FT LEWIS, COLORADO

Monthly Total Growing Degree Days

(053016)

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
1915 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
1916 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
1917 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 178.50 t 364.50 232.50 4.50 m 0.54 b 0.00 d 597.54
1918 0.00 c 0.00 a 0.00 b 0.00 c 11.50 459.11 b 319.00 g 400.50 177.32 b 70.00 0.00 b 0.00 a 1118.43
1919 0.00 0.00 0.00 a 34.80 e 120.26 b 305.50 h 377.00 g 0.00 z 169.50 g 0.00 f 0.00 e 0.00 b 155.06
1920 0.00 a 0.00 z 0.00 z 0.00 z 225.61 d 448.85 d 0.00 z 363.73 a 177.00 41.50 0.00 l 0.00 z 1256.69
1921 0.00 0.00 0.00 0.00 64.58 a 291.50 476.50 385.95 a 189.50 80.50 0.00 a 0.00 1488.53
1922 0.00 0.00 0.00 2.00 101.55 b 376.50 521.32 a 456.73 a 286.07 b 50.50 0.00 0.00 1794.67
1923 0.00 0.00 b 0.00 2.00 69.23 a 233.79 a 516.00 352.50 110.50 20.50 0.00 a 0.00 1304.53
1924 0.00 0.00 0.00 0.50 1.00 176.50 f 396.50 345.50 156.50 7.00 0.00 0.00 907.00
1925 0.00 0.00 0.00 5.69 a 101.00 235.00 440.00 296.00 125.00 30.50 0.00 0.00 a 1233.19
1926 0.00 0.00 0.00 o 1.07 b 74.50 318.00 431.00 455.00 205.50 22.50 0.00 0.00 1507.57
1927 0.00 0.00 0.00 11.50 62.00 240.50 418.00 316.00 148.45 a 11.50 0.00 0.00 1207.95
1928 0.00 0.00 0.00 5.00 105.00 180.50 408.50 343.00 202.00 40.00 0.00 0.00 1284.00
1929 0.00 0.00 j 0.00 0.00 56.50 276.50 484.00 381.50 130.00 33.00 0.00 0.00 1361.50
1930 0.00 0.00 0.00 31.50 50.50 i 296.00 425.50 388.50 144.00 10.00 0.00 0.00 1295.50
1931 0.00 0.00 0.00 0.00 51.50 292.00 465.50 398.00 217.00 48.00 0.00 0.00 1472.00
1932 0.00 0.00 0.00 1.50 49.50 222.50 448.00 409.00 185.50 5.50 0.00 0.00 1321.50
1933 0.00 0.00 0.00 0.00 39.00 283.00 393.00 286.00 160.00 7.50 0.00 0.00 1168.50
1934 0.00 0.00 0.00 14.50 214.50 240.50 520.50 489.50 161.50 35.00 0.00 0.00 1676.00
1935 0.00 0.00 0.00 3.50 27.50 263.50 448.50 410.50 219.50 38.00 0.00 0.00 1411.00
1936 0.00 0.00 0.00 12.00 122.50 387.00 497.00 422.00 168.00 7.50 0.00 0.00 1616.00
1937 0.00 0.00 0.00 4.50 104.00 286.50 452.17 b 469.50 247.50 10.00 0.00 0.00 1574.17
1938 0.00 0.00 0.00 16.50 72.00 270.50 375.62 a 364.00 214.50 35.50 0.00 0.00 1348.62
1939 0.00 0.00 0.00 3.50 66.50 262.00 442.50 429.00 263.50 1.50 0.00 0.00 1468.50
1940 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
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 356.50 a 206.50 9.50 0.00 0.00 572.50
1949 0.00 0.00 0.00 11.00 24.50 143.50 377.00 304.83 a 182.00 13.50 0.00 0.00 1056.33
1950 0.00 0.00 0.00 0.50 18.94 d 206.25 b 355.50 315.00 90.50 68.00 0.00 0.00 1054.69
1951 0.00 0.00 0.00 4.00 66.00 139.14 a 414.00 309.00 108.50 5.00 0.00 0.00 1045.64
1952 0.00 0.00 0.00 3.00 65.00 238.50 418.00 380.50 187.50 16.50 0.00 0.00 c 1309.00
1953 0.00 0.00 0.00 2.50 44.29 c 231.50 431.00 302.00 152.50 11.00 0.00 0.00 c 1174.79
1954 0.00 0.00 0.00 c 1.00 46.50 181.55 a 398.50 287.50 203.00 68.50 0.00 0.00 1186.55
1955 0.00 0.00 0.00 0.50 12.00 157.76 a 351.00 392.84 b 172.50 b 30.50 0.00 0.00 1117.10
1956 0.00 0.00 0.00 0.00 a 73.88 a 321.00 390.00 295.02 a 244.50 53.73 a 0.00 b 0.00 1378.13
1957 0.00 a 0.00 0.00 d 0.00 31.00 0.00 z 371.00 321.22 b 105.50 21.00 0.00 0.00 849.72
1958 0.00 0.00 0.00 0.00 a 106.50 278.04 b 364.00 437.00 192.50 33.00 0.00 0.00 b 1411.04
1959 0.00 0.00 0.00 10.00 38.20 c 309.00 437.00 363.50 147.00 1.50 0.00 0.00 1306.20
1960 0.00 0.00 0.00 4.50 37.72 a 294.50 492.50 463.50 285.00 22.00 0.00 0.00 1599.72
1961 0.00 0.00 0.00 0.00 88.50 369.50 457.50 415.00 87.50 3.00 0.00 0.00 1421.00
1962 0.00 0.00 0.00 24.50 57.50 264.50 434.00 423.50 229.00 17.00 0.00 0.00 1450.00
1963 0.00 0.00 0.00 3.50 121.00 219.00 535.00 416.50 291.00 99.50 0.00 0.00 1685.50
1964 0.00 0.00 0.00 0.00 104.50 225.50 510.00 363.00 157.50 40.50 0.00 0.00 1401.00
1965 0.00 0.00 0.00 14.50 31.00 147.22 c 452.50 345.28 b 116.00 48.50 0.00 0.00 1155.00
1966 0.00 0.00 0.00 0.50 83.00 246.67 c 549.22 a 424.91 b 202.24 a 11.62 c 0.00 0.00 a 1518.16
1967 0.00 0.00 0.00 0.00 i 72.85 a 170.77 d 414.00 f 174.50 m 193.39 b 32.00 k 0.00 g 0.00 a 437.01
1968 0.00 c 0.00 a 0.00 a 0.00 b 45.47 a 276.72 a 454.09 d 265.57 a 141.60 e 25.66 b 0.00 c 0.00 a 1209.11
1969 0.00 0.00 b 0.00 11.90 a 129.50 160.00 c 493.93 a 463.34 c 198.62 a 2.67 b 0.00 0.00 a 1459.96
1970 0.00 0.00 0.00 a 0.00 78.00 232.24 a 471.20 a 471.20 a 110.69 a 6.50 0.00 0.00 1369.83
1971 0.00 a 0.00 2.50 0.52 a 27.90 a 282.50 479.50 364.50 0.00 z 0.00 z 0.00 a 0.00 a 1157.42
1972 0.00 0.00 0.00 a 0.50 67.54 c 280.96 d 284.00 m 369.50 135.56 c 35.50 0.00 0.00 889.55
1973 0.00 0.00 0.00 0.00 49.60 a 218.00 410.00 390.00 103.00 6.00 h 0.00 0.00 1170.60
1974 0.00 0.00 a 0.00 0.00 a 111.82 c 408.00 408.88 b 334.00 158.79 a 37.09 c 0.00 b 0.00 a 1458.58
1975 0.00 0.00 a 0.00 0.00 a 40.30 a 168.50 424.00 348.00 151.03 a 33.58 a 0.00 c 0.00 a 1165.42
1976 0.00 a 0.00 0.00 a 2.59 a 69.75 c 242.00 472.48 b 352.37 a 198.62 a 9.50 0.00 0.00 a 1347.31
1977 0.00 0.00 a 0.00 10.00 47.00 370.50 486.00 443.50 203.00 36.00 0.00 a 0.00 1596.00
1978 0.00 a 0.00 0.00 5.36 b 43.92 a 255.50 470.00 376.50 210.00 a 41.85 a 0.00 0.00 1403.12
1979 0.00 0.00 0.00 3.50 52.50 243.00 443.76 d 350.82 a 258.10 a 60.34 c 0.00 0.00 1412.02
1980 0.00 0.00 0.00 8.50 20.00 310.50 508.00 400.93 a 190.86 a 70.00 0.00 a 0.00 1508.80
1981 0.00 0.00 0.00 26.50 57.00 355.86 a 472.50 396.50 205.50 8.00 0.00 a 0.00 z 1521.86
1982 0.00 0.00 0.00 3.50 26.50 207.00 0.00 z 0.00 z 195.00 1.00 i 0.00 0.00 432.00
1983 0.00 0.00 0.00 0.00 58.50 175.00 428.00 460.00 261.00 2.00 0.00 0.00 1384.50
1984 0.00 0.00 0.00 0.00 172.50 254.50 509.50 415.50 209.00 0.00 0.00 0.00 1561.00
1985 0.00 0.00 0.00 4.00 42.50 325.00 489.00 430.00 115.00 2.00 0.00 0.00 1407.50
1986 0.00 0.00 1.00 3.50 56.50 282.50 366.50 439.00 109.00 0.00 0.00 0.00 1258.00
1987 0.00 0.00 0.00 19.50 48.00 306.00 412.00 372.50 154.50 48.50 0.00 0.00 1361.00
1988 0.00 0.00 0.00 3.00 87.50 361.00 469.00 407.50 169.00 31.50 0.00 0.00 1528.50
1989 0.00 0.00 2.50 48.50 100.00 270.00 492.50 369.00 237.00 17.50 0.00 0.00 1537.00
1990 0.00 0.00 1.00 12.00 16.50 k 349.66 a 444.50 364.00 176.50 i 5.50 i 0.00 l 0.00 1171.16
1991 0.00 0.00 0.00 0.50 45.50 220.50 435.50 453.00 194.50 57.00 0.00 0.00 1406.50
1992 0.00 0.00 0.00 28.50 60.50 204.00 358.50 381.00 163.00 21.50 0.00 0.00 1217.00
1993 0.00 b 0.00 0.00 3.62 a 125.50 187.00 416.00 395.50 148.00 26.50 0.00 0.00 1302.12
1994 0.00 0.00 0.00 36.50 78.50 382.50 506.50 515.00 232.50 13.50 0.00 0.00 1765.00
1995 0.00 0.00 0.00 0.00 25.00 199.00 450.00 550.00 264.50 15.50 b 0.00 0.00 1504.00
1996 0.00 0.00 0.00 13.00 126.50 372.00 556.50 491.00 190.00 65.50 0.00 0.00 1814.50
1997 0.00 0.00 0.00 0.00 112.00 264.00 483.00 428.00 285.50 45.00 k 0.00 0.00 k 1572.50
1998 0.00 0.00 0.00 1.50 37.50 l 175.50 564.50 473.00 344.00 32.00 0.00 0.00 1590.50
1999 0.00 h 0.00 e 0.00 e 6.50 h 43.00 k 92.00 u 491.19 b 406.32 c 163.27 d 52.38 b 0.00 d 0.00 f 1113.16
2000 0.00 g 0.00 e 0.00 d 20.50 g 120.50 h 374.46 b 523.12 c 528.11 c 286.61 b 19.52 d 0.00 f 0.00 c 1731.82
2001 0.00 a 0.00 f 0.00 b 27.60 e 117.00 f 282.00 f 412.50 g 418.50 e 267.00 e 27.42 e 0.00 l 0.00 c 740.52
2002 0.00 0.00 0.00 2.00 122.50 480.50 594.00 295.00 l 250.50 3.00 0.00 0.00 1452.50
2003 0.00 0.00 0.00 0.50 g 175.50 255.50 610.00 484.50 173.50 58.50 0.00 0.00 1757.50
2004 0.00 0.00 0.00 d 0.00 1.50 189.00 384.50 212.35 a 165.00 5.00 0.00 0.00 957.35
2005 0.00 0.00 0.00 4.50 130.50 211.50 542.00 362.00 196.50 27.50 0.00 0.00 1474.50
2006 0.00 0.00 0.00 10.50 121.50 354.50 503.00 386.00 97.50 29.50 0.00 0.00 1502.50
2007 0.00 0.00 0.00 13.00 94.00 352.00 519.00 478.50 214.00 17.00 0.00 0.00 1687.50
2008 0.00 0.00 0.00 0.00 53.00 261.00 473.00 426.00 186.00 24.00 0.00 0.00 1423.00
2009 0.00 0.00 0.00 2.00 0.00 z 0.00 z 0.00 z 62.00 z 218.00 9.50 0.00 0.00 229.50
2010 0.00 0.00 0.00 2.00 0.00 z 326.50 514.50 423.50 293.00 61.00 0.00 0.00 l 1620.50
2011 0.00 0.00 0.00 6.21 a 55.00 273.00 549.73 a 547.50 264.00 40.50 0.00 0.00 1735.94
2012 0.00 0.00 1.50 46.00 f 124.00 442.50 568.50 554.00 280.50 53.00 0.00 0.00 2024.00
2013 0.00 0.00 0.00 n 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 0.10 6.81 73.67 273.34 460.85 396.89 191.39 28.84 0.01 0.00 1399.94
S.D. 0.00 0.00 0.44 10.00 44.72 77.78 58.67 66.51 55.50 22.13 0.06 0.00 192.98
SKEW 0.00 0.00 4.59 2.08 1.06 0.53 0.21 0.09 0.27 0.78 8.94 0.00 0.01
MAX 0.00 0.00 2.50 48.50 225.61 480.50 610.00 554.00 344.00 99.50 0.54 0.00 1814.50
MIN 0.00 0.00 0.00 0.00 1.00 139.14 351.00 212.35 87.50 0.00 0.00 0.00 957.35
NO YRS 85 84 84 80 78 80 78 83 85 80 83 83 61