CENTER 4 SSW, COLORADO

Monthly Total Growing Degree Days

(051458)

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
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 b 0.00
1942 0.00 0.00 0.00 2.50 65.00 219.50 376.00 326.00 132.00 15.50 0.00 0.00 1136.50
1943 0.00 0.00 0.00 z 34.50 r 88.50 296.00 469.00 417.00 144.50 2.50 0.00 0.00 1417.50
1944 0.00 0.00 0.00 0.00 94.00 302.50 405.00 351.00 126.72 a 5.00 0.00 0.00 1284.22
1945 0.00 0.00 0.00 1.50 119.00 241.55 a 406.50 403.00 161.50 15.50 0.00 0.00 1348.55
1946 0.00 a 0.00 0.00 20.50 78.50 366.00 462.79 c 358.00 171.50 8.50 0.00 0.00 1465.79
1947 0.00 a 0.00 b 0.00 4.00 119.00 241.00 439.50 370.00 170.00 23.00 0.00 0.00 1366.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 413.50 163.00 0.00 b 0.00 0.00 b 576.50
1949 0.00 0.00 b 0.00 19.50 g 77.00 235.00 429.00 306.00 110.56 c 2.00 g 0.00 0.00 1157.56
1950 0.00 c 0.00 b 0.00 f 5.89 b 50.93 c 290.50 346.50 260.50 91.50 16.10 e 0.00 0.00 1061.92
1951 0.00 0.00 0.00 0.00 130.20 a 248.50 547.00 409.72 a 208.00 16.50 0.00 0.00 1559.92
1952 0.00 0.00 0.00 a 1.50 111.00 379.50 436.50 383.07 c 191.00 16.50 0.00 0.00 1519.07
1953 0.00 0.00 0.00 6.00 96.50 319.50 461.50 329.50 194.00 21.18 a 0.00 0.00 1428.18
1954 0.00 0.00 0.00 27.00 177.50 408.50 478.00 322.00 224.50 92.40 e 0.00 d 0.00 1729.90
1955 0.00 0.00 0.00 2.00 60.50 246.50 436.00 468.50 199.00 26.00 0.00 0.00 1438.50
1956 0.00 0.00 0.00 0.50 156.00 397.00 458.50 327.50 248.00 35.50 0.00 0.00 1623.00
1957 0.00 0.00 0.00 0.00 18.00 287.50 433.00 381.00 106.50 20.50 0.00 0.00 1246.50
1958 0.00 0.00 0.00 0.00 151.50 341.50 387.50 404.50 173.00 23.00 0.00 0.00 1481.00
1959 0.00 0.00 0.00 11.00 45.00 336.00 361.50 331.00 122.50 0.00 0.00 0.00 1207.00
1960 0.00 0.00 0.00 7.00 75.50 318.00 397.00 354.50 181.00 8.50 0.00 0.00 1341.50
1961 0.00 0.00 0.00 7.50 111.00 313.50 377.50 391.00 95.00 5.00 0.00 0.00 1300.50
1962 0.00 0.00 0.00 25.50 79.50 223.50 361.50 322.00 148.00 10.00 0.00 0.00 1170.00
1963 0.00 0.00 1.00 9.11 b 117.00 246.00 483.00 395.00 244.50 51.00 0.00 0.00 1546.61
1964 0.00 0.00 0.00 0.00 125.50 248.50 520.50 370.00 185.00 24.50 0.00 0.00 1474.00
1965 0.00 0.00 0.00 13.50 58.50 188.00 426.77 a 314.00 115.50 30.00 0.00 0.00 1146.27
1966 0.00 0.00 2.00 2.50 116.00 235.50 487.50 356.00 203.00 5.50 0.00 0.00 1408.00
1967 0.00 0.00 1.00 2.00 96.50 206.00 454.00 337.00 158.00 37.00 0.00 0.00 1291.50
1968 0.00 0.00 0.00 0.00 67.00 309.00 397.50 306.50 101.00 14.00 0.00 0.00 1195.00
1969 0.00 0.00 0.00 10.50 134.50 186.50 469.00 464.00 182.00 5.00 0.00 0.00 1451.50
1970 0.00 0.00 0.00 0.00 126.00 230.50 432.50 421.50 107.07 a 3.50 0.00 0.00 1321.07
1971 0.00 0.00 0.00 0.00 17.00 212.00 324.00 318.50 134.50 0.50 0.00 0.00 1006.50
1972 0.00 0.00 0.00 0.50 51.00 247.50 323.50 266.50 93.50 23.00 0.00 0.00 1005.50
1973 0.00 0.00 0.00 0.00 71.50 266.00 339.00 287.00 106.00 2.00 0.00 0.00 1071.50
1974 0.00 0.00 0.00 3.50 135.00 299.50 368.00 234.00 119.50 8.50 0.00 0.00 1168.00
1975 0.00 0.00 0.00 0.00 48.00 169.00 360.00 283.00 107.59 a 9.50 0.00 0.00 977.09
1976 0.00 0.00 0.00 0.00 35.50 129.50 336.50 209.50 106.50 2.00 0.00 0.00 819.50
1977 0.00 0.00 0.00 2.50 30.50 291.00 351.00 329.50 123.00 2.00 0.00 0.00 1129.50
1978 0.00 0.00 0.00 0.50 33.50 176.50 306.00 274.00 118.50 19.00 0.00 0.00 928.00
1979 0.00 0.00 0.00 3.00 61.50 169.00 322.50 223.00 149.00 28.50 0.00 0.00 956.50
1980 0.00 0.00 0.00 8.50 18.50 231.00 381.50 247.00 112.00 11.50 0.00 0.00 1010.00
1981 0.00 0.00 0.00 21.50 31.00 307.24 a 391.00 287.50 114.00 0.00 0.00 a 0.00 1152.24
1982 0.00 0.00 0.00 0.00 11.50 97.00 327.50 383.50 154.00 0.00 0.00 0.00 973.50
1983 0.00 0.00 0.00 0.00 44.50 153.00 409.50 405.50 211.50 4.50 0.00 0.00 1228.50
1984 0.00 0.00 0.00 5.00 184.00 227.00 421.00 374.00 178.50 0.00 0.00 0.00 1389.50
1985 0.00 0.00 0.00 b 7.50 79.00 279.50 411.00 379.50 98.00 5.00 0.00 0.00 1259.50
1986 0.00 0.00 0.50 15.52 a 74.40 a 275.50 335.50 347.00 95.50 1.00 0.00 0.00 1144.92
1987 0.00 0.00 0.00 13.50 62.50 287.50 353.00 315.50 107.00 33.50 0.00 0.00 1172.50
1988 0.00 0.00 0.00 8.00 63.00 291.00 383.50 355.00 139.50 19.50 0.00 0.00 1259.50
1989 0.00 0.00 0.00 35.00 143.00 218.50 435.50 303.00 164.50 31.00 0.00 0.00 1330.50
1990 0.00 0.00 0.00 6.50 47.50 303.00 351.00 252.00 236.00 7.50 0.00 0.00 1203.50
1991 0.00 0.00 0.00 5.00 83.00 245.50 373.50 353.50 173.00 60.00 0.00 0.00 1293.50
1992 0.00 0.00 0.00 23.00 119.50 201.00 301.50 276.50 136.50 20.00 0.00 0.00 1078.00
1993 0.00 0.00 0.00 6.50 70.50 245.00 350.00 276.00 97.00 20.00 0.00 0.00 1065.00
1994 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 157.00 6.50 0.00 0.00 163.50
1995 0.00 0.00 0.00 0.00 42.00 195.50 322.50 422.50 185.50 6.00 0.00 0.00 1174.00
1996 0.00 0.00 0.00 20.00 203.50 291.50 424.00 363.50 130.50 56.00 0.00 0.00 1489.00
1997 0.00 0.00 1.03 a 2.50 91.97 a 276.00 369.50 369.50 252.00 43.50 0.00 0.00 1406.00
1998 0.00 0.00 0.00 5.00 89.50 208.50 451.50 399.50 281.50 4.00 0.00 0.00 1439.50
1999 0.00 0.00 0.00 a 1.50 62.50 246.00 427.00 373.50 154.50 24.50 0.00 0.00 1289.50
2000 0.00 0.00 0.00 6.35 d 167.50 302.00 426.00 391.50 252.50 27.50 0.00 0.00 1573.35
2001 0.00 0.00 0.00 20.50 168.00 338.50 457.00 399.00 248.50 22.50 0.00 0.00 1654.00
2002 0.00 0.00 0.00 24.50 117.50 381.50 488.50 379.50 175.50 4.50 0.00 0.00 1571.50
2003 0.00 z 0.00 0.00 9.50 179.00 270.00 534.50 436.00 196.50 45.50 0.00 0.00 1671.00
2004 0.00 0.00 0.00 1.00 121.50 275.50 387.00 354.50 167.50 1.50 0.00 0.00 1308.50
2005 0.00 0.00 0.00 0.00 161.50 277.00 474.50 380.00 229.00 23.50 0.00 0.00 1545.50
2006 0.00 0.00 0.00 11.00 181.50 382.00 488.00 406.00 0.00 z 35.00 0.00 0.00 1503.50
2007 0.00 0.00 0.00 16.00 108.50 334.00 509.50 480.50 233.00 24.50 0.00 0.00 1706.00
2008 0.00 0.00 0.00 7.00 90.00 255.50 440.00 375.00 154.00 16.50 0.00 0.00 1338.00
2009 0.00 0.00 0.00 20.50 160.50 227.00 0.00 z 327.00 190.00 0.00 z 0.00 z 0.00 z 925.00
2010 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
2011 0.00 n 0.00 k 0.50 k 13.00 n 16.50 p 215.00 l 327.50 m 312.00 k 134.50 j 18.00 k 0.00 i 0.00 n 0.00
2012 0.00 l 0.00 k 0.00 n 39.50 n 56.00 t 241.50 n 243.50 q 308.00 i 78.50 o 16.50 p 0.00 k 0.00 n 0.00
2013 0.00 s 0.00 n 0.00 p 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 0.09 7.36 94.02 264.30 409.16 349.72 160.31 17.90 0.00 0.00 1293.30
S.D. 0.00 0.00 0.33 8.43 47.84 63.86 59.49 59.41 48.68 17.22 0.00 0.00 208.00
SKEW 0.00 0.00 4.21 1.29 0.33 0.01 0.19 -0.23 0.49 1.70 0.00 0.00 -0.01
MAX 0.00 0.00 2.00 35.00 203.50 408.50 547.00 480.50 281.50 92.40 0.00 0.00 1729.90
MIN 0.00 0.00 0.00 0.00 11.50 97.00 301.50 209.50 91.50 0.00 0.00 0.00 819.50
NO YRS 66 67 64 64 66 66 65 67 67 66 67 68 60