FORKS 1 E, WASHINGTON

Monthly Total Growing Degree Days

(452914)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1907 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 28.45 a 10.16 b 38.60
1908 1.60 b 0.00 1.50 0.00 z 0.00 z 225.00 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.10
1909 0.50 0.00 q 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 h 0.50
1910 0.50 h 0.00 d 24.80 a 38.89 c 222.68 a 195.00 c 330.84 b 295.05 c 237.32 b 0.00 z 0.00 z 0.00 z 1344.59
1911 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 6.50 0.00 z 6.50
1912 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 363.00 152.50 0.00 z 0.00 z 515.50
1913 0.00 z 0.00 z 21.24 d 0.00 z 0.00 z 102.50 u 0.00 z 0.00 z 218.50 15.00 u 0.00 c 0.00 239.74
1914 1.00 0.00 b 17.50 38.00 161.50 212.50 285.50 293.00 63.50 o 140.50 5.00 0.00 1154.50
1915 0.00 0.00 16.00 45.00 131.50 235.50 360.93 c 393.59 c 222.12 d 75.50 0.00 0.00 1480.13
1916 0.00 4.50 8.50 6.50 69.23 a 241.03 a 292.29 c 334.50 184.44 c 46.00 0.00 c 0.00 a 1187.00
1917 0.00 a 0.00 a 0.00 3.62 a 68.00 159.00 276.62 e 365.59 b 190.00 92.00 36.50 13.00 1204.32
1918 7.50 0.00 g 0.50 30.50 22.50 g 328.80 e 204.00 h 231.50 f 251.00 77.50 3.00 0.00 698.80
1919 0.00 0.00 a 1.50 13.50 42.00 79.66 a 245.00 307.50 210.00 52.59 c 22.78 c 2.14 b 976.66
1920 5.50 0.00 m 1.19 e 0.00 c 14.97 b 126.00 303.50 395.52 b 177.00 51.00 3.46 d 0.00 k 1078.14
1921 0.00 i 1.00 q 0.00 6.50 62.00 b 213.00 230.50 312.58 a 125.50 105.40 a 20.00 2.67 b 1078.16
1922 0.00 0.00 f 1.00 2.00 118.04 e 233.00 209.50 j 341.00 c 223.85 d 102.41 c 0.00 f 0.50 f 1021.30
1923 0.00 l 0.00 d 12.00 f 30.00 f 66.00 f 205.86 a 343.50 407.50 203.50 h 108.50 3.50 0.00 1068.86
1924 0.00 0.00 0.00 20.00 157.00 187.00 306.00 308.50 204.00 51.50 0.00 2.50 1236.50
1925 0.00 0.00 0.00 28.50 157.50 184.44 c 293.97 b 302.50 199.00 18.00 2.31 d 2.00 1188.22
1926 3.50 5.00 10.50 92.50 91.00 210.52 a 312.00 307.00 140.50 91.50 16.00 1.55 a 1281.57
1927 0.00 g 0.00 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.11 c 0.00 b 6.11
1928 5.00 0.00 18.00 5.00 141.50 200.00 367.00 292.50 202.50 45.50 8.50 0.00 1285.50
1929 0.00 0.00 0.00 5.50 69.50 162.00 281.00 321.50 236.50 91.50 1.50 0.00 1169.00
1930 0.00 b 3.00 22.00 11.00 o 24.80 a 154.29 b 197.00 j 204.50 l 209.00 72.50 5.00 c 1.07 b 491.65
1931 10.50 0.00 2.50 74.00 151.00 187.50 347.00 336.50 197.00 67.88 b 7.80 e 0.00 d 1381.68
1932 0.00 1.00 h 0.00 28.50 55.50 223.00 214.00 307.50 225.60 e 97.50 14.50 0.00 1166.10
1933 0.00 0.00 0.00 4.00 11.50 109.00 231.50 390.00 134.00 82.00 17.50 0.50 980.00
1934 2.77 c 0.50 20.67 d 111.11 c 125.50 172.50 244.00 365.69 d 200.00 101.00 16.73 d 0.00 1360.46
1935 18.50 4.00 0.00 12.50 58.00 199.00 300.24 d 305.72 b 196.00 i 0.00 z 0.00 c 2.00 899.96
1936 0.00 0.00 0.00 a 0.00 z 141.50 234.11 b 286.00 363.50 193.00 157.07 a 10.50 1.50 1387.17
1937 0.00 0.00 3.21 b 0.00 55.50 232.24 a 300.50 277.40 b 242.00 140.50 6.50 2.50 1260.34
1938 0.00 0.00 0.00 14.00 100.00 189.50 347.50 270.00 302.50 81.00 0.00 n 0.50 1305.00
1939 0.00 0.00 8.50 29.50 77.50 a 131.50 236.08 e 362.50 218.00 56.50 23.00 13.00 1156.08
1940 7.75 e 0.00 2.38 e 34.00 141.00 245.50 294.50 c 376.00 298.50 133.50 0.00 2.00 1535.13
1941 0.00 z 1.22 e 34.62 a 38.00 f 101.02 b 110.50 m 409.00 321.37 a 161.90 a 74.00 19.80 e 0.00 b 1122.91
1942 2.00 0.00 h 0.00 c 8.00 i 107.50 182.50 434.00 b 417.00 254.44 c 130.50 0.00 p 0.00 v 1527.94
1943 0.00 a 0.00 b 0.00 32.07 a 34.50 f 138.33 c 236.50 f 282.88 c 280.50 124.52 a 1.00 0.50 859.79
1944 0.00 0.00 2.00 17.00 81.63 a 155.40 e 324.50 309.45 c 275.56 c 149.50 11.50 1.50 g 1326.54
1945 0.00 a 0.00 0.00 d 1.50 f 126.50 160.00 264.50 f 292.36 b 172.50 112.63 a 1.00 0.00 865.00
1946 0.00 0.00 b 0.00 12.50 130.00 140.17 a 310.52 a 300.91 b 186.11 c 14.47 a 1.55 a 0.00 b 1096.23
1947 0.00 1.50 31.00 b 71.00 149.50 190.18 b 283.65 a 267.12 a 233.50 53.73 a 0.00 b 0.00 a 1281.18
1948 0.00 0.00 a 0.00 4.50 82.50 289.50 282.00 266.00 182.50 52.00 0.00 0.00 a 1159.00
1949 0.00 0.00 0.50 8.00 128.00 132.50 227.00 264.00 251.40 e 22.50 33.00 5.00 1071.90
1950 0.00 0.00 0.00 8.00 36.00 232.24 a 305.00 328.50 217.00 49.00 8.50 9.00 1193.24
1951 0.00 0.00 0.00 27.50 75.50 230.00 326.50 292.50 240.52 a 79.00 1.50 0.00 1273.02
1952 0.00 0.00 0.00 12.00 100.00 90.50 306.00 314.50 278.00 198.50 5.50 10.00 1315.00
1953 0.00 0.00 1.50 14.00 83.00 101.00 298.00 313.00 245.00 103.00 15.50 0.00 1174.00
1954 0.00 0.00 0.00 0.00 73.50 109.50 195.50 251.50 236.50 80.50 35.00 1.50 983.50
1955 0.00 0.00 0.00 1.00 10.50 150.00 191.50 223.50 180.00 70.00 10.00 0.00 836.50
1956 0.00 0.00 2.50 53.00 162.50 128.50 338.00 327.50 229.00 64.50 1.50 0.00 1307.00
1957 0.00 0.00 0.00 36.00 123.50 197.00 243.00 272.50 341.00 88.50 3.00 1.00 1305.50
1958 0.60 e 13.50 2.00 10.00 199.00 349.00 458.00 351.85 a 170.50 g 89.50 10.50 14.00 1497.95
1959 0.00 0.00 0.00 21.00 45.50 f 176.00 345.50 253.50 162.00 60.50 5.50 0.00 1024.00
1960 0.00 b 0.00 10.50 32.00 32.50 151.00 242.50 g 290.00 218.00 111.00 0.00 0.52 a 845.52
1961 1.00 3.00 5.00 7.50 78.00 277.50 411.00 445.50 181.50 29.00 2.00 0.00 e 1441.00
1962 0.00 2.50 0.00 14.50 16.57 b 132.00 270.50 290.00 228.50 93.00 19.00 8.00 1074.57
1963 0.00 22.50 0.00 16.50 125.00 170.00 267.00 335.00 340.50 110.50 0.50 5.00 1392.50
1964 0.00 0.00 5.00 0.00 62.50 185.50 260.00 285.00 180.00 98.00 2.00 0.50 1078.50
1965 0.00 0.50 12.50 37.50 33.50 148.00 340.50 347.00 158.50 135.00 14.00 0.00 1227.00
1966 0.50 0.00 11.88 a 13.00 69.00 152.50 250.14 b 294.50 268.50 69.00 3.00 3.00 1135.02
1967 0.00 0.00 0.00 0.00 78.02 a 285.50 337.50 435.50 322.50 95.50 12.93 a 3.50 1570.95
1968 9.00 10.50 8.50 6.50 91.00 148.50 349.50 286.00 227.00 44.00 5.50 0.00 d 1186.00
1969 0.00 a 0.00 17.00 14.00 158.50 335.00 270.00 249.03 a 228.00 49.50 14.00 3.50 1338.53
1970 0.00 6.00 1.00 0.00 67.50 220.80 e 297.50 295.50 158.00 62.00 4.50 0.00 1112.80
1971 0.00 0.50 0.00 17.50 91.00 82.00 317.00 374.30 d 162.50 84.00 1.50 0.00 1130.30
1972 0.00 f 0.00 d 14.00 0.00 167.50 195.00 326.50 437.74 b 150.50 65.50 3.50 2.87 d 1363.11
1973 0.00 0.00 0.00 6.50 132.00 200.00 321.50 262.50 286.00 36.00 2.50 0.00 1247.00
1974 1.00 0.00 0.00 21.50 34.00 205.00 280.50 372.50 379.00 113.50 8.00 0.00 1415.00
1975 0.00 0.00 0.00 0.00 111.50 153.50 365.50 288.50 340.50 52.50 8.00 0.00 1320.00
1976 0.50 0.00 1.50 36.50 84.50 148.50 305.00 309.00 317.50 105.00 24.00 2.50 1334.50
1977 3.50 2.00 0.00 73.00 62.00 221.38 a 294.50 471.00 210.00 51.00 3.50 0.00 z 1391.88
1978 0.00 6.50 15.00 22.50 83.50 333.50 420.00 359.50 229.00 153.50 2.00 0.00 1625.00
1979 0.00 0.00 19.00 45.50 150.00 189.50 388.50 399.90 a 376.00 171.50 9.00 3.00 1751.90
1980 0.00 8.50 0.50 51.00 90.00 165.50 353.00 322.50 276.00 153.00 32.00 11.50 1463.50
1981 19.00 5.00 9.00 50.00 109.50 143.00 305.50 445.50 298.00 61.00 19.50 0.00 1465.00
1982 0.00 0.00 0.00 13.00 81.50 305.00 289.00 375.00 302.00 72.50 0.00 0.00 1438.00
1983 0.50 5.50 3.50 59.00 208.50 223.50 346.00 426.00 240.50 38.00 8.50 0.00 1559.50
1984 2.00 0.00 11.00 24.50 71.50 193.00 370.00 352.50 216.00 72.00 0.00 0.00 1312.50
1985 0.00 0.00 0.00 47.50 127.00 222.50 463.00 359.50 188.50 47.50 2.50 0.00 1458.00
1986 5.00 7.50 13.00 4.50 127.00 292.00 264.00 452.00 202.50 114.00 3.00 0.00 1484.50
1987 0.00 7.50 14.50 82.50 154.00 274.00 323.50 409.00 335.00 161.50 40.00 0.00 1801.50
1988 1.00 15.00 4.00 67.50 135.00 202.50 362.00 389.00 259.00 167.50 12.00 2.00 1616.50
1989 0.00 0.00 0.00 92.50 141.50 308.00 299.00 356.00 351.00 88.50 10.00 7.50 1654.00
1990 0.00 0.00 12.00 53.50 99.50 226.50 447.00 446.50 345.00 23.00 8.00 0.00 1661.00
1991 0.00 16.50 6.50 32.50 68.00 162.50 359.50 351.00 329.00 121.50 15.00 3.50 1465.50
1992 1.50 26.00 33.50 72.50 234.00 338.50 405.50 407.50 212.00 102.00 3.00 0.00 1836.00
1993 0.00 2.50 6.00 12.50 217.50 246.50 294.00 387.50 274.50 129.50 0.00 0.00 1570.50
1994 0.00 0.00 33.50 49.00 146.50 191.50 359.50 376.00 319.50 44.00 0.00 0.00 1519.50
1995 0.00 6.50 12.50 41.50 167.50 236.00 404.50 301.00 349.50 63.00 38.00 2.00 1622.00
1996 4.00 8.00 12.50 63.50 67.50 181.00 433.50 420.50 206.00 92.50 9.50 0.00 1498.50
1997 1.00 0.00 2.50 10.50 214.50 216.50 354.50 416.50 327.50 75.50 14.50 5.50 1639.00
1998 2.50 0.00 16.50 47.00 149.00 220.00 400.50 397.50 272.00 90.00 10.00 0.00 1605.00
1999 0.00 0.00 4.00 43.00 73.50 169.50 304.00 375.00 254.00 40.50 5.50 0.00 1269.00
2000 0.00 0.00 0.00 53.00 71.50 266.00 346.50 319.00 237.50 41.33 a 0.00 0.00 a 1334.83
2001 0.00 0.00 3.00 27.00 96.50 166.50 269.50 338.00 229.50 39.00 10.50 0.00 1179.50
2002 2.50 0.00 0.00 15.00 a 75.50 269.00 377.50 353.00 229.82 b 61.00 15.00 0.00 1398.32
2003 4.50 0.00 10.50 14.00 123.00 315.50 387.50 355.50 300.50 123.50 0.00 0.00 1634.50
2004 4.50 0.00 27.50 94.00 143.50 280.50 441.00 465.00 218.00 103.50 12.50 1.00 1791.00
2005 21.50 1.50 20.00 68.50 227.00 233.00 394.50 413.00 194.00 71.00 0.00 10.00 1654.00
2006 0.50 0.00 1.50 26.00 141.00 281.00 393.50 322.50 256.50 62.00 20.50 0.50 1505.50
2007 0.00 0.00 5.50 26.00 97.00 169.50 394.00 355.50 201.00 47.00 6.50 2.00 1304.00
2008 0.00 0.00 0.00 11.00 130.00 145.00 299.50 344.00 244.50 57.00 29.00 0.00 1260.00
2009 0.00 0.00 0.00 20.00 0.00 z 0.00 z 0.00 z 365.00 273.00 40.00 4.50 0.00 702.50
2010 2.00 0.00 4.00 17.00 41.00 162.00 320.00 325.00 243.50 76.50 5.50 0.00 1196.50
2011 0.00 0.00 0.00 4.50 22.00 162.50 279.00 a 331.50 287.50 40.00 1.00 0.00 1128.00
2012 0.00 0.00 1.50 28.00 86.00 116.00 291.00 375.00 234.50 59.00 10.50 0.00 1201.50
2013 0.00 0.00 11.00 5.50 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 11.00
Period of Record Statistics
MEAN 1.59 2.08 6.49 28.57 105.14 200.23 322.95 342.67 241.25 83.83 9.25 1.83 1349.81
S.D. 3.86 4.71 8.83 25.67 51.79 61.00 60.10 55.59 58.45 38.76 9.77 3.34 215.54
SKEW 3.54 3.06 1.49 1.10 0.40 0.46 0.26 0.31 0.44 0.61 1.37 2.20 0.21
MAX 21.50 26.00 34.62 111.11 234.00 349.00 463.00 471.00 379.00 198.50 40.00 14.00 1836.00
MIN 0.00 0.00 0.00 0.00 10.50 79.66 191.50 223.50 125.50 14.47 0.00 0.00 836.50
NO YRS 97 95 101 93 94 97 92 97 97 98 99 96 76