CHEWELAH, WASHINGTON

Monthly Total Growing Degree Days

(451395)

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
1925 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 0.00 0.00
1926 0.00 0.00 0.00 100.50 90.50 308.50 506.33 a 378.00 91.50 17.50 0.00 0.00 1492.83
1927 0.00 0.00 0.00 33.50 89.50 343.00 424.38 b 430.50 143.00 33.00 0.00 0.00 1496.88
1928 0.00 0.00 1.00 15.50 243.50 275.50 495.00 340.48 a 155.00 29.50 0.00 0.00 1555.48
1929 0.00 0.00 0.00 0.00 m 188.00 322.50 458.00 453.00 145.50 52.70 a 0.00 a 0.00 1619.70
1930 0.00 0.00 0.50 64.50 79.00 i 258.00 349.50 i 514.00 258.50 24.00 0.00 0.00 1119.50
1931 0.00 0.00 2.00 43.45 a 255.50 334.50 531.00 460.50 194.00 14.00 0.00 0.00 1834.95
1932 0.00 0.00 a 2.00 27.00 142.00 379.00 408.50 434.50 164.50 g 62.00 1.07 b 0.00 1456.07
1933 0.00 0.00 a 0.00 33.50 73.00 287.50 446.50 453.50 134.50 41.50 0.00 0.50 1470.50
1934 0.00 0.00 4.00 130.50 208.00 322.50 484.50 464.50 150.00 34.00 3.00 0.00 b 1801.00
1935 0.00 0.00 0.00 3.60 e 100.00 229.00 472.50 390.00 232.50 38.00 0.00 0.00 a 1465.60
1936 0.00 0.00 0.00 96.00 248.00 357.50 493.50 430.00 198.50 41.00 0.00 0.00 1864.50
1937 0.00 a 0.00 0.00 13.00 151.50 272.07 a 538.00 347.50 251.00 19.63 a 0.00 0.00 f 1592.70
1938 0.00 0.00 0.00 0.00 o 0.00 z 432.50 580.50 375.50 409.50 39.00 0.00 l 0.00 q 1837.00
1939 0.00 0.00 b 0.00 41.50 163.78 a 197.50 495.00 488.00 248.50 32.00 0.00 0.00 1666.28
1940 0.00 0.00 1.00 36.00 243.00 440.50 447.00 h 477.00 376.00 74.00 0.00 0.00 1647.50
1941 0.00 0.00 4.00 76.00 167.50 354.50 641.00 481.00 136.50 12.00 0.00 0.00 a 1872.50
1942 0.00 0.00 0.00 27.50 127.50 264.50 579.50 541.00 257.00 41.50 0.00 0.00 1838.50
1943 0.00 0.00 0.00 61.50 107.50 264.00 524.00 408.00 245.50 91.00 0.00 0.00 1701.50
1944 0.00 0.00 0.50 39.00 209.50 362.00 533.00 457.00 277.50 53.50 0.00 0.00 1932.00
1945 0.00 0.00 0.00 14.50 200.39 c 297.50 547.50 501.00 166.50 84.00 0.00 0.00 1811.39
1946 0.00 0.00 1.00 52.50 222.50 279.50 504.50 477.92 a 183.75 b 9.50 0.00 0.00 1731.17
1947 0.00 a 0.00 i 0.50 37.50 226.82 a 299.50 504.50 414.00 235.18 b 50.50 0.00 j 0.00 1768.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 488.33 c 431.00 450.00 230.69 a 30.48 a 0.00 b 0.00 1630.51
1949 0.00 0.00 b 0.00 54.50 282.62 a 313.00 489.00 446.50 277.50 5.00 5.00 0.00 b 1873.12
1950 0.00 0.00 0.00 a 3.00 125.50 334.50 531.13 a 486.50 265.00 11.37 a 0.00 0.00 1757.00
1951 0.00 0.00 0.00 31.00 164.82 a 293.00 520.00 464.50 220.00 65.50 0.00 0.00 1758.82
1952 0.00 0.00 0.00 91.00 219.00 326.50 511.00 488.00 284.50 58.50 0.00 0.00 1978.50
1953 0.00 0.00 1.50 44.50 152.00 245.00 485.00 467.50 243.00 49.00 3.50 0.00 1691.00
1954 0.00 0.00 0.00 13.50 190.00 237.00 428.50 372.00 204.00 5.17 a 0.00 0.00 1450.17
1955 0.00 0.00 0.00 2.59 a 74.00 351.00 477.00 395.00 223.50 22.22 a 0.00 0.00 1545.30
1956 0.00 0.00 0.00 80.50 262.50 278.00 541.00 448.50 233.00 30.47 b 0.00 0.00 1873.97
1957 0.00 0.00 0.00 27.50 316.00 362.00 434.50 355.00 294.00 40.82 a 0.00 0.00 1829.82
1958 0.00 3.00 2.00 9.00 357.50 466.50 600.00 608.00 224.50 47.50 0.00 0.00 2318.00
1959 0.00 0.00 0.00 30.00 88.50 298.50 495.00 382.00 155.50 11.00 0.00 0.00 1460.50
1960 0.00 0.00 9.50 42.50 107.50 317.50 599.50 382.50 225.00 32.50 0.00 0.00 1716.50
1961 0.00 0.00 0.50 35.00 163.50 472.50 565.50 617.00 131.50 23.00 0.00 0.00 2008.50
1962 0.00 0.00 0.00 51.50 83.50 286.00 435.50 411.50 222.50 19.50 0.00 0.00 1510.00
1963 0.00 0.00 1.50 27.50 161.00 334.50 431.00 481.50 358.00 64.00 0.00 0.00 1859.00
1964 0.00 0.00 0.00 5.50 131.50 296.50 482.50 321.00 107.00 19.00 0.00 0.00 1363.00
1965 0.00 0.00 0.00 35.00 128.00 278.00 489.00 490.50 92.00 50.00 0.00 0.00 1562.50
1966 0.00 0.00 3.00 25.50 188.50 214.00 439.50 439.50 326.50 26.50 0.00 0.00 1663.00
1967 0.00 0.00 0.00 3.50 137.43 a 377.50 503.00 550.50 367.50 24.50 0.00 0.00 1963.93
1968 0.00 0.00 0.00 24.50 107.50 258.50 523.50 407.00 0.00 z 9.50 0.00 0.00 1330.50
1969 0.00 0.00 0.00 31.50 221.00 407.00 395.00 401.50 232.00 0.00 0.00 0.00 1688.00
1970 0.00 0.00 0.00 0.00 144.00 414.00 562.50 488.00 145.50 47.50 0.00 e 0.00 1801.50
1971 0.00 0.00 0.00 13.50 197.50 219.50 480.50 591.00 108.00 40.50 0.00 0.00 1650.50
1972 0.00 1.50 5.00 9.00 171.00 289.00 409.00 552.00 144.50 19.50 0.00 0.00 1600.50
1973 0.00 0.00 0.00 21.00 177.00 296.50 511.50 479.50 216.00 9.50 0.00 0.00 1711.00
1974 0.00 0.00 0.00 25.50 83.50 414.50 461.00 476.50 241.50 5.50 0.00 0.00 1708.00
1975 0.00 0.00 0.00 6.00 125.50 262.50 619.00 364.50 0.00 z 42.00 1.00 0.00 1420.50
1976 0.00 0.00 0.00 19.00 137.50 218.50 461.00 391.50 279.00 32.00 0.00 0.00 1538.50
1977 0.00 0.00 0.00 71.00 85.50 406.00 458.00 571.50 134.00 0.00 0.00 z 0.00 a 1726.00
1978 0.00 a 0.00 9.82 a 32.50 84.73 a 342.00 479.47 a 418.50 176.00 7.50 0.00 0.00 1550.52
1979 0.00 0.00 0.00 28.00 150.50 358.50 579.00 585.50 327.50 79.00 0.00 0.00 2108.00
1980 0.00 0.00 0.00 114.50 231.50 300.50 512.50 410.00 229.00 63.00 5.00 3.10 a 1869.10
1981 0.00 0.00 2.00 48.00 171.00 219.00 486.50 629.00 289.50 16.00 0.00 0.00 1861.00
1982 0.00 0.00 0.00 13.50 164.00 504.50 516.00 565.50 269.00 25.00 0.00 0.00 2057.50
1983 0.00 0.00 1.50 42.50 208.00 328.50 410.00 583.00 164.50 14.50 0.00 0.00 1752.50
1984 0.00 0.00 0.00 27.00 79.50 269.50 532.50 509.50 159.00 54.00 0.00 0.00 1631.00
1985 0.00 0.00 0.00 55.00 232.00 340.50 689.00 413.00 117.50 16.50 0.00 b 0.00 1863.50
1986 0.00 0.00 1.50 17.50 247.50 508.00 458.50 685.50 151.50 43.00 0.00 b 0.00 2113.00
1987 0.00 0.00 1.00 100.00 241.50 0.00 z 538.50 479.00 336.00 52.50 2.50 0.00 1751.00
1988 0.00 0.00 0.00 78.00 189.50 345.00 546.00 537.00 235.00 142.00 0.00 0.00 2072.50
1989 0.00 0.00 0.00 53.00 152.93 a 449.00 560.50 471.50 272.50 16.00 11.00 0.00 1986.43
1990 0.00 0.00 5.00 66.50 140.00 332.00 669.00 588.50 428.50 7.50 5.00 0.00 2242.00
1991 0.00 0.00 0.00 38.00 139.00 276.50 531.00 613.00 346.00 67.00 0.00 0.00 2010.50
1992 0.00 0.00 12.00 87.50 316.00 561.00 565.00 584.50 204.00 76.00 0.00 0.00 2406.00
1993 0.00 0.00 0.00 4.00 358.00 359.50 341.00 464.00 241.50 77.00 0.00 0.00 1845.00
1994 0.00 0.00 0.50 83.50 242.50 373.00 709.00 580.00 357.50 31.00 0.00 0.00 2377.00
1995 0.00 0.00 0.00 30.54 b 249.00 362.50 571.00 427.50 342.50 15.00 0.00 0.00 1998.04
1996 0.00 0.00 0.00 43.00 103.50 343.00 604.50 509.00 210.00 78.50 0.00 0.00 1891.50
1997 0.00 a 0.00 0.00 10.50 239.22 a 345.00 a 535.50 636.50 331.00 34.50 1.00 0.00 2133.22
1998 0.00 0.00 1.00 69.50 258.00 377.00 730.50 627.75 a 440.50 29.00 0.00 0.00 2533.25
1999 0.00 a 0.00 3.00 25.34 a 137.50 348.00 464.50 628.50 204.64 b 16.00 8.50 0.00 b 1835.99
2000 0.00 o 0.00 z 0.00 d 75.00 b 201.50 363.75 b 544.10 b 484.00 240.50 26.00 0.00 f 0.00 1934.85
2001 0.00 0.00 0.00 42.50 265.50 309.50 580.50 629.00 348.50 18.00 0.00 0.00 n 2193.50
2002 0.00 o 0.00 0.50 48.50 161.00 443.50 666.50 546.50 256.50 29.00 0.00 n 0.00 p 2152.00
2003 0.00 0.00 14.50 48.00 207.50 459.00 667.50 663.50 347.50 123.00 0.00 0.00 2530.50
2004 0.00 0.00 z 6.50 75.50 174.50 0.00 z 643.00 582.50 213.50 52.38 b 0.00 d 0.00 1747.88
2005 0.00 z 0.00 0.00 z 51.50 181.00 192.00 n 468.00 g 536.00 257.50 27.00 0.00 b 0.00 1053.00
2006 0.00 0.00 0.00 41.00 210.50 383.00 660.50 516.50 252.50 24.50 6.50 0.00 2095.00
2007 0.00 0.00 1.50 34.00 176.50 329.50 732.00 464.50 241.00 20.50 0.00 0.00 e 1999.50
2008 0.00 0.00 0.00 17.00 183.00 260.36 b 404.00 g 481.50 192.50 36.50 4.50 h 0.00 c 1170.86
2009 0.00 a 0.00 0.00 24.00 156.00 335.50 568.85 a 522.00 283.00 3.50 0.00 0.00 1892.85
2010 0.00 0.00 0.00 46.50 80.50 238.00 448.50 443.50 228.50 76.50 0.00 0.00 1562.00
2011 0.00 0.00 0.00 1.50 135.50 256.50 384.00 478.00 271.03 a 46.00 0.00 0.00 1572.53
2012 0.00 0.00 0.00 86.00 155.50 267.50 594.50 517.18 a 255.56 c 35.50 5.50 0.00 1917.24
2013 0.00 0.00 g 0.00 j 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
Period of Record Statistics
MEAN 0.00 0.05 1.17 40.95 176.97 332.45 523.58 486.30 236.87 36.95 0.71 0.04 1827.87
S.D. 0.00 0.37 2.67 28.68 65.19 75.04 81.22 82.73 78.18 26.34 2.02 0.34 260.08
SKEW 0.00 7.13 3.20 0.85 0.52 0.70 0.54 0.32 0.37 1.32 3.20 8.69 0.68
MAX 0.00 3.00 14.50 130.50 358.00 561.00 732.00 685.50 440.50 142.00 11.00 3.10 2533.25
MIN 0.00 0.00 0.00 0.00 73.00 197.50 341.00 321.00 91.50 0.00 0.00 0.00 1363.00
NO YRS 84 83 85 84 84 84 83 87 84 87 82 84 69