SUNNYSIDE, WASHINGTON

Monthly Total Growing Degree Days

(458207)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200601
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 901.50 884.50 888.50 638.50 326.00 36.50 7.00 3682.50
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 394.20 e 639.93 c 852.78 c 658.00 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1917.91
Period of Record Statistics
MEAN 24.30 55.19 190.72 375.08 636.62 819.45 1014.26 971.88 709.33 383.76 100.40 23.26 5274.30
S.D. 25.86 36.58 64.70 77.00 79.96 76.41 81.38 77.38 82.26 66.89 49.13 19.84 333.39
SKEW 2.19 0.80 0.35 -0.16 0.06 0.06 0.08 -0.06 -0.03 1.19 0.56 0.64 0.00
MAX 146.50 154.00 335.00 521.50 838.00 982.50 1209.00 1101.50 868.50 622.00 258.62 75.50 5913.00
MIN 0.00 0.00 72.00 202.50 489.00 658.50 857.00 830.50 548.50 267.50 11.79 0.00 4496.50
NO YRS 56 54 55 56 57 59 58 58 57 58 55 56 50