.00 1007.50 869.50 660.00 195.00 0.00 z 5.00 4689.50
1906 34.50 t 33.50 155.50 439.50 566.00 639.50 1148.00 925.50 623.50 405.50 127.50 0.00 5064.00
1907 5.50 0.00 z 0.00 z 68.50 v 0.00 z 0.00 z 0.00 z 0.00 z 572.00 433.00 109.50 0.00 z 1120.00
1908 0.00 z 0.00 z 0.00 z 0.00 z 263.00 o 690.50 988.50 894.35 a 649.14 a 350.50 144.00 18.00 3734.99
1909 13.50 41.00 147.00 267.50 497.00 787.00 879.50 814.50 695.00 356.00 160.50 4.00 4662.50
1910 17.00 15.50 309.00 466.00 717.50 725.50 962.50 777.50 615.00 417.50 84.00 8.50 5115.50
1911 10.00 0.50 206.00 303.50 490.00 764.50 999.50 872.00 549.50 308.00 95.00 5.50 4604.00
1912 7.50 54.00 101.50 348.00 611.00 837.50 921.00 834.00 550.50 234.50 108.00 26.50 4634.00
1913 7.50 15.00 100.00 368.00 561.50 793.00 937.00 931.50 595.50 277.00 95.00 0.00 4681.00
1914 31.50 42.00 219.00 385.50 662.50 698.50 1016.00 933.00 521.00 385.50 105.00 0.00 4999.50
1915 0.00 32.15 a 269.00 479.00 601.00 804.50 977.00 1084.00 632.50 438.50 68.00 19.50 5405.15
1916 12.50 31.50 243.00 416.00 549.00 756.00 871.50 937.50 657.00 345.00 59.00 2.50 4880.50
1917 8.50 22.50 57.50 281.50 557.00 724.50 1009.50 1003.00 710.00 441.00 119.00 153.00 5087.00
1918 40.50 48.00 199.50 377.50 556.00 930.00 1012.00 881.00 817.00 463.00 92.00 84.00 5500.50
1919 54.50 31.00 187.00 399.00 595.00 706.50 981.00 954.00 630.50 321.50 87.00 3.00 4950.00
1920 35.00 6.00 153.50 259.50 492.50 707.00 1048.00 961.00 665.50 387.00 69.00 21.00 4805.00
1921 24.00 59.00 208.50 325.50 628.00 831.50 918.00 951.00 540.00 417.50 91.00 53.00 5047.00
1922 0.00 5.00 84.50 267.00 569.50 923.00 1043.00 981.50 714.00 423.00 43.00 36.50 5090.00
1923 44.50 6.00 162.00 404.50 625.50 788.50 1031.00 1004.92 a 744.00 386.00 102.50 18.00 5317.42
1924 10.00 117.00 155.00 373.00 773.50 821.90 a 982.50 913.00 682.50 385.00 74.50 53.73 a 5341.63
1925 33.50 110.50 220.50 490.50 699.00 783.00 1043.50 909.00 690.50 361.15 a 36.50 27.00 5404.65
1926 4.50 100.59 a 292.00 528.50 581.50 874.50 1029.50 891.77 a 531.00 398.50 96.50 15.50 5344.36
1927 9.50 59.00 142.50 311.90 a 516.00 827.00 976.50 954.80 a 617.00 376.00 148.50 24.50 4963.20
1928 8.00 3.50 233.50 285.00 b 729.03 b 776.00 1043.15 a 901.50 657.41 a 388.00 63.50 10.00 5098.60
1929 0.00 5.50 171.02 a 280.50 606.10 b 765.52 a 941.50 962.50 592.24 a 417.00 29.50 20.50 4791.88
1930 4.00 72.07 a 253.50 473.33 c 583.83 a 717.93 a 1006.50 974.43 a 676.55 a 286.20 c 73.97 a 0.00 5122.32
1931 25.32 a 46.67 a 199.50 393.00 750.00 779.50 1049.00 951.50 689.50 371.50 91.00 0.00 5346.48
1932 3.00 85.00 192.50 412.50 598.00 874.50 886.00 914.00 660.50 368.50 110.00 32.00 5136.50
1933 30.50 16.50 117.00 354.50 504.50 794.50 1005.00 968.00 552.00 464.50 75.00 131.50 5013.50
1934 43.50 51.00 313.50 580.50 704.50 834.00 963.50 988.00 623.50 458.50 162.50 27.50 5750.50
1935 39.00 16.50 112.50 308.50 616.50 777.50 985.50 875.50 758.50 338.00 9.50 2.50 4840.00
1936 24.00 16.50 124.50 488.50 736.50 829.00 978.00 931.50 654.50 452.00 8.00 37.50 5280.50
1937 0.00 21.00 164.50 299.00 613.00 797.00 1048.00 825.00 697.00 455.00 127.00 29.00 5075.50
1938 21.50 6.50 125.50 389.00 606.50 855.50 1087.50 880.50 825.50 402.50 56.50 36.00 5293.00
1939 33.00 10.00 227.50 425.00 660.50 716.00 992.50 975.00 710.00 382.50 50.00 52.50 5234.50
1940 0.00 32.00 257.00 399.00 668.50 862.50 976.50 938.00 757.00 448.00 17.50 7.00 5363.00
1941 4.50 6.00 268.00 431.50 578.50 745.50 1093.00 898.50 558.10 a 315.50 105.00 37.00 5041.10
1942 0.00 17.50 111.00 381.00 567.50 690.50 1023.50 1021.50 710.00 422.50 39.00 4.00 4988.00
1943 1.00 13.00 116.50 391.00 502.50 692.50 982.00 860.50 755.50 367.50 36.50 33.00 4751.50
1944 6.00 14.00 87.00 350.50 611.50 785.50 1003.00 893.50 746.00 491.50 65.00 12.00 5065.50
1945 31.00 46.50 122.50 302.59 a 649.00 738.00 991.00 963.00 613.00 419.00 70.00 9.50 4955.09
1946 8.50 36.50 142.50 371.50 685.00 717.50 958.50 942.00 621.50 270.50 30.00 75.50 4859.50
1947 20.50 68.50 254.00 450.50 780.50 746.50 967.00 874.00 719.50 403.50 82.00 8.50 5375.00
1948 11.00 38.00 89.50 264.00 548.50 901.50 882.00 889.18 a 638.50 326.00 36.50 7.00 4631.68
1949 0.00 23.50 143.00 437.50 736.50 769.50 923.50 921.00 764.00 291.50 183.00 33.00 5226.00
1950 1.00 43.00 112.50 278.00 558.00 788.00 1018.50 1003.50 758.00 371.48 a 111.50 39.00 5082.48
1951 20.00 51.50 94.50 424.00 664.50 824.50 1019.00 940.50 752.50 362.50 57.00 17.50 5228.00
1952 2.50 40.00 161.00 454.04 d 664.00 786.00 1075.00 925.50 789.50 543.50 29.00 13.00 5483.04
1953 146.50 91.00 194.00 315.00 553.00 658.50 991.00 953.50 753.50 457.50 139.00 42.50 5295.00
1954 33.00 77.50 112.00 328.50 648.00 691.00 912.00 833.00 643.50 267.50 158.79 a 10.00 4714.79
1955 3.00 20.00 72.00 202.50 510.00 830.00 881.00 877.50 611.50 391.50 90.50 7.00 4496.50
1956 9.00 4.00 153.00 433.00 729.50 725.00 1053.50 959.00 723.00 366.50 61.50 54.00 5271.00
1957 0.00 31.50 140.00 390.50 747.50 846.00 908.00 852.50 750.00 327.50 67.00 48.00 5108.50
1958 32.00 134.50 132.50 319.00 838.00 937.50 1128.00 1046.50 681.00 391.50 135.00 21.00 5796.50
1959 14.00 22.50 159.00 382.00 500.00 787.00 1011.50 866.50 639.50 390.00 108.00 17.50 4897.50
1960 0.00 24.50 222.00 375.00 541.00 807.00 1097.00 875.50 690.00 437.50 110.50 0.00 5180.00
1961 45.50 102.00 198.00 357.00 585.00 927.00 1067.00 1084.00 611.00 322.40 a 11.79 b 32.50 5343.19
1962 31.00 47.00 108.00 452.00 489.00 749.00 946.50 876.00 708.00 369.50 128.50 18.50 4923.00
1963 20.00 54.00 188.00 282.50 595.50 789.50 858.00 944.00 823.00 436.50 150.00 2.00 5143.00
1964 12.50 32.50 110.50 283.93 b 534.50 753.50 964.00 830.50 618.00 355.00 35.50 13.50 4543.93
1965 20.50 78.00 156.50 432.50 581.00 804.00 1011.50 974.00 633.00 458.00 173.00 12.29 b 5334.29
1966 13.50 23.50 183.00 411.50 660.00 748.50 926.00 972.50 770.00 388.50 127.00 51.67 a 5275.67
1967 58.00 89.00 158.50 225.00 626.50 901.50 1057.00 1101.00 868.50 412.50 98.00 46.00 5641.50
1968 48.00 140.50 264.50 311.50 631.50 840.50 1058.00 867.00 710.00 279.00 69.00 16.00 5235.50
1969 0.00 0.00 181.00 339.00 691.00 956.00 937.00 857.00 705.00 274.00 111.00 4.00 5055.00
1970 3.00 51.00 169.00 250.00 589.50 911.50 1045.50 953.50 548.50 303.50 74.00 9.00 4908.00
1971 68.00 66.50 76.00 304.00 661.50 673.00 1030.50 1085.50 557.00 335.50 51.00 12.50 4921.00
1972 30.00 53.00 209.00 270.50 674.50 836.00 982.00 1021.50 571.00 357.00 66.00 57.00 5127.50
1973 13.00 43.50 179.00 382.50 644.50 795.00 1021.00 917.00 686.50 355.50 62.50 43.00 5143.00
1974 75.50 53.00 183.00 356.00 517.50 877.00 937.50 981.00 737.00 368.00 97.00 23.50 5206.00
1975 19.50 27.00 96.00 230.00 583.50 764.00 1092.00 879.50 702.00 356.00 110.50 51.00 4911.00
1976 35.50 57.50 163.50 322.50 615.50 685.50 946.50 874.50 769.50 361.50 132.00 1.00 4965.00
1977 7.50 95.50 165.00 490.50 502.50 905.50 954.00 1101.50 613.50 357.50 88.00 75.50 5356.50
1978 7.50 40.50 282.50 365.50 548.50 846.00 1010.00 949.50 649.50 366.00 43.00 13.00 5121.50
1979 0.00 50.00 214.50 365.50 683.50 840.50 1026.00 986.50 776.50 487.00 41.00 32.00 5503.00
1980 2.00 16.00 165.00 459.00 621.00 722.50 997.50 882.50 718.00 380.50 119.50 57.50 5141.00
1981 30.00 81.00 287.00 377.50 601.00 715.00 933.00 1064.50 720.50 333.50 119.50 32.55 a 5295.05
1982 20.50 112.50 168.00 262.50 584.00 899.00 972.00 968.50 683.00 331.50 49.50 22.00 5073.00
1983 47.00 92.50 287.00 359.50 706.00 764.00 906.00 1004.00 612.00 350.50 159.50 0.00 5288.00
1984 28.00 44.00 258.00 308.50 520.00 748.00 1040.50 1000.00 628.50 300.50 68.00 0.00 4944.00
1985 0.00 27.50 158.50 449.00 697.50 845.00 1176.00 907.00 595.50 355.50 78.00 0.00 5289.50
1986 11.00 90.50 301.00 353.50 668.50 982.50 897.00 1077.50 566.00 388.00 105.50 0.00 a 5441.00
1987 6.00 23.50 185.00 489.00 711.00 857.00 973.00 986.00 804.50 449.00 154.00 30.50 5668.50
1988 7.00 121.00 211.50 463.50 646.00 807.50 1048.50 1033.00 717.50 622.00 176.50 14.50 5868.50
1989 59.50 8.50 194.00 500.50 648.00 923.00 975.00 952.50 741.50 395.00 160.50 5.50 5563.50
1990 60.50 67.00 245.50 521.50 601.50 834.50 1135.50 1028.00 867.50 323.00 160.00 10.00 5854.50
1991 23.00 58.50 i 0.00 z 0.00 z 584.00 703.50 1064.00 1082.00 785.50 421.50 76.00 47.00 4786.50
1992 51.50 103.50 332.50 466.00 770.50 980.00 1029.00 1021.50 644.50 436.00 76.00 2.00 5913.00
1993 3.00 8.50 124.00 347.50 785.00 793.50 857.00 927.50 717.50 444.00 40.50 17.50 5065.50
1994 23.50 29.00 256.00 500.50 719.50 807.50 1131.00 1008.50 818.00 394.50 40.00 59.50 5787.50
1995 8.00 154.00 172.00 349.00 697.00 801.50 1039.00 880.00 809.00 355.50 137.00 30.50 5432.50
1996 15.00 49.00 197.00 396.50 509.00 777.00 1097.50 969.00 619.00 351.00 62.00 0.00 z 5042.00
1997 0.00 z 0.00 z 238.50 343.00 744.50 787.50 1003.50 1069.00 747.50 381.50 133.50 10.50 5459.00
1998 18.00 69.00 242.50 387.50 651.50 857.00 1209.00 1056.00 863.50 372.00 0.00 z 0.00 z 5726.00
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 818.00 1010.50 1009.50 0.00 z 374.07 a 258.62 a 56.50 3527.19
2000 12.50 23.50 208.00 496.50 681.50 874.50 1057.00 1013.50 725.00 404.50 51.00 0.00 5547.50
2001 6.00 17.00 239.50 360.00 715.00 806.00 1070.00 1089.00 821.00 409.00 144.50 31.50 5708.50
2002 42.00 64.50 124.00 404.00 632.50 897.00 1143.50 993.00 761.00 379.50 122.00 25.00 5588.00
2003 55.00 61.50 307.50 405.00 645.00 918.00 1129.50 1048.50 820.00 572.00 0.00 z 0.50 5962.50
2004 21.50 26.50 335.00 432.50 666.50 855.50 1115.50 1077.50 725.00 453.00 74.50 26.00 5809.00
2005 10.00 23.00 271.50 407.50 736.50 765.50 1044.50 1022.00 669.00 413.50 0.00 z 0.00 5363.00
2006 31.00 0.00 z 0.00 z 0.00 z 649.00 845.50 1172.50 0.00 z 0.00 z 399.50 141.50 18.00 3257.00
2007 15.50 43.00 237.00 360.00 675.50 824.00 1149.50 968.00 726.00 344.00 106.50 26.00 5475.00
2008 1.50 56.50 115.00 215.17 a 658.23 a 745.34 a 1042.50 976.50 693.50 341.00 123.50 5.50 4974.25
2009 21.00 13.00 93.50 314.50 626.50 905.00 0.00 z 1048.50 746.00 222.50 45.00 0.00 4035.50
2010 4.50 38.50 122.00 274.00 416.00 685.50 917.00 859.00 630.00 325.00 93.50 16.50 4381.50
2011 35.50 25.50 85.50 157.50 415.00 641.00 806.00 889.50 692.50 327.00 26.50 17.00 4118.50
2012 7.50 12.50 112.00 307.50 481.00 637.00 965.50 911.50 635.00 301.50 109.50 19.00 4499.50
2013 6.00 6.00 134.00 27.50 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 146.00
Period of Record Statistics
MEAN 20.72 44.92 177.21 367.07 617.82 796.63 1002.62 950.50 680.62 375.89 92.63 24.50 5131.83
S.D. 21.12 33.77 66.90 80.18 83.99 77.53 78.69 76.16 82.45 66.35 45.17 25.07 348.52
SKEW 2.29 0.99 0.39 0.03 0.07 0.10 0.13 0.10 0.13 0.43 0.55 2.14 -0.03
MAX 146.50 154.00 335.00 580.50 838.00 982.50 1209.00 1101.50 868.50 622.00 258.62 153.00 5913.00
MIN 0.00 0.00 57.50 157.50 415.00 630.00 806.00 777.50 521.00 195.00 8.00 0.00 4118.50
NO YRS 115 113 114 113 115 117 116 116 116 119 114 116 105