ROCK SPRINGS FAA AP, WYOMING

Monthly Total Growing Degree Days

(487845)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 543.50 328.00 43.00 0.00 0.00 914.50
1949 0.00 0.00 0.00 40.00 104.00 283.00 553.50 521.00 242.00 9.50 0.00 0.00 1753.00
1950 0.00 0.00 0.00 12.00 62.52 a 279.00 449.00 449.50 184.50 78.50 0.00 0.00 1515.02
1951 0.00 0.00 0.00 0.00 95.07 a 183.50 553.00 451.50 195.00 13.00 0.00 0.00 1491.07
1952 0.00 0.00 0.00 27.00 123.50 366.00 539.50 514.50 311.00 55.00 0.00 0.00 1936.50
1953 0.00 0.00 0.50 22.00 40.50 368.50 661.00 508.00 301.50 53.50 0.00 0.00 1955.50
1954 0.00 0.00 0.00 24.00 180.00 312.00 652.50 509.50 278.79 a 59.50 0.00 0.00 2016.29
1955 0.00 0.00 0.00 10.00 110.00 261.50 595.00 585.50 280.00 54.50 0.00 0.00 1896.50
1956 0.00 0.00 1.00 0.50 182.50 448.00 559.50 464.00 294.00 63.50 0.00 0.00 2013.00
1957 0.00 0.00 0.00 0.00 a 62.50 298.50 550.50 507.50 201.50 28.00 0.00 a 0.00 1648.50
1958 0.00 0.00 0.00 1.50 216.50 368.00 478.50 591.00 256.50 71.00 0.00 0.00 1983.00
1959 0.00 0.00 0.00 21.50 31.50 406.00 585.50 482.00 222.00 16.50 0.00 0.00 1765.00
1960 0.00 0.00 0.00 29.50 102.00 367.50 629.00 472.50 283.00 46.50 0.00 0.00 1930.00
1961 0.00 0.00 0.00 10.00 126.00 422.50 541.50 488.50 72.50 14.50 0.00 0.00 1675.50
1962 0.00 0.00 0.00 40.50 84.00 275.00 470.00 442.50 234.00 43.50 0.00 0.00 1589.50
1963 0.00 0.00 0.00 3.00 103.00 248.00 547.00 494.00 278.00 102.50 0.00 0.00 1775.50
1964 0.00 0.00 0.00 0.00 127.50 187.50 0.00 z 423.50 178.00 28.00 0.00 0.00 944.50
1965 0.00 0.00 0.00 15.00 52.50 170.00 488.50 406.50 93.00 50.00 0.00 0.00 1275.50
1966 0.00 0.00 0.00 8.00 159.00 268.50 629.50 478.50 266.50 11.50 0.00 0.00 1821.50
1967 0.00 0.00 0.00 0.00 85.00 193.50 567.00 543.00 262.00 41.50 0.00 0.00 1692.00
1968 0.00 0.00 0.00 3.00 41.50 285.00 551.50 355.00 170.50 18.50 0.00 0.00 1425.00
1969 0.00 0.00 0.00 16.00 197.00 187.50 574.50 630.50 317.50 6.50 0.00 0.00 1929.50
1970 0.00 0.00 0.00 0.00 132.00 298.50 553.00 623.50 118.50 26.50 0.00 0.00 1752.00
1971 0.00 0.00 0.00 2.50 70.50 323.00 526.00 618.00 147.50 26.00 0.00 0.00 1713.50
1972 0.00 0.00 0.00 1.00 101.50 354.00 499.00 496.00 193.00 42.00 0.00 0.00 1686.50
1973 0.00 0.00 0.00 0.00 97.50 339.00 484.00 543.50 140.50 51.50 0.00 0.00 1656.00
1974 0.00 0.00 0.00 13.50 129.50 428.50 586.00 448.00 191.00 45.00 0.00 0.00 1841.50
1975 0.00 0.00 0.00 0.00 59.50 191.00 580.00 414.50 187.50 45.50 0.00 0.00 1478.00
1976 0.00 0.00 0.00 0.00 101.50 271.50 611.00 432.50 226.00 27.00 0.00 0.00 1669.50
1977 0.00 0.00 0.00 60.00 63.50 511.50 562.00 445.00 217.50 22.00 2.00 0.00 1883.50
1978 0.00 0.00 2.00 5.00 60.50 307.50 547.50 410.00 225.00 33.50 0.00 0.00 1591.00
1979 0.00 0.00 b 0.00 16.50 132.50 326.00 561.00 439.50 315.00 82.00 0.00 0.00 1872.50
1980 0.00 0.00 0.00 25.00 60.50 349.00 571.50 416.50 233.00 60.00 2.50 0.00 1718.00
1981 0.00 0.00 0.00 45.50 73.50 363.00 543.00 467.50 259.50 2.50 0.00 0.00 1754.50
1982 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 z 0.00
1983 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 178.50 n 0.00 z 0.00 0.00 0.00
1984 0.00 e 0.00 0.00 4.00 141.50 258.00 557.50 540.50 197.00 31.50 0.00 0.00 1730.00
1985 0.00 0.00 0.00 51.50 201.00 401.00 651.50 493.00 159.00 5.00 0.00 0.00 1962.00
1986 0.00 0.00 3.00 10.00 106.50 442.50 463.00 0.00 z 137.50 1.50 0.00 0.00 1164.00
1987 0.00 0.00 0.00 81.50 149.50 386.00 490.00 426.50 236.50 46.50 2.00 0.00 1818.50
1988 0.00 0.00 0.00 23.50 133.50 525.50 685.00 540.00 222.00 70.00 0.00 0.00 2199.50
1989 0.00 0.00 4.00 60.00 115.50 276.00 646.50 458.50 222.50 45.00 0.00 0.00 1828.00
1990 0.00 0.00 0.00 23.00 64.50 390.00 574.50 524.50 364.00 31.00 0.00 0.00 1971.50
1991 0.00 0.00 0.00 11.50 67.00 324.00 552.50 524.50 208.50 95.00 0.00 0.00 1783.00
1992 0.00 0.00 0.00 57.50 151.00 302.50 448.00 509.00 204.50 47.00 0.00 0.00 1719.50
1993 0.00 0.00 0.50 1.50 141.50 178.50 337.00 373.00 174.00 33.00 0.00 0.00 1239.00
1994 0.00 0.00 b 0.00 a 48.50 179.50 407.50 562.50 562.50 257.00 2.50 0.00 0.00 2020.00
1995 0.00 0.00 0.00 z 2.50 10.69 b 192.50 460.50 543.50 242.00 15.50 0.00 0.00 1467.19
1996 0.00 0.00 0.00 a 13.00 66.00 372.50 582.00 526.50 183.00 93.00 0.00 a 0.00 1836.00
1997 0.00 0.00 a 0.00 1.50 116.50 340.50 493.00 480.00 222.50 40.00 0.00 0.00 1694.00
1998 0.00 0.00 0.00 7.50 75.00 143.00 601.50 531.50 322.00 22.00 0.00 0.00 1702.50
1999 0.00 0.00 0.00 3.21 b 86.00 261.00 568.00 517.00 146.50 62.00 1.50 0.00 z 1645.21
2000 0.00 0.00 0.00 19.50 188.50 345.00 624.50 601.00 228.62 a 22.50 0.00 a 0.00 2029.62
2001 0.00 b 0.00 0.00 28.00 183.00 397.50 646.87 a 595.50 326.90 a 47.50 0.50 0.00 a 2225.76
2002 0.00 0.00 0.00 13.50 144.50 421.00 713.00 509.50 224.00 0.50 0.00 0.00 2026.00
2003 0.00 0.00 0.00 18.50 208.00 296.00 746.50 641.50 236.00 127.50 0.00 0.00 2274.00
2004 0.00 0.00 12.50 15.50 128.50 297.00 554.00 442.00 215.00 27.50 0.00 0.00 1692.00
2005 0.00 0.00 0.00 3.50 94.00 254.00 640.50 472.00 197.50 40.50 0.00 0.00 1702.00
2006 0.00 0.00 0.00 12.50 166.50 452.00 702.50 511.00 184.00 23.50 3.50 0.00 2055.50
2007 0.00 0.00 0.50 30.00 157.50 451.50 734.00 594.00 248.00 71.50 0.00 0.00 2287.00
2008 0.00 0.00 0.00 9.50 71.00 302.00 654.50 531.00 172.00 32.00 1.00 0.00 1773.00
2009 0.00 0.00 0.00 18.00 138.00 217.00 548.00 469.00 317.00 3.50 0.00 0.00 1710.50
2010 0.00 0.00 0.00 15.50 41.00 317.50 578.00 495.00 291.50 71.50 0.50 0.00 1810.50
2011 0.00 j 0.00 0.00 0.50 31.00 283.00 597.50 628.00 307.50 77.50 c 0.00 0.00 1925.00
2012 0.00 0.00 14.00 59.50 148.50 480.00 680.50 656.00 322.00 42.50 1.00 0.00 2404.00
2013 0.00 a 0.00 3.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.50
Period of Record Statistics
MEAN 0.00 0.00 0.67 17.69 110.87 321.87 572.02 505.04 229.72 41.28 0.23 0.00 1810.48
S.D. 0.00 0.00 2.45 18.98 49.78 88.87 76.08 68.01 62.02 27.11 0.67 0.00 229.42
SKEW 0.00 0.00 4.56 1.37 0.21 0.10 -0.11 0.25 -0.12 0.73 3.27 0.00 0.14
MAX 0.00 0.00 14.00 81.50 216.50 525.50 746.50 656.00 364.00 127.50 3.50 0.00 2404.00
MIN 0.00 0.00 0.00 0.00 10.69 143.00 337.00 355.00 72.50 0.50 0.00 0.00 1239.00
NO YRS 63 64 62 62 62 62 61 62 63 63 64 63 57