WHITE SWAN, WASHINGTON

Monthly Total Growing Degree Days

(459191)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198107
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
1927 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 221.00 k 95.50 0.00 s 95.50
1928 16.00 3.00 179.50 248.50 627.00 690.00 1013.50 863.00 648.00 367.50 47.00 4.00 4707.00
1929 0.00 6.50 158.50 207.50 486.00 690.00 887.00 918.00 568.50 405.50 28.50 9.00 4365.00
1930 3.00 55.50 233.50 460.00 c 461.79 b 601.03 a 870.30 d 921.50 600.00 145.00 0.00 z 0.00 z 4351.62
1931 0.00 z 0.00 z 31.00 w 340.00 653.00 743.79 a 929.43 d 699.00 g 678.46 d 204.50 o 0.00 z 0.00 z 3344.68
1932 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 281.50 s 633.10 a 0.00 z 84.00 k 6.50 639.60
1933 38.00 0.00 z 119.19 b 391.03 a 214.50 q 728.50 901.50 899.50 488.00 460.57 c 122.68 b 142.00 4290.97
1934 54.50 42.00 g 0.00 z 484.50 f 655.00 712.50 855.00 900.03 a 570.00 446.92 a 165.50 21.00 4380.45
1935 51.50 19.50 112.00 327.00 505.00 690.50 925.50 842.00 423.50 n 376.00 18.62 a 1.00 3868.62
1936 28.50 27.50 11.00 y 94.00 s 676.32 a 789.50 905.00 897.45 a 633.21 b 438.98 c 14.40 e 50.50 4461.36
1937 0.00 14.50 171.50 282.41 a 528.55 a 721.50 973.63 d 801.00 684.31 a 170.00 u 138.00 33.00 4348.40
1938 15.50 9.85 a 124.50 379.00 546.38 c 801.50 1039.53 a 824.08 a 803.00 0.00 z 62.00 42.00 4647.34
1939 34.50 24.00 191.17 a 393.00 597.50 635.36 b 934.13 a 897.00 662.00 331.00 i 23.50 k 50.50 4419.16
1940 0.00 c 40.39 a 267.00 357.00 628.50 772.76 a 944.97 b 895.90 a 710.17 a 190.50 u 25.00 7.00 4648.69
1941 2.50 9.85 a 269.50 398.00 549.50 703.45 a 1038.50 a 906.75 a 423.50 h 0.00 z 84.44 c 26.00 3988.49
1942 0.00 20.50 158.74 b 452.50 543.50 691.50 958.42 a 987.50 717.00 316.00 g 27.50 2.00 4559.16
1943 6.50 12.50 127.50 392.00 444.50 628.50 901.50 802.00 731.00 388.53 a 44.44 c 43.00 4521.98
1944 1.50 12.00 105.50 312.93 a 566.50 735.00 962.50 880.50 744.00 526.00 0.00 z 7.75 c 4854.18
1945 42.00 32.50 125.03 a 290.50 0.00 z 139.00 z 1086.11 c 1096.48 d 709.00 384.50 h 92.31 d 5.00 j 3473.93
1946 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 0.00 z 0.00 z 0.00
1947 0.00 z 66.50 227.69 b 436.50 739.19 b 699.31 a 915.50 542.00 j 408.00 o 348.50 66.00 7.75 e 3506.94
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 823.50 821.50 c 787.83 b 560.36 b 281.67 b 7.50 m 0.00 h 3274.86
1949 0.00 8.52 e 91.85 d 380.00 618.34 c 655.34 a 838.55 a 868.55 c 320.50 q 117.00 l 134.00 0.50 r 3595.16
1950 0.00 c 20.50 91.00 220.00 473.27 a 723.00 930.52 a 940.00 695.50 295.00 52.00 28.13 d 4468.91
1951 14.00 44.50 78.00 h 362.00 532.00 692.50 837.00 804.81 e 242.50 u 0.00 z 0.00 z 0.00 m 3286.81
1952 0.00 13.00 124.00 395.00 621.00 719.48 a 963.58 a 923.50 753.62 a 401.00 j 25.50 m 0.00 o 4513.19
1953 126.00 71.50 150.00 272.50 476.00 604.00 912.43 a 891.50 659.48 a 430.00 138.60 e 0.00 z 4732.02
1954 15.50 a 59.00 66.98 c 285.52 a 590.50 643.45 a 855.00 806.00 639.50 295.50 129.50 h 8.00 u 4256.95
1955 0.00 23.33 a 47.00 165.50 438.50 718.00 804.00 821.50 0.00 z 136.00 r 71.50 1.55 a 3090.88
1956 0.00 6.00 117.28 a 386.50 651.00 650.69 a 972.88 a 875.75 a 667.50 b 290.88 a 34.14 a 0.00 z 4652.63
1957 0.00 d 40.00 67.00 n 379.14 a 680.00 755.50 830.36 c 746.87 d 711.11 c 172.50 f 7.00 u 36.17 a 4179.14
1958 33.58 a 128.00 100.23 a 282.41 a 752.00 0.00 z 528.50 q 986.46 c 608.04 b 362.50 50.50 h 14.00 f 3253.23
1959 11.50 42.00 a 149.66 b 344.44 c 424.59 c 711.96 b 918.24 b 754.00 551.00 273.00 f 95.56 c 21.18 a 4024.13
1960 1.00 35.44 b 174.63 a 294.83 a 463.45 a 730.86 a 1018.00 822.50 641.90 a 366.66 b 56.00 0.00 o 4605.27
1961 24.91 c 76.50 173.50 296.00 566.86 c 855.00 b 1016.28 a 1053.50 543.62 a 258.52 c 11.00 j 12.00 4876.69
1962 36.50 24.00 93.53 b 403.50 431.93 a 667.50 b 857.15 a 834.86 b 693.62 a 306.79 b 0.00 z 36.34 b 4385.74
1963 14.97 b 51.00 146.39 d 248.79 a 541.97 b 716.79 b 795.67 d 896.42 a 771.96 b 385.95 a 83.00 0.00 w 4652.90
1964 2.38 e 25.00 90.86 b 241.03 a 489.28 a 650.56 c 829.52 b 772.33 b 543.50 313.88 c 27.50 v 2.98 e 3961.32
1965 0.00 z 0.00 z 36.50 t 391.73 d 474.50 709.29 b 938.27 a 897.45 a 529.00 0.00 z 0.00 z 0.00 z 3940.23
1966 0.00 z 0.00 z 0.00 z 0.00 z 566.61 d 616.67 c 820.98 a 854.57 a 715.71 b 323.84 c 69.11 b 29.97 a 3997.46
1967 50.50 g 73.50 120.79 b 161.50 520.00 796.55 a 914.00 988.26 b 843.50 382.16 b 84.64 b 30.47 b 4915.37
1968 27.90 a 100.00 203.50 258.00 e 540.50 724.00 968.00 790.50 684.50 224.50 52.50 19.50 4593.40
1969 0.00 b 0.00 153.45 a 300.00 a 612.25 a 877.76 a 502.00 n 813.00 662.00 283.50 105.00 0.00 b 3806.96
1970 0.00 74.50 177.50 275.50 567.62 b 884.46 b 954.50 914.00 527.50 291.29 b 97.50 b 12.00 4776.38
1971 94.00 75.00 72.50 294.23 d 372.00 m 597.00 963.00 730.00 h 473.00 299.50 27.22 c 3.00 2898.45
1972 32.00 47.00 182.50 188.50 594.00 733.50 896.79 c 931.11 c 511.50 297.71 b 43.80 e 48.16 c 4506.56
1973 4.65 a 33.70 a 172.00 335.00 577.50 719.48 a 942.50 839.14 b 609.31 a 289.50 30.00 25.50 4578.28
1974 63.50 29.00 142.50 338.00 476.00 801.00 898.50 955.00 741.50 356.50 91.50 21.70 a 4914.70
1975 14.00 7.00 60.50 226.50 550.50 722.00 1059.00 816.33 a 690.50 324.50 101.50 42.00 4614.33
1976 28.00 38.00 98.00 270.00 547.50 617.59 a 607.50 i 598.50 h 771.50 339.00 115.00 3.50 2828.09
1977 6.00 82.50 151.00 463.89 c 451.00 864.00 948.48 e 176.50 x 558.50 340.50 96.00 65.50 4027.37
1978 9.50 25.31 b 273.00 345.50 524.50 811.50 980.50 908.50 654.00 e 370.00 45.60 e 0.00 z 4947.91
1979 0.00 3.50 o 212.00 354.00 649.50 807.00 984.80 c 950.00 787.50 475.50 41.00 41.00 5302.30
1980 0.00 0.50 127.50 261.00 l 605.53 a 681.11 c 894.50 807.79 e 645.50 195.00 l 33.00 q 0.00 r 3762.43
1981 10.00 p 0.00 z 162.00 j 135.50 o 0.00 z 534.00 g 910.76 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 910.76
Period of Record Statistics
MEAN 18.98 36.57 147.31 322.33 557.80 720.73 924.84 877.93 652.73 345.40 72.89 25.93 4604.65
S.D. 26.43 29.10 55.36 76.59 80.49 72.92 68.52 75.01 87.90 75.25 38.64 26.59 159.63
SKEW 2.14 1.03 0.52 -0.17 0.34 0.41 0.15 0.61 -0.11 0.04 0.43 2.37 0.52
MAX 126.00 128.00 273.00 463.89 752.00 884.46 1086.11 1096.48 843.50 526.00 165.50 142.00 4914.70
MIN 0.00 0.00 47.00 161.50 424.59 597.00 795.67 746.87 473.00 145.00 14.40 0.00 4365.00
NO YRS 45 44 43 46 47 49 49 46 46 35 37 36 10