WALDEN, COLORADO

Monthly Total Growing Degree Days

(058756)

Base Temperature = 40 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
1897 0.00 0.00 0.00 26.79 b 228.50 g 398.50 610.00 522.00 433.00 109.00 1.00 0.00 d 2100.29
1898 0.00 0.00 0.00 83.00 129.50 434.00 641.00 695.50 364.00 77.50 0.00 z 0.00 e 2424.50
1899 0.00 0.00 1.00 30.00 161.50 382.00 619.50 218.50 t 0.00 z 0.00 z 0.00 0.00 1194.00
1900 0.00 0.00 0.00 30.00 242.00 567.00 665.50 619.50 337.00 99.00 0.60 e 0.00 2560.60
1901 0.00 0.00 0.00 66.50 278.00 417.50 745.50 606.50 243.00 9.41 c 1.00 0.00 2367.41
1902 0.00 0.00 0.00 32.50 230.43 a 473.00 394.50 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 735.93
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 e 0.00
1904 0.00 1.00 0.00 z 0.00 z 223.50 397.50 464.50 494.00 280.00 44.50 n 0.00 b 0.00 1860.50
1905 0.00 0.00 0.50 19.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 19.50
1906 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
1907 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
1908 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
1909 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
1910 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
1911 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
1912 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
1913 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
1914 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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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
1938 0.00 0.00 0.00 29.50 175.50 452.00 544.00 572.50 329.50 127.00 1.50 0.00 d 2231.50
1939 0.00 0.00 3.00 52.00 230.00 392.00 604.50 505.50 348.00 0.00 z 0.00 8.50 2143.50
1940 0.00 0.00 4.50 37.00 242.32 a 476.00 666.00 535.50 388.00 98.00 0.00 1.00 j 2447.32
1941 0.00 0.00 0.00 5.50 268.00 373.50 587.50 515.00 252.50 47.00 7.00 2.50 2058.50
1942 0.00 0.00 0.00 47.50 139.50 d 221.00 q 605.00 531.00 260.50 89.00 8.00 0.00 1680.50
1943 0.00 0.00 17.50 126.00 184.00 376.00 634.00 594.50 297.00 69.23 a 0.00 0.00 2298.23
1944 0.00 0.00 0.00 9.00 234.50 390.00 566.00 545.50 297.50 81.00 8.00 0.00 2131.50
1945 0.00 0.00 0.00 21.50 220.50 317.50 616.00 568.00 268.50 104.50 9.50 0.00 2126.00
1946 0.00 0.00 9.50 100.71 b 113.50 438.50 634.00 563.00 320.00 62.50 1.00 2.50 2245.21
1947 0.00 0.00 0.00 39.50 247.00 330.50 640.50 602.50 374.50 171.00 3.50 0.00 a 2409.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 527.00 369.50 63.00 0.00 0.00 c 959.50
1949 0.00 c 0.00 0.00 69.00 195.50 382.50 573.00 497.00 279.60 e 51.00 12.50 0.00 2060.10
1950 0.00 a 0.00 0.00 48.50 95.00 395.50 490.50 399.79 b 244.50 138.50 4.00 1.55 a 1817.84
1951 0.00 0.00 0.00 b 18.62 a 204.60 a 269.50 573.00 476.00 199.50 27.00 2.00 0.00 1770.22
1952 0.00 0.00 a 0.00 17.00 150.50 469.00 524.50 471.50 247.00 28.00 3.00 0.00 1910.50
1953 0.00 0.00 0.50 17.50 98.50 414.00 564.50 416.00 229.50 40.00 12.60 e 0.00 1793.10
1954 0.00 0.00 0.00 54.50 218.00 393.10 a 654.00 470.50 337.76 a 126.50 0.50 0.00 2254.86
1955 0.00 0.00 a 0.00 24.00 173.50 324.50 582.00 564.50 277.50 41.00 0.00 a 0.52 a 1987.52
1956 0.00 0.00 0.00 25.00 255.00 496.00 399.00 h 427.50 286.50 66.50 0.00 0.00 a 1556.50
1957 0.00 0.00 0.00 6.35 d 95.00 364.00 587.50 498.50 179.00 54.50 0.00 0.00 1784.85
1958 0.00 0.00 0.00 5.50 250.00 455.00 511.50 562.00 287.00 77.00 8.00 0.00 2156.00
1959 0.00 0.00 0.00 58.50 148.00 474.00 534.50 500.65 a 236.50 24.00 0.00 0.00 1976.15
1960 0.00 0.00 2.00 56.50 151.00 418.50 538.50 482.50 343.50 64.50 0.00 d 0.00 2057.00
1961 0.00 0.00 0.00 18.62 a 197.50 439.00 559.50 574.50 162.00 45.50 0.00 0.00 1996.62
1962 0.00 a 0.00 0.00 60.50 187.00 379.00 515.00 443.00 268.93 b 68.00 0.00 0.00 1921.43
1963 0.00 0.00 7.00 15.50 162.50 380.50 573.00 492.00 352.00 116.00 3.00 0.00 2101.50
1964 0.00 0.00 0.00 10.50 167.50 372.00 664.50 466.00 230.50 58.50 0.00 0.00 1969.50
1965 0.00 0.00 0.00 38.50 139.50 374.00 583.00 432.50 194.00 70.50 0.00 0.00 1832.00
1966 0.00 0.00 0.00 17.00 204.00 402.50 650.50 473.00 300.50 35.00 1.00 0.00 2083.50
1967 0.00 0.00 f 1.50 16.00 134.00 322.50 569.00 458.00 251.00 90.50 9.50 0.00 1852.00
1968 0.00 0.00 0.00 0.00 76.50 379.50 558.00 430.50 173.50 57.00 0.00 0.00 1675.00
1969 0.00 0.00 3.50 43.00 247.50 303.50 619.50 596.00 335.00 30.00 0.00 0.00 2178.00
1970 0.00 0.00 0.00 7.00 201.50 375.50 589.50 571.00 217.00 29.50 3.50 0.00 1994.50
1971 0.00 0.00 4.00 15.00 111.50 435.50 549.00 540.50 214.50 42.00 0.00 0.00 1912.00
1972 0.00 0.00 10.50 22.00 129.00 471.00 540.50 478.50 298.00 127.50 0.00 0.00 2077.00
1973 0.00 0.00 0.00 8.00 147.00 0.00 z 0.00 z 558.50 234.00 80.50 6.50 0.00 1034.50
1974 0.00 0.00 12.00 28.50 211.00 439.50 575.00 412.00 186.50 50.50 0.00 0.00 1915.00
1975 0.00 0.00 0.00 29.00 116.50 342.50 593.50 451.50 213.00 85.50 0.50 0.00 1832.00
1976 0.00 0.00 0.00 17.50 171.50 383.50 616.00 466.00 0.00 z 0.00 z 0.00 z 0.00 z 1654.50
1977 0.00 z 0.00 z 0.00 z 0.00 z 162.46 d 411.50 h 619.45 c 530.00 307.00 49.50 5.00 0.00 1673.41
1978 0.00 0.00 8.00 27.00 132.50 400.50 579.70 a 454.00 312.50 54.00 9.50 0.00 1977.70
1979 0.00 0.00 0.00 26.00 170.00 362.50 577.52 d 508.00 335.00 106.50 0.00 0.00 2085.52
1980 0.00 0.00 0.00 24.50 136.50 426.50 628.00 483.00 304.50 70.00 11.50 2.50 2087.00
1981 0.00 0.00 1.00 93.50 143.00 495.00 624.00 528.50 385.50 50.50 10.50 0.00 2331.50
1982 0.00 0.00 0.00 7.50 103.00 329.50 565.50 625.00 277.50 28.50 0.00 0.00 1936.50
1983 0.00 0.00 1.00 11.50 94.50 346.00 616.00 655.50 361.50 59.00 6.00 0.00 2151.00
1984 0.00 0.00 0.00 0.00 233.50 357.00 650.00 582.50 317.00 46.00 3.00 0.00 2189.00
1985 0.00 0.00 1.00 41.50 187.00 421.50 597.50 495.50 231.00 28.00 0.50 0.00 2003.50
1986 0.00 0.00 11.00 28.50 134.50 486.00 544.50 544.50 224.50 18.00 0.00 0.00 1991.50
1987 0.00 0.00 0.00 81.50 198.00 449.00 567.50 485.00 248.00 62.50 4.50 0.00 2096.00
1988 0.00 0.00 0.00 51.50 168.50 562.50 623.00 578.50 246.00 109.50 0.50 0.00 2340.00
1989 0.00 1.00 18.00 100.00 171.50 372.00 641.00 486.00 284.50 81.00 6.72 a 0.00 2161.72
1990 0.00 0.00 1.00 36.00 130.50 472.00 573.00 513.00 411.50 88.50 3.50 0.00 2229.00
1991 0.00 0.00 0.00 17.00 212.50 442.50 574.50 562.00 296.50 108.00 0.50 0.00 2213.50
1992 0.00 0.00 0.00 101.50 269.50 394.00 498.50 483.50 312.00 96.00 0.00 0.00 2155.00
1993 0.00 0.00 3.50 15.50 205.50 358.00 478.50 483.50 239.00 52.00 0.00 0.00 1835.50
1994 0.00 0.00 2.50 70.50 257.50 503.50 573.50 604.50 305.50 50.50 12.00 0.00 2380.00
1995 0.00 0.00 6.50 12.00 88.00 360.50 542.50 632.00 319.00 66.00 6.00 2.00 2034.50
1996 0.00 0.00 0.00 40.50 219.00 443.00 615.00 569.00 278.00 125.00 6.00 0.00 2295.50
1997 0.00 0.00 4.50 13.00 183.50 475.00 573.50 554.50 378.50 96.00 0.00 0.00 2278.50
1998 0.00 0.00 20.50 14.00 193.50 313.50 702.00 585.00 449.00 61.50 4.50 0.00 2343.50
1999 0.00 0.00 3.50 35.00 161.50 396.00 665.50 563.00 259.00 71.00 0.00 z 0.00 2154.50
2000 0.00 0.00 1.00 82.50 309.50 441.50 674.00 648.00 343.50 57.50 0.00 0.00 2557.50
2001 0.00 0.00 0.00 61.00 242.00 482.50 710.00 616.50 352.00 108.50 6.00 0.00 2578.50
2002 0.00 0.00 0.00 61.50 180.50 507.50 729.00 534.50 324.00 31.00 0.00 0.00 2368.00
2003 0.00 3.00 4.00 36.00 243.50 377.00 718.00 600.50 239.50 154.00 0.00 0.00 2375.50
2004 0.00 0.00 34.00 49.14 a 229.50 367.50 536.50 430.50 270.00 67.00 0.52 a 0.00 1984.66
2005 0.00 0.00 0.00 27.50 200.00 359.00 608.00 475.00 298.00 118.00 18.50 0.00 2104.00
2006 0.00 0.00 1.50 66.00 215.50 452.50 649.50 537.00 180.00 63.00 11.00 0.00 2176.00
2007 0.00 0.00 16.50 36.00 206.00 420.00 661.00 599.00 347.00 92.50 22.00 0.00 2400.00
2008 0.00 0.00 0.00 17.50 148.50 352.50 594.00 522.00 249.00 67.50 9.00 0.00 1960.00
2009 0.00 0.00 11.50 41.50 0.00 z 361.50 519.50 446.00 307.50 37.50 15.00 0.00 1740.00
2010 0.00 0.00 1.00 39.00 135.50 437.50 588.50 528.50 295.50 108.50 9.00 0.00 2143.00
2011 0.00 0.00 0.00 9.50 113.50 414.00 642.00 577.50 286.00 119.00 0.00 0.00 2161.50
2012 0.00 0.00 28.50 97.50 199.00 482.50 657.00 558.50 298.50 100.00 5.00 2.77 c 2429.27
2013 0.00 0.00 8.78 a 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 8.78
Period of Record Statistics
MEAN 0.00 0.06 3.28 37.20 181.48 408.88 598.07 527.34 288.78 73.16 3.77 0.29 2118.76
S.D. 0.00 0.37 6.51 27.70 52.07 58.54 57.48 63.37 61.09 33.94 4.91 1.12 204.44
SKEW 0.00 6.95 2.71 1.08 0.04 0.30 0.18 0.17 0.19 0.50 1.44 5.53 0.18
MAX 0.00 3.00 34.00 126.00 309.50 567.00 745.50 695.50 449.00 171.00 22.00 8.50 2578.50
MIN 0.00 0.00 0.00 0.00 76.50 269.50 464.50 399.79 162.00 9.41 0.00 0.00 1675.00
NO YRS 82 81 81 80 79 78 78 80 79 77 78 80 66