WHITE SWAN, WASHINGTON

Monthly Total Growing Degree Days

(459191)

Base Temperature = 50 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 57.00 k 3.00 0.00 s 3.00
1928 1.00 0.00 16.00 48.00 332.50 390.00 703.50 553.00 348.00 105.50 0.00 0.00 2497.50
1929 0.00 0.00 14.50 42.50 193.50 390.00 577.00 608.00 270.00 134.50 0.00 0.00 2230.00
1930 0.00 7.00 70.50 167.22 c 165.16 b 303.62 a 560.30 d 611.50 304.00 38.50 0.00 z 0.00 z 2227.79
1931 0.00 z 0.00 z 0.00 w 97.50 343.00 443.79 a 619.43 d 459.00 g 378.46 d 55.00 o 0.00 z 0.00 z 1882.18
1932 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 161.50 s 333.10 a 0.00 z 0.50 k 0.00 333.10
1933 0.00 0.00 z 3.74 b 144.31 a 77.00 q 431.00 591.50 589.50 209.50 171.05 c 19.29 b 15.50 2175.39
1934 0.00 0.00 g 0.00 z 244.50 f 345.00 412.50 545.00 590.03 a 282.00 151.38 a 10.00 0.00 2335.92
1935 8.00 0.00 20.00 78.50 195.50 390.50 615.50 532.00 263.50 n 141.00 0.00 a 0.00 1981.00
1936 0.00 3.50 0.00 y 25.50 s 366.32 a 489.50 595.00 587.45 a 335.89 b 151.12 c 0.00 e 5.50 2534.28
1937 0.00 0.00 11.00 41.38 a 225.78 a 421.50 663.63 d 491.00 385.86 a 78.50 u 5.00 0.00 2245.15
1938 0.00 0.00 a 2.50 116.50 251.32 c 501.50 729.53 a 514.08 a 503.00 0.00 z 4.00 1.50 2623.94
1939 0.00 0.00 46.50 a 121.00 287.50 335.36 b 624.13 a 587.00 362.00 116.00 i 0.00 k 0.00 2363.49
1940 0.00 c 0.00 a 42.50 82.00 319.50 472.76 a 634.97 b 585.90 a 410.17 a 90.50 u 0.00 0.00 2547.80
1941 0.00 0.00 a 46.50 124.50 240.00 403.45 a 728.50 a 596.75 a 203.50 h 0.00 z 1.67 c 0.00 2141.36
1942 0.00 0.00 28.33 b 158.00 242.00 391.50 648.42 a 677.50 417.00 108.00 g 0.00 0.00 2562.74
1943 0.00 0.00 15.00 126.50 160.00 328.50 591.50 492.00 431.00 166.37 a 2.22 c 6.00 2319.09
1944 0.00 0.00 14.00 71.90 a 259.00 435.00 652.50 570.50 446.00 216.50 0.00 z 0.00 c 2665.40
1945 5.00 3.00 1.03 a 74.00 0.00 z 99.00 z 776.11 c 786.48 d 409.00 186.00 h 8.08 d 0.00 j 2062.70
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 4.50 34.74 b 161.00 429.19 b 399.31 a 605.50 332.00 j 258.00 o 95.50 2.00 0.00 e 1731.74
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 523.50 511.50 c 477.83 b 272.14 b 66.81 b 0.00 m 0.00 h 1851.78
1949 0.00 0.00 e 0.57 d 114.50 323.29 c 355.34 a 528.55 a 558.55 c 190.50 q 7.00 l 5.00 0.00 r 1885.81
1950 0.00 c 0.00 6.50 21.00 178.77 a 423.00 620.52 a 630.00 397.50 54.50 0.00 0.00 d 2331.78
1951 0.00 8.00 3.50 h 89.00 229.50 392.50 527.00 494.81 e 152.50 u 0.00 z 0.00 z 0.00 m 1740.81
1952 0.00 0.00 14.50 137.00 324.00 419.48 a 653.58 a 613.50 453.62 a 193.00 j 0.00 m 0.00 o 2615.69
1953 5.00 0.50 7.50 69.50 177.00 304.00 602.43 a 581.50 359.48 a 128.50 6.00 e 0.00 z 2241.42
1954 0.00 a 8.00 0.00 c 46.55 a 290.00 343.45 a 545.00 496.00 340.50 63.50 6.50 h 0.00 u 2133.00
1955 0.00 0.00 a 0.00 18.50 148.00 418.00 494.00 511.50 0.00 z 27.00 r 10.50 0.00 a 1600.50
1956 0.00 0.00 3.62 a 128.50 347.00 350.69 a 662.88 a 565.75 a 367.50 b 69.23 a 0.00 a 0.00 z 2495.17
1957 0.00 d 2.00 4.00 n 87.93 a 370.00 455.50 520.36 c 436.87 d 411.11 c 35.00 f 0.00 u 0.00 a 2283.77
1958 0.00 a 6.00 0.00 a 47.59 a 442.00 0.00 z 388.50 q 676.46 c 314.46 b 125.00 0.00 h 0.00 f 1611.51
1959 0.00 0.00 a 5.34 b 90.00 c 130.09 c 411.96 b 608.24 b 444.00 255.50 70.50 f 30.00 c 6.20 a 1981.34
1960 0.00 0.00 b 36.68 a 85.34 a 168.95 a 430.86 a 708.00 512.50 341.90 a 108.50 b 0.00 0.00 o 2392.74
1961 0.00 c 0.50 20.50 58.50 269.04 c 555.00 b 706.28 a 743.50 244.14 a 76.39 c 0.00 j 0.00 2673.85
1962 0.00 0.00 1.07 b 134.00 138.47 a 368.57 b 547.15 a 524.86 b 393.62 a 43.83 b 0.00 z 0.00 b 2151.57
1963 0.00 b 0.00 9.76 d 30.00 a 253.88 b 416.79 b 485.67 d 586.42 a 471.96 b 138.47 a 0.00 0.00 w 2392.94
1964 0.00 e 0.00 5.88 b 15.52 a 198.40 a 350.56 c 519.52 b 462.33 b 244.50 78.61 c 0.00 v 0.00 e 1875.30
1965 0.00 z 0.00 z 10.00 t 118.85 d 188.50 409.29 b 628.27 a 587.45 a 236.50 0.00 z 0.00 z 0.00 z 2168.85
1966 0.00 z 0.00 z 0.00 z 0.00 z 265.80 d 320.56 c 510.98 a 544.57 a 415.71 b 76.39 c 0.00 b 0.00 a 2134.01
1967 2.00 g 1.50 2.67 b 8.50 221.00 496.55 a 604.00 678.26 b 543.50 111.71 b 1.07 b 0.00 b 2668.76
1968 0.52 a 1.00 21.00 70.80 e 235.50 424.00 658.00 480.50 387.00 31.50 0.00 0.00 2309.82
1969 0.00 b 0.00 26.87 a 49.66 a 319.30 a 577.76 a 332.00 n 503.00 362.00 43.50 1.50 0.00 b 1883.58
1970 0.00 0.00 13.00 49.50 262.97 b 584.46 b 644.50 604.00 239.00 79.64 b 0.00 b 0.00 2477.07
1971 3.00 2.00 0.50 53.08 d 193.00 m 297.00 653.00 500.00 h 179.50 103.50 0.00 c 0.00 1291.58
1972 0.00 6.50 25.50 34.00 294.50 433.50 586.79 c 621.11 c 237.00 51.84 b 0.00 e 1.66 c 2292.40
1973 0.00 a 0.00 a 7.00 99.00 275.00 419.48 a 632.50 529.14 b 309.31 a 40.50 0.00 0.00 2311.93
1974 1.00 0.00 8.00 66.50 185.00 501.00 588.50 645.00 441.50 73.00 1.00 0.00 a 2510.50
1975 0.00 0.00 0.00 28.50 244.50 422.00 749.00 506.33 a 390.50 87.00 19.50 12.00 2459.33
1976 0.00 0.00 3.00 50.00 243.00 321.72 a 387.50 i 368.50 h 471.50 110.50 8.50 0.00 1208.22
1977 0.00 0.50 11.00 202.78 c 155.00 564.00 638.48 e 106.50 x 258.50 59.50 5.50 4.00 1899.26
1978 0.00 0.00 b 83.00 78.00 220.00 511.50 670.50 598.50 354.00 e 121.50 6.60 e 0.00 z 2643.60
1979 0.00 0.00 o 16.50 106.50 339.50 507.00 674.80 c 640.00 487.50 196.50 0.00 2.00 2970.30
1980 0.00 0.00 1.50 104.50 l 296.57 a 381.11 c 584.50 497.79 e 345.50 68.50 l 0.00 q 0.00 r 2106.97
1981 0.00 p 0.00 z 7.00 j 51.50 o 0.00 z 304.00 g 600.76 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 600.76
Period of Record Statistics
MEAN 0.52 1.24 16.24 83.56 257.23 421.02 614.84 567.93 355.47 100.32 4.07 1.51 2373.94
S.D. 1.60 2.37 18.80 45.51 75.76 72.59 68.52 75.01 84.55 46.93 6.64 3.51 101.07
SKEW 3.39 1.88 1.80 0.46 0.37 0.42 0.15 0.61 -0.03 0.57 2.31 2.72 0.22
MAX 8.00 8.00 83.00 202.78 442.00 584.46 776.11 786.48 543.50 216.50 30.00 15.50 2510.50
MIN 0.00 0.00 0.00 8.50 130.09 297.00 485.67 436.87 179.50 31.50 0.00 0.00 2230.00
NO YRS 45 44 43 46 47 49 49 46 46 35 37 36 10