IDAHO SPRINGS, COLORADO

Monthly Total Growing Degree Days

(054234)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197406
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
1893 0.00 e 0.00 0.50 1.00 49.60 a 300.00 a 0.00 z 0.00 z 0.00 z 8.00 j 0.00 e 0.00 351.10
1894 0.00 j 0.00 c 0.00 b 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
1895 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
1896 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
1897 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
1898 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
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 z 0.00
1905 0.00 z 0.00 0.00 11.00 54.50 319.50 430.50 465.50 236.50 31.00 a 0.00 0.00 1548.50
1906 0.00 0.00 a 0.00 c 8.00 104.00 217.50 316.00 335.00 154.50 44.50 3.50 0.00 1183.00
1907 0.00 0.00 14.00 15.00 41.50 183.50 407.50 373.55 a 182.50 20.50 0.00 0.00 1238.05
1908 0.00 0.00 0.00 6.50 33.50 204.00 399.00 354.50 265.50 29.00 0.00 0.00 1292.00
1909 0.00 0.00 0.00 0.00 12.00 262.50 448.00 435.00 159.50 52.50 0.00 0.00 1369.50
1910 0.00 0.00 4.50 15.50 65.50 294.50 489.50 418.00 228.00 80.50 1.00 0.00 1597.00
1911 1.00 0.00 a 0.00 a 5.89 b 112.93 c 318.50 354.00 372.52 a 241.80 e 42.48 d 0.00 q 0.00 c 1449.12
1912 0.00 c 0.00 c 0.00 g 0.00 b 81.50 195.00 346.17 a 381.30 a 106.50 16.53 a 0.00 0.00 a 1127.00
1913 0.00 a 0.00 a 3.00 4.14 a 102.30 a 247.50 418.00 462.00 139.14 a 17.05 a 0.00 0.00 1393.13
1914 0.00 0.00 a 0.00 1.03 a 97.50 283.97 a 406.00 401.45 a 239.00 25.50 0.00 0.00 1454.45
1915 0.00 a 0.00 0.00 5.00 56.66 b 198.21 b 371.50 274.00 165.00 b 37.09 c 7.24 a 0.00 c 1114.70
1916 0.00 0.00 1.55 a 11.50 92.50 0.00 z 440.41 b 326.03 b 146.90 a 22.00 0.00 a 0.00 1040.89
1917 0.00 0.00 a 0.00 a 0.00 17.10 b 231.96 b 424.38 b 311.07 b 220.50 52.50 0.00 0.00 1257.52
1918 0.00 0.00 0.00 a 0.00 a 52.50 390.00 406.00 405.00 158.28 a 68.00 0.00 0.00 h 1479.78
1919 0.00 0.00 0.00 b 12.50 71.00 316.50 511.00 456.00 256.00 4.00 0.00 0.00 1627.00
1920 3.00 0.00 0.00 a 0.00 84.00 228.00 433.00 288.50 126.00 23.50 0.00 0.00 1186.00
1921 0.00 0.00 6.95 b 0.00 48.50 207.00 335.00 289.50 178.00 56.00 0.00 0.00 1120.95
1922 0.00 0.00 0.00 0.00 60.00 296.00 323.50 330.50 141.00 29.50 0.00 0.00 1180.50
1923 0.00 0.00 0.00 0.00 7.50 i 172.76 a 342.07 b 227.00 72.50 0.00 0.00 0.00 814.33
1924 0.00 0.00 0.00 0.00 22.00 243.00 332.50 389.00 116.00 6.00 0.00 0.00 1108.50
1925 0.00 0.00 0.00 5.00 72.00 172.50 319.00 239.50 115.50 9.30 a 0.00 0.00 932.80
1926 0.00 0.00 0.00 0.00 64.50 172.50 226.00 307.50 146.50 21.50 0.00 0.00 938.50
1927 0.00 0.00 0.00 8.00 71.50 200.00 300.70 a 167.92 a 137.50 0.50 3.50 0.00 889.62
1928 0.00 0.00 0.00 5.50 76.50 147.00 314.00 308.50 154.00 28.00 0.00 0.00 1033.50
1929 0.00 0.00 0.00 1.00 23.50 229.00 324.50 328.50 102.00 17.50 0.00 0.00 1026.00
1930 0.00 0.00 0.00 6.00 46.50 255.50 368.50 298.00 129.50 15.00 0.00 0.00 1119.00
1931 0.00 0.00 0.00 0.00 63.00 277.00 435.00 342.00 250.00 18.50 1.50 0.00 1387.00
1932 0.00 1.00 0.00 11.50 47.00 186.00 344.00 357.50 151.50 20.50 0.00 0.00 1119.00
1933 0.00 j 0.00 0.00 0.00 43.50 295.50 435.50 307.00 216.50 5.50 0.00 0.00 a 1303.50
1934 0.00 0.00 0.00 16.00 142.00 258.50 465.00 a 344.00 142.00 34.50 0.00 0.00 1402.00
1935 0.00 0.00 0.00 2.50 1.00 190.00 354.50 398.50 183.00 31.52 a 0.00 0.00 1161.02
1936 0.00 0.00 0.00 3.50 72.50 254.00 394.00 344.00 199.00 13.50 0.00 0.00 a 1280.50
1937 0.00 a 0.00 0.00 13.50 51.00 188.00 309.48 a 392.00 130.50 0.00 z 0.00 d 2.50 1086.98
1938 0.00 0.00 0.00 19.00 69.00 262.00 400.50 467.07 a 191.00 54.25 a 0.00 a 0.00 1462.82
1939 0.00 0.00 0.00 7.00 h 110.00 246.50 519.00 398.50 275.50 19.50 0.00 3.50 1572.50
1940 0.00 0.52 a 0.00 0.00 81.00 323.50 448.00 380.00 196.50 31.00 0.00 0.00 a 1460.52
1941 0.00 z 0.00 0.00 b 0.00 z 0.00 z 0.00 z 0.00 z 349.86 c 97.50 h 21.18 a 2.50 0.00 b 373.54
1942 0.00 z 0.00 z 0.00 1.50 71.50 199.50 422.50 426.85 e 141.50 38.50 0.00 a 0.00 1301.85
1943 0.00 0.00 5.50 23.00 57.50 258.00 441.50 411.00 153.50 16.00 0.00 0.00 1366.00
1944 0.00 0.00 0.00 0.00 65.50 221.00 364.50 431.00 171.00 9.50 0.00 0.00 1262.50
1945 0.00 0.00 0.00 7.00 48.50 126.50 368.50 346.00 141.50 17.00 5.50 0.00 1060.50
1946 0.00 0.00 0.00 36.50 9.50 263.50 410.50 361.00 178.50 9.50 0.00 a 0.00 1269.00
1947 0.00 0.00 0.00 2.00 67.00 150.00 376.50 351.00 206.50 58.50 0.00 0.00 1211.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 343.00 190.00 9.00 0.00 0.00 542.00
1949 0.00 0.00 0.00 31.00 65.00 207.50 343.00 307.50 135.50 10.00 2.50 0.00 1102.00
1950 0.00 0.00 0.00 6.00 42.50 215.50 288.00 231.00 102.41 a 65.50 0.00 0.00 950.91
1951 0.00 0.50 0.00 0.00 53.00 109.50 380.00 271.00 110.00 4.00 0.00 0.00 928.00
1952 0.00 0.00 0.00 1.50 57.00 350.50 381.00 366.50 224.50 29.50 0.00 0.00 1410.50
1953 0.00 0.00 0.00 4.00 41.00 256.50 431.50 330.50 223.50 33.00 0.00 0.00 a 1320.00
1954 0.00 0.00 0.00 15.00 a 85.00 280.50 471.00 353.00 189.50 73.50 0.00 0.00 1467.50
1955 0.00 0.00 0.00 10.00 55.00 164.00 397.00 373.50 156.50 7.00 0.00 4.50 1167.50
1956 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 291.00 i 327.50 231.00 35.00 2.59 a 0.00 596.09
1957 0.00 0.00 0.00 0.00 24.00 222.00 466.50 412.50 138.50 49.71 b 0.00 0.00 1313.21
1958 0.00 0.00 0.00 b 2.59 a 0.00 z 291.50 361.15 a 415.50 194.48 a 54.25 a 5.50 0.00 1324.97
1959 0.00 0.00 0.00 46.00 51.00 333.00 377.00 369.00 147.86 b 11.50 0.00 a 0.00 1335.36
1960 0.00 0.00 0.00 9.00 38.75 a 233.50 350.82 a 310.55 c 149.00 31.50 0.00 0.00 a 1123.12
1961 0.00 a 0.00 0.00 1.00 76.00 227.00 348.00 329.00 62.00 7.50 0.00 b 0.00 1050.50
1962 0.00 1.00 0.00 23.00 53.50 f 168.33 c 311.50 325.00 98.00 i 47.05 c 0.00 0.00 875.89
1963 0.00 3.65 e 2.00 f 15.00 83.50 247.00 474.00 324.00 216.50 76.00 0.50 0.00 1440.15
1964 0.00 0.00 0.00 1.00 105.00 172.50 457.00 317.50 136.50 35.00 0.00 2.00 1226.50
1965 0.00 0.00 0.00 15.00 52.00 166.50 381.00 270.50 78.50 59.00 0.00 d 1.00 1023.50
1966 0.00 d 0.00 a 0.00 3.50 110.00 215.50 502.00 344.00 183.50 18.50 0.00 g 0.00 1377.00
1967 0.00 0.00 0.00 g 3.00 60.00 111.67 c 390.00 308.00 128.50 10.00 0.00 0.00 1011.17
1968 0.00 0.00 z 0.00 z 0.00 z 0.00 z 220.50 k 0.00 z 281.50 128.50 21.50 0.00 g 0.00 431.50
1969 0.00 0.00 0.00 9.64 b 72.00 108.00 402.50 430.00 154.00 6.00 0.00 0.00 1182.14
1970 0.00 0.00 0.00 0.00 71.50 220.50 382.50 377.50 92.00 0.00 e 0.00 0.00 1144.00
1971 0.00 0.00 1.00 0.00 31.50 235.50 324.00 321.00 0.00 z 0.00 z 0.00 z 1.50 914.50
1972 0.00 0.00 0.00 0.00 51.50 256.50 373.72 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 681.72
1973 0.00 c 0.00 c 0.00 d 0.00 z 24.11 d 229.66 a 97.50 q 345.00 0.00 z 0.00 z 14.00 0.00 z 612.77
1974 12.00 0.00 19.50 33.00 211.00 381.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 657.00
Period of Record Statistics
MEAN 0.24 0.10 0.84 7.50 63.65 233.18 388.58 349.07 165.92 28.35 0.77 0.22 1218.06
S.D. 1.52 0.47 3.11 9.80 33.11 61.97 59.20 59.65 49.08 20.46 2.23 0.80 177.35
SKEW 7.27 6.51 4.61 1.88 1.43 0.23 0.03 -0.25 0.23 0.75 4.03 3.90 0.21
MAX 12.00 3.65 19.50 46.00 211.00 390.00 519.00 467.07 275.50 80.50 14.00 4.50 1627.00
MIN 0.00 0.00 0.00 0.00 1.00 108.00 226.00 167.92 62.00 0.00 0.00 0.00 889.62
NO YRS 66 69 67 65 64 66 64 68 64 65 65 67 47