GREEN RIVER, WYOMING

Monthly Total Growing Degree Days

(484065)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1897 0.00 z 0.00 z 0.00 z 25.00 256.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.50 0.00 288.00
1898 0.00 z 0.00 16.50 0.00 z 0.00 z 370.00 c 563.17 a 563.50 0.00 z 0.00 0.00 z 0.00 z 1513.17
1899 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
1900 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
1901 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
1902 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
1903 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
1904 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 e 0.00
1905 0.00 0.00 a 0.00 12.00 73.22 b 323.50 558.00 539.50 227.68 b 21.50 0.00 0.00 1755.40
1906 0.00 0.00 0.00 17.50 114.50 271.00 531.50 461.50 202.00 32.50 h 4.00 0.00 1602.00
1907 0.00 0.00 6.00 11.00 67.00 155.69 a 519.00 398.00 189.50 23.00 0.00 0.00 1369.19
1908 0.00 0.00 a 0.00 10.50 32.00 152.00 485.00 411.50 183.50 15.00 0.00 0.00 1289.50
1909 0.00 0.00 0.00 0.50 43.52 e 340.00 579.50 600.50 204.50 26.00 0.00 z 0.00 1794.52
1910 0.00 0.00 12.00 63.50 0.00 z 463.00 659.00 528.00 230.50 42.00 0.00 0.00 1998.00
1911 0.00 0.00 0.00 0.00 121.00 359.00 0.00 z 450.50 157.50 7.50 0.00 z 0.00 z 1095.50
1912 0.00 z 0.00 0.00 0.00 64.50 313.00 498.00 485.50 73.00 6.00 0.00 0.00 1440.00
1913 0.00 0.00 0.00 30.50 194.50 336.43 b 460.50 558.00 0.00 z 1.00 h 0.00 0.00 1579.93
1914 0.00 0.00 0.00 7.50 211.00 327.50 548.00 516.50 244.00 39.00 0.00 0.00 1893.50
1915 0.00 a 0.00 0.00 65.17 a 98.50 225.50 568.00 554.50 164.50 16.53 a 1.00 0.00 1693.71
1916 0.00 0.00 1.50 25.50 63.00 302.50 583.00 469.00 202.50 b 9.50 0.00 0.00 1656.50
1917 0.00 0.00 0.00 0.50 34.50 290.50 542.00 f 231.00 p 262.80 e 49.00 0.00 b 0.00 637.30
1918 0.00 0.00 2.00 3.00 i 65.50 g 402.00 e 595.09 c 382.50 g 269.00 60.00 1.00 0.00 1329.09
1919 0.00 0.00 0.00 34.00 206.50 464.50 720.00 534.48 b 317.50 0.00 0.00 d 0.00 2276.98
1920 0.00 0.00 a 0.00 0.00 105.00 329.00 0.00 z 0.00 z 206.50 39.50 0.00 0.00 680.00
1921 0.00 a 0.00 2.00 3.50 177.50 418.50 249.50 q 300.00 k 124.50 97.59 d 0.00 0.00 823.59
1922 0.00 0.00 0.00 1.50 156.03 a 432.00 562.50 592.50 292.50 39.00 0.00 0.00 2076.03
1923 0.00 0.00 a 0.00 a 7.50 138.00 408.62 a 664.00 548.18 a 245.00 6.00 0.00 a 0.00 2017.30
1924 0.00 0.00 0.00 7.50 151.00 382.50 579.00 514.00 228.50 11.50 0.00 0.00 1874.00
1925 0.00 0.00 0.00 33.00 214.50 322.50 656.00 536.00 235.00 18.00 0.00 0.00 2015.00
1926 0.00 0.00 0.00 53.00 195.00 407.50 581.00 540.50 168.50 34.00 0.00 0.00 1979.50
1927 0.00 0.00 0.00 33.00 106.00 401.00 589.00 504.00 219.00 6.50 0.00 0.00 1858.50
1928 0.00 0.00 0.00 20.00 207.00 237.00 572.50 448.50 240.00 28.42 a 0.00 0.00 1753.42
1929 0.00 0.00 0.00 2.50 101.50 326.00 640.00 615.00 183.00 22.00 0.00 0.00 1890.00
1930 0.00 0.00 0.00 64.00 141.50 346.00 658.50 563.50 278.00 22.00 0.00 0.00 2073.50
1931 0.00 a 0.00 0.00 23.00 148.50 477.00 694.50 573.00 292.00 56.00 1.50 0.00 2265.50
1932 0.00 a 0.00 0.00 13.50 138.00 341.50 580.00 545.50 261.00 35.00 0.00 0.00 1914.50
1933 0.00 0.00 0.00 5.50 73.00 535.00 696.50 491.00 266.50 44.50 0.00 0.00 2112.00
1934 0.00 a 0.00 3.00 102.00 356.50 364.00 632.50 588.48 a 188.50 41.00 0.00 0.00 2275.98
1935 0.00 0.00 0.00 5.00 61.50 380.50 670.00 589.00 297.50 79.00 0.00 0.00 2082.50
1936 0.00 0.00 0.00 45.50 269.50 497.00 706.00 631.00 225.50 41.50 0.00 0.00 2416.00
1937 0.00 0.00 0.00 12.00 203.57 a 361.00 679.00 636.00 348.00 35.00 0.00 0.00 2274.57
1938 0.00 0.00 0.00 39.50 130.00 444.00 547.50 532.50 331.55 a 72.85 a 0.00 0.00 2097.90
1939 0.00 0.00 2.00 58.00 197.00 295.00 619.50 526.50 241.50 4.50 0.00 0.00 1944.00
1940 0.00 0.00 0.00 21.21 a 237.00 447.50 634.00 567.00 290.17 a 39.00 0.00 0.00 2235.88
1941 0.00 0.00 0.00 14.50 202.50 322.00 558.50 503.50 145.50 7.50 0.00 a 0.00 1754.00
1942 0.00 0.00 0.00 29.50 111.00 294.50 616.00 524.00 239.00 40.30 a 5.69 a 0.00 1859.99
1943 0.00 0.00 12.00 68.00 136.00 308.00 595.00 556.50 314.00 87.00 0.00 0.00 2076.50
1944 0.00 0.00 0.00 4.50 183.00 263.50 556.50 496.50 225.00 46.50 0.00 0.00 1775.50
1945 0.00 0.00 0.00 14.50 162.00 206.00 564.00 540.50 218.50 85.00 2.07 a 0.00 1792.57
1946 0.00 0.00 8.50 77.50 84.22 a 390.50 624.50 538.00 240.50 11.00 0.00 0.00 1974.72
1947 0.00 a 0.00 0.00 16.50 201.50 217.50 607.50 475.00 272.50 108.50 a 0.00 0.00 1899.00
1948 0.00 0.00 0.00 28.00 210.50 371.00 565.50 523.12 c 332.00 55.00 0.00 c 0.00 2085.12
1949 0.00 0.00 0.00 69.00 96.00 g 366.00 e 574.00 512.00 257.00 3.50 0.00 0.00 1781.50
1950 0.00 0.00 0.00 5.50 55.00 285.50 362.00 g 159.50 t 197.07 a 29.00 r 0.00 z 0.00 543.07
1951 0.00 0.00 0.00 11.50 169.00 266.50 558.00 494.50 237.00 17.00 0.00 0.00 1753.50
1952 0.00 0.00 0.00 44.50 141.50 293.50 g 553.50 548.50 306.50 41.00 0.00 0.00 1635.50
1953 0.00 0.00 0.00 17.50 70.00 389.00 678.50 558.50 311.00 86.00 0.00 0.00 2110.50
1954 0.00 0.00 0.00 35.00 249.55 a 351.00 711.34 c 489.00 263.00 36.00 0.00 0.00 2134.89
1955 0.00 0.00 0.00 14.00 129.00 322.50 598.00 598.00 247.00 23.50 0.00 0.00 1932.00
1956 0.00 0.00 0.00 2.50 200.00 406.00 557.50 295.50 i 231.00 66.50 0.00 d 0.00 d 1463.50
1957 0.00 0.00 0.00 4.50 110.00 369.64 b 560.00 557.00 170.50 34.00 0.00 0.00 a 1805.64
1958 0.00 z 0.00 0.00 0.00 232.00 400.50 519.50 296.50 n 250.00 41.50 3.00 0.00 1446.50
1959 0.00 0.00 0.00 21.50 72.50 435.00 591.50 471.50 212.00 15.00 0.00 0.00 1819.00
1960 0.00 0.00 1.00 30.50 95.00 373.50 622.00 461.00 242.00 39.00 0.00 0.00 1864.00
1961 0.00 0.00 0.00 6.00 163.50 467.00 582.00 553.00 122.50 14.50 0.00 0.00 1908.50
1962 0.00 0.00 c 0.00 47.00 109.50 327.00 508.00 440.00 213.10 a 39.00 0.00 0.00 1683.60
1963 0.00 0.00 0.00 7.00 154.50 284.00 565.00 563.00 282.00 90.00 0.00 0.00 1945.50
1964 0.00 0.00 0.00 1.00 146.50 232.50 620.50 445.00 165.50 12.40 a 0.00 0.00 1623.40
1965 0.00 0.00 0.00 14.50 85.50 264.00 539.50 409.00 100.00 35.50 0.00 0.00 1448.00
1966 0.00 0.00 0.00 9.50 167.50 289.00 642.00 488.00 285.00 5.00 0.00 a 0.00 1886.00
1967 0.00 0.00 0.00 1.00 81.50 230.00 560.50 516.00 245.00 33.50 0.00 0.00 1667.50
1968 0.00 0.00 0.00 0.00 51.00 292.50 525.50 346.00 139.00 11.50 0.00 0.00 1365.50
1969 0.00 0.00 a 0.00 15.50 159.13 a 170.00 537.50 578.50 245.50 13.00 0.00 0.00 1719.13
1970 0.00 0.00 0.00 0.00 119.00 297.00 509.00 525.00 93.00 g 0.00 j 0.00 0.00 a 1450.00
1971 0.00 0.00 0.00 2.50 72.00 209.00 p 537.00 282.00 o 172.80 e 22.50 0.00 0.00 806.80
1972 0.00 0.00 0.00 0.50 116.50 345.00 499.00 519.00 167.00 34.50 0.00 z 0.00 1681.50
1973 0.00 0.00 0.00 1.50 107.00 317.50 489.50 498.00 155.00 30.00 0.00 0.00 1598.50
1974 0.00 0.00 0.00 25.00 138.50 507.50 589.00 498.00 219.11 b 25.00 0.00 0.00 2002.11
1975 0.00 0.00 0.00 0.50 111.00 187.00 578.50 341.50 153.00 22.00 0.00 0.00 1393.50
1976 0.00 0.00 c 0.00 k 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 o 0.00
1977 0.00 0.00 0.00 51.50 0.00 z 481.00 534.50 413.00 182.00 3.50 0.00 c 0.00 1665.50
1978 0.00 0.00 1.50 6.50 64.50 300.50 515.00 422.00 194.00 11.00 0.00 a 0.00 1515.00
1979 0.00 0.00 0.00 14.50 136.00 285.50 535.50 474.00 252.00 52.00 0.00 a 0.00 1749.50
1980 0.00 0.00 0.00 33.50 65.00 281.50 512.00 377.50 150.50 35.00 0.00 0.00 1455.00
1981 0.00 0.00 0.00 35.00 92.50 315.50 452.50 446.50 211.50 2.50 0.00 b 0.00 1556.00
1982 0.00 0.00 0.00 0.00 71.50 239.00 455.50 548.00 151.50 2.50 0.00 0.00 1468.00
1983 0.00 0.00 0.00 1.50 87.00 255.00 0.00 z 0.00 z 227.00 22.00 0.00 0.00 592.50
1984 0.00 0.00 0.00 7.50 146.50 250.50 555.00 484.50 186.00 11.37 a 0.00 0.00 1641.37
1985 0.00 0.00 0.00 36.00 155.00 331.00 579.50 396.00 126.00 0.00 0.00 0.00 1623.50
1986 0.00 0.00 3.50 8.50 100.00 422.00 235.50 o 500.00 108.10 a 7.50 0.00 0.00 1149.60
1987 0.00 0.00 0.00 57.50 166.50 366.50 482.00 385.00 186.50 22.00 0.00 0.00 a 1666.00
1988 0.00 0.00 0.00 12.50 149.50 470.50 593.00 426.50 124.00 13.00 0.00 0.00 1789.00
1989 0.00 0.00 1.50 42.00 112.00 277.50 632.50 405.50 172.00 34.00 0.00 0.00 1677.00
1990 0.00 0.00 0.00 16.00 76.00 342.50 592.00 463.50 319.00 23.00 0.00 0.00 1832.00
1991 0.00 0.00 0.00 7.50 88.50 325.50 504.50 490.50 191.00 44.00 0.00 0.00 1651.50
1992 0.00 0.00 0.00 40.00 203.00 339.00 450.00 511.00 161.00 24.00 0.00 0.00 1728.00
1993 0.00 0.00 0.00 2.50 190.50 213.00 326.00 393.00 163.00 33.00 0.00 0.00 1321.00
1994 0.00 0.00 0.00 54.00 195.00 391.00 581.50 567.00 235.50 5.50 0.00 0.00 2029.50
1995 0.00 0.00 0.00 4.50 20.50 254.00 472.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 751.50
1996 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
1997 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
1998 0.00 z 0.00 4.00 10.50 109.00 212.50 693.50 575.50 388.50 39.00 0.00 0.00 2032.50
1999 0.00 h 0.00 0.00 7.50 7.00 j 300.00 394.00 k 418.50 h 170.40 e 4.50 s 0.00 m 0.00 h 477.90
2000 0.00 j 0.00 0.00 44.44 c 202.00 i 213.00 m 367.00 l 368.50 m 157.00 m 27.00 g 0.00 b 0.00 f 44.44
2001 0.00 i 0.00 j 0.00 d 26.11 c 113.50 j 357.00 e 472.50 j 340.50 n 342.00 e 38.50 m 0.00 p 0.00 e 725.11
2002 0.00 j 0.00 0.00 p 3.00 u 148.00 139.00 n 0.00 z 343.50 k 180.00 j 0.00 t 0.00 0.00 l 148.00
2003 0.00 0.00 2.00 4.00 p 148.50 m 220.50 k 406.50 m 408.50 k 146.00 l 75.00 h 0.00 l 0.00 v 2.00
2004 0.00 0.00 k 1.50 s 18.50 f 59.50 l 340.00 567.50 270.50 k 187.00 g 5.50 p 0.00 j 0.00 o 907.50
2005 0.00 n 0.00 n 0.00 m 3.50 n 94.00 v 147.50 p 82.50 z 538.33 e 63.00 j 0.00 z 0.00 r 0.00 p 538.33
2006 0.00 n 0.00 h 0.00 g 0.00 z 28.00 v 361.00 f 237.50 v 411.00 f 177.50 0.00 k 2.00 s 0.00 k 177.50
2007 0.00 l 0.00 i 0.00 x 0.00 l 203.88 e 206.50 s 321.50 r 606.50 218.00 f 29.00 h 0.50 i 0.00 u 810.38
2008 0.00 j 0.00 g 0.00 n 13.50 l 89.50 n 170.50 l 154.50 x 443.00 h 133.00 k 28.00 14.50 h 0.00 v 28.00
2009 0.00 k 0.00 m 0.00 z 26.50 102.50 u 184.00 l 320.00 o 388.00 g 263.00 l 12.00 k 0.50 0.00 27.00
2010 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 622.50 563.50 313.50 103.50 0.50 0.00 1603.50
2011 0.00 0.00 0.00 0.00 38.00 299.00 623.00 632.00 337.00 76.50 0.00 0.00 2005.50
2012 0.00 0.00 9.00 76.00 163.78 a 467.50 715.00 687.50 342.50 52.18 a 0.00 0.00 2513.47
2013 0.00 b 0.00 0.00 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 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.89 21.82 135.51 335.94 576.61 511.35 224.24 32.58 0.28 0.00 1845.58
S.D. 0.00 0.00 2.73 22.16 62.00 82.09 69.62 68.93 63.94 25.32 1.05 0.00 264.68
SKEW 0.00 0.00 3.85 1.23 0.56 0.10 -0.26 -0.28 0.17 1.09 4.51 0.00 0.06
MAX 0.00 0.00 16.50 102.00 356.50 535.00 720.00 687.50 388.50 108.50 6.50 0.00 2513.47
MIN 0.00 0.00 0.00 0.00 20.50 152.00 326.00 341.50 73.00 0.00 0.00 0.00 1289.50
NO YRS 95 101 99 97 92 95 89 87 94 91 93 96 70