SNAKE RIVER, WYOMING

Monthly Total Growing Degree Days

(488315)

Base Temperature = 40 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
1905 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 122.00 t 508.00 536.54 e 198.50 h 58.50 f 0.00 0.00 b 1044.54
1906 0.00 a 0.00 a 7.00 34.14 a 85.50 223.50 369.00 h 445.76 b 100.50 q 93.55 c 0.52 a 0.00 889.97
1907 0.00 f 0.00 p 0.00 j 0.00 z 0.00 z 0.00 z 145.00 w 456.22 a 133.00 i 86.69 d 0.00 r 0.00 z 542.90
1908 0.00 3.50 0.00 0.00 z 43.50 n 184.50 545.17 b 454.00 279.00 0.50 z 13.00 0.00 1479.17
1909 0.00 0.00 0.00 0.00 37.50 229.50 m 530.50 550.00 244.00 39.50 0.00 a 0.00 1401.50
1910 0.00 0.00 2.00 49.00 126.00 374.50 604.50 407.50 281.00 78.00 1.00 0.00 1923.50
1911 0.00 0.00 11.50 26.50 85.00 402.50 480.50 430.50 223.00 23.50 0.00 0.00 1683.00
1912 0.00 0.00 0.00 0.00 53.50 337.00 530.00 453.00 137.00 14.50 2.50 0.00 1527.50
1913 0.00 0.00 1.00 11.00 124.50 331.00 360.50 505.50 320.00 29.97 a 0.00 0.00 1683.47
1914 0.00 0.00 0.00 16.00 147.00 279.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 442.50
1915 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 728.00 858.50 359.48 a 124.00 a 20.50 k 0.00 z 2069.98
1916 0.00 z 0.00 z 3.50 26.00 i 0.00 z 0.00 z 0.00 z 690.50 0.00 z 0.00 v 3.75 b 0.00 p 697.75
1917 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 447.00 i 453.50 211.03 a 50.78 b 0.50 0.00 715.81
1918 0.00 0.00 0.00 0.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50
1919 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 219.00 o 3.50 f 0.00 c 0.00 d 0.00
1920 0.00 c 0.00 e 0.00 0.00 n 37.00 h 240.50 546.00 493.13 d 207.41 a 41.69 b 0.00 c 0.00 a 1528.73
1921 0.00 m 0.00 0.00 d 0.00 e 81.50 h 388.00 499.50 456.98 b 117.41 a 52.91 b 0.00 i 0.00 1514.81
1922 0.00 e 0.00 l 0.00 j 0.00 e 28.00 j 386.40 e 484.50 531.43 c 189.00 f 46.50 e 0.00 h 0.00 i 1448.83
1923 0.00 i 0.00 l 0.00 e 0.00 i 69.50 f 182.50 g 583.12 b 371.50 246.50 17.00 0.00 b 0.00 l 1218.12
1924 0.00 h 0.00 k 0.00 c 6.00 f 94.00 l 324.44 c 505.30 a 410.15 e 201.00 14.95 c 0.00 d 0.00 h 1455.84
1925 0.00 j 0.00 n 0.00 o 6.50 f 117.50 h 212.50 k 462.33 b 0.00 z 184.14 a 0.00 l 0.00 z 0.00 b 646.47
1926 0.00 n 0.00 n 0.00 e 32.50 m 139.50 k 367.00 573.50 508.00 123.10 a 52.59 c 0.00 0.00 l 1624.19
1927 0.00 i 0.00 m 0.00 k 10.50 r 39.00 i 0.00 z 533.20 a 382.00 216.96 b 20.50 m 0.50 o 0.00 u 1132.16
1928 0.00 v 0.00 m 2.50 j 0.00 n 78.50 r 31.50 w 304.50 l 436.50 254.00 40.50 x 0.00 y 0.00 e 690.50
1929 0.00 k 0.00 q 0.00 k 3.50 j 22.50 o 182.00 k 366.50 l 578.09 d 0.00 z 66.59 d 0.00 a 0.00 a 644.69
1930 0.00 0.00 0.00 30.00 112.00 318.62 a 577.24 b 551.28 a 214.00 44.95 a 0.00 0.00 b 1848.10
1931 0.00 0.00 d 0.00 a 3.62 a 145.70 a 432.50 634.00 510.50 229.66 a 31.00 0.56 c 0.00 w 1987.53
1932 0.00 i 0.00 m 0.00 s 0.00 g 93.50 f 331.03 a 502.00 467.50 220.00 5.50 i 0.50 0.00 1521.03
1933 0.00 0.00 0.00 1.00 70.00 421.50 628.00 505.50 241.50 62.55 c 0.00 0.00 d 1930.05
1934 0.00 b 0.00 c 0.00 d 82.20 e 315.00 333.50 618.93 b 572.50 197.00 90.00 0.00 b 0.00 2209.13
1935 0.00 k 0.00 0.00 0.50 75.00 284.00 592.10 a 462.50 232.50 42.88 a 0.00 a 0.00 a 1689.48
1936 0.00 0.00 0.00 a 12.00 183.50 408.00 721.00 550.50 247.50 79.00 0.00 0.00 2201.50
1937 0.00 0.00 0.00 2.50 140.50 385.50 622.00 527.50 336.00 41.00 0.00 0.00 2055.00
1938 0.00 0.00 0.00 u 18.62 a 94.03 a 381.00 542.00 482.50 352.76 a 0.00 z 0.00 e 0.00 h 1870.91
1939 0.00 d 0.00 z 0.00 z 24.50 156.50 0.00 z 560.00 505.41 c 268.00 12.92 a 0.00 0.00 1527.33
1940 0.00 0.00 e 0.00 4.50 f 197.50 415.00 579.50 573.00 356.00 60.89 c 0.00 0.00 2181.89
1941 0.00 z 0.00 a 0.00 9.00 169.50 353.00 581.50 514.00 105.50 20.00 7.50 0.00 1760.00
1942 0.00 a 0.00 0.00 8.00 81.00 0.00 z 0.00 z 0.00 z 331.03 a 0.00 z 0.00 z 0.00 z 420.03
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 548.00 515.93 c 306.00 122.40 b 0.00 0.00 b 1492.33
1944 0.00 a 0.00 d 0.00 a 5.69 a 150.50 263.50 492.00 438.00 237.00 58.50 0.00 0.00 1645.19
1945 0.00 a 0.00 0.00 1.00 70.00 199.00 530.50 516.50 176.00 78.00 1.50 0.00 1572.50
1946 0.00 0.00 0.00 27.00 62.50 345.00 615.50 522.00 193.50 10.50 0.00 0.00 b 1776.00
1947 0.00 0.00 0.00 4.00 136.50 245.50 573.00 453.00 253.97 a 89.00 0.00 0.00 1754.97
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 496.00 257.00 56.50 0.00 0.00 f 809.50
1949 0.00 f 0.00 d 0.00 g 13.39 b 165.33 a 317.00 548.50 329.50 n 285.00 17.50 f 0.00 0.00 1329.23
1950 0.00 h 0.00 l 0.00 g 0.50 43.73 c 280.00 c 471.00 519.00 263.79 a 65.21 b 0.00 b 0.00 1643.23
1951 0.00 0.00 0.00 o 4.50 p 135.50 h 198.50 561.10 a 476.00 204.11 b 51.00 0.00 0.00 1490.71
1952 0.00 0.00 0.00 a 20.00 132.27 a 344.00 508.50 515.50 315.00 b 57.50 0.00 a 0.00 1892.77
1953 0.00 m 0.00 a 0.00 4.50 56.00 313.00 629.00 522.50 280.50 102.30 a 2.50 0.00 1910.30
1954 0.00 0.00 0.00 8.00 182.00 260.50 616.50 455.00 252.86 b 22.50 1.50 0.00 1798.86
1955 0.00 0.00 0.00 1.50 74.92 a 278.00 568.85 a 571.00 258.00 63.50 0.00 0.00 1815.77
1956 0.00 0.00 1.00 2.00 179.00 354.83 a 572.50 462.00 244.00 71.00 0.00 0.00 1886.33
1957 0.00 0.00 0.00 0.50 130.50 305.17 a 548.50 518.50 233.00 41.00 0.00 q 0.00 z 1777.17
1958 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
1959 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
1960 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
1961 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
1962 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
1963 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
1964 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
1965 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
1966 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
1967 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
1968 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
1969 0.00 0.00 0.00 37.00 192.00 314.00 537.50 565.00 308.50 16.50 0.00 0.00 1970.50
1970 0.00 0.00 0.00 0.00 i 109.00 228.00 i 594.00 586.00 156.50 30.50 0.00 0.00 1476.00
1971 0.00 0.00 0.00 0.00 l 105.00 299.00 551.50 687.50 173.00 62.50 0.00 0.00 1878.50
1972 0.00 0.00 3.00 3.00 121.00 361.50 507.50 570.50 187.50 70.50 0.00 0.00 1824.50
1973 0.00 0.00 0.00 0.00 g 120.00 347.00 565.00 539.50 0.00 z 50.00 0.50 f 0.00 1621.50
1974 2.50 0.00 c 0.00 e 4.44 c 42.50 k 397.00 625.50 464.50 199.50 48.50 0.00 0.00 1741.94
1975 0.00 0.00 a 0.00 0.00 d 30.00 233.00 609.00 354.50 170.50 24.28 a 0.00 0.00 1421.28
1976 0.00 0.00 0.00 0.00 c 98.74 d 250.80 e 560.00 294.50 g 240.00 26.23 e 0.00 c 0.00 1175.77
1977 0.00 0.00 0.00 50.40 e 80.00 h 461.50 543.50 470.00 148.39 b 12.50 0.00 c 0.00 a 1686.29
1978 0.00 0.00 0.50 7.00 59.86 b 307.50 552.63 e 398.00 208.93 b 5.88 b 0.00 0.00 a 1540.30
1979 0.00 0.00 0.00 2.50 106.36 b 255.00 f 558.00 a 503.75 a 302.50 51.50 h 0.00 0.00 1473.11
1980 0.00 0.00 0.00 34.50 120.90 a 310.00 523.50 396.50 208.39 b 56.50 2.00 0.00 1652.29
1981 0.00 0.00 0.00 38.79 a 114.00 287.50 492.00 566.00 290.50 3.00 0.00 0.00 1791.79
1982 0.00 0.00 0.00 0.00 49.00 294.00 496.50 549.65 e 133.00 j 19.00 0.00 a 0.00 c 1408.15
1983 0.00 0.00 0.00 2.59 a 72.00 217.00 500.50 581.50 186.50 24.50 4.00 0.00 1588.59
1984 0.00 0.00 0.00 0.00 z 88.50 236.50 549.50 528.50 154.82 b 38.00 0.00 c 0.00 1595.82
1985 0.00 0.00 0.00 20.00 166.00 361.50 607.50 387.50 0.00 z 0.00 z 0.00 z 0.00 z 1542.50
1986 0.00 0.00 0.00 8.28 a 115.00 443.00 421.60 a 492.68 c 131.50 0.00 z 0.00 0.00 1612.05
1987 0.00 0.00 0.00 z 66.00 219.07 a 368.50 467.00 388.00 253.50 27.50 4.00 0.00 1793.57
1988 0.00 a 0.00 0.00 22.00 158.50 475.00 558.00 a 422.12 a 152.00 65.50 0.00 0.00 1853.12
1989 0.00 0.00 1.50 8.50 95.50 312.50 598.00 432.50 180.00 29.00 0.00 0.00 1657.50
1990 0.00 0.00 0.00 23.50 79.50 328.00 569.00 501.00 373.00 38.00 0.00 0.00 1912.00
1991 0.00 0.00 0.00 1.00 70.50 326.00 517.50 551.50 217.50 42.50 0.00 0.00 1726.50
1992 0.00 0.00 0.00 45.50 233.50 342.00 401.50 460.50 143.50 50.50 0.00 0.00 1677.00
1993 0.00 0.00 0.00 0.00 166.50 253.00 274.50 372.50 162.50 43.00 0.00 0.00 1272.00
1994 0.00 0.00 0.00 31.50 180.50 336.50 536.00 521.50 241.00 13.50 0.00 0.00 1860.50
1995 0.00 0.00 0.00 2.00 43.50 246.50 439.50 407.00 201.50 5.50 0.00 0.50 1346.00
1996 0.00 0.00 0.00 2.00 43.50 332.68 b 593.50 481.00 179.00 88.50 0.00 0.00 1720.18
1997 0.00 0.00 0.00 1.50 103.50 392.50 475.00 501.50 0.00 z 34.00 0.00 0.00 1508.00
1998 0.00 0.00 0.00 8.50 130.00 169.50 557.00 377.00 383.00 41.50 0.00 0.00 a 1666.50
1999 0.00 0.00 0.00 10.50 93.00 265.50 480.00 529.00 166.00 39.00 2.00 0.00 1585.00
2000 0.00 0.00 0.00 32.50 156.55 a 302.50 565.00 531.50 202.50 14.00 0.00 f 0.00 c 1804.55
2001 0.00 0.00 0.00 15.00 d 188.50 346.50 599.50 574.50 295.00 42.37 a 0.00 e 0.00 a 2061.37
2002 0.00 0.00 0.00 11.00 114.50 368.00 657.00 425.22 a 214.50 2.00 0.00 0.00 1792.22
2003 0.00 0.00 z 0.00 z 5.50 m 162.00 312.00 662.50 599.00 206.00 105.40 a 0.00 0.00 c 2046.90
2004 0.00 0.00 2.00 23.50 101.50 316.00 521.50 430.50 200.00 49.00 0.00 0.00 a 1644.00
2005 0.00 0.00 0.00 d 5.50 q 111.00 262.00 556.00 478.50 180.00 45.50 2.40 e 0.00 1635.40
2006 0.00 0.00 0.00 a 12.00 e 152.50 379.00 648.00 446.00 238.80 e 31.50 3.50 k 0.00 g 1907.80
2007 0.00 0.00 10.00 h 21.00 t 148.69 d 355.00 760.10 e 539.50 257.00 13.00 1.50 i 0.00 e 2073.28
2008 0.00 0.00 0.00 h 0.00 z 62.50 254.50 549.00 485.50 188.50 46.50 0.00 z 0.00 j 1586.50
2009 0.00 a 0.00 0.00 e 1.00 m 123.47 b 267.50 496.00 429.50 341.00 9.50 0.50 0.00 i 1667.47
2010 0.00 a 0.00 0.00 f 17.50 n 32.50 g 261.00 489.50 465.00 212.00 89.50 0.00 o 0.00 i 1517.00
2011 0.00 0.00 0.00 c 0.00 t 22.00 j 206.90 a 485.50 499.74 b 262.50 63.55 a 0.00 0.00 1518.19
2012 0.00 0.00 2.00 59.00 103.00 307.00 627.50 515.50 238.00 17.50 0.00 0.00 1869.50
2013 0.00 0.00 1.00 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 1.00
Period of Record Statistics
MEAN 0.03 0.04 0.48 15.17 119.59 318.12 549.94 495.77 231.57 46.20 0.64 0.01 1759.90
S.D. 0.29 0.40 1.66 18.10 52.42 66.04 73.41 75.91 62.04 28.06 1.87 0.06 204.00
SKEW 8.54 8.66 4.99 1.58 0.78 0.00 -0.33 1.29 0.39 0.65 4.60 8.60 -0.04
MAX 2.50 3.50 11.50 82.20 315.00 475.00 760.10 858.50 383.00 124.00 13.00 0.50 2209.13
MIN 0.00 0.00 0.00 0.00 30.00 169.50 274.50 354.50 105.50 2.00 0.00 0.00 1272.00
NO YRS 76 78 75 66 71 78 86 90 84 81 79 77 39