GRAND LAKE 6 SSW, COLORADO

Monthly Total Growing Degree Days

(053500)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 463.50 331.00 37.50 0.00 0.00 832.00
1949 0.00 0.00 0.00 32.50 134.00 320.00 517.50 500.50 239.00 f 64.50 6.00 0.00 1575.00
1950 0.00 a 0.00 a 0.00 15.00 102.50 351.00 479.00 401.00 255.50 121.50 2.00 0.00 1727.50
1951 0.00 0.00 0.00 11.50 163.50 260.00 572.50 486.50 248.00 35.00 0.00 0.00 1777.00
1952 0.00 0.00 a 0.00 10.00 129.00 427.00 543.05 c 500.28 b 348.00 69.50 4.00 0.00 2030.83
1953 0.00 0.00 0.00 10.00 112.00 418.00 601.50 498.50 315.00 87.00 0.50 0.00 2042.50
1954 0.00 0.00 0.00 35.50 205.00 401.50 662.00 533.50 350.00 145.00 0.00 0.00 2332.50
1955 0.00 0.00 0.00 a 13.00 146.00 298.45 a 572.00 590.00 322.50 86.00 0.00 4.00 2031.95
1956 0.00 0.00 0.00 17.00 242.00 466.00 548.00 454.50 328.50 82.50 0.00 0.00 2138.50
1957 0.00 0.00 0.00 2.00 68.50 339.00 594.00 562.13 a 220.00 75.50 3.00 0.00 1864.13
1958 0.00 0.00 0.00 a 0.00 215.50 430.50 504.50 563.00 340.00 94.50 2.50 0.00 2150.50
1959 0.00 0.00 0.00 35.50 144.50 448.50 511.00 535.50 262.00 25.00 0.00 0.00 1962.00
1960 0.00 0.00 0.00 33.50 138.00 395.50 532.50 505.00 330.00 60.00 0.00 0.00 1994.50
1961 0.00 0.00 0.00 10.50 150.00 397.00 508.00 578.50 175.50 49.00 0.00 0.00 1868.50
1962 0.00 0.00 0.00 28.50 135.50 331.00 487.50 464.00 280.00 88.00 4.00 0.00 1818.50
1963 0.00 0.00 0.00 21.50 188.00 381.50 617.00 549.73 a 402.50 164.00 4.50 0.00 2328.73
1964 0.00 0.00 0.00 0.00 167.50 340.00 628.00 479.00 267.00 70.00 0.00 0.00 a 1951.50
1965 0.00 0.00 0.00 21.00 127.50 316.50 548.00 438.00 205.50 85.50 0.50 0.00 1742.50
1966 0.00 0.00 0.00 11.50 180.00 361.50 643.00 521.00 323.50 42.00 2.50 0.00 2085.00
1967 0.00 0.00 4.00 9.50 137.50 290.50 564.50 464.50 282.00 80.50 0.00 0.00 1833.00
1968 0.00 0.00 0.00 0.00 87.00 384.00 519.00 457.00 208.00 61.00 0.00 0.00 1716.00
1969 0.00 0.00 0.00 21.50 219.00 262.00 596.50 602.50 315.50 15.50 0.00 0.00 2032.50
1970 0.00 0.00 0.00 0.00 132.50 331.00 546.50 577.00 231.00 26.00 1.00 0.00 1845.00
1971 0.00 0.00 6.50 4.00 88.50 355.00 510.50 522.50 211.00 65.50 0.00 0.00 1763.50
1972 0.00 0.00 0.00 14.00 155.00 399.00 522.50 488.00 277.00 113.50 0.00 0.00 1969.00
1973 0.00 0.00 0.00 1.50 104.00 312.50 484.50 517.50 269.00 74.00 1.50 0.00 1764.50
1974 0.00 0.00 0.50 16.50 181.50 377.00 529.00 438.50 230.50 80.50 0.00 0.00 1854.00
1975 0.00 0.00 0.00 3.50 83.00 288.00 540.50 453.50 246.50 46.50 0.00 0.00 1661.50
1976 0.00 0.00 0.00 3.50 160.50 339.50 591.50 483.00 301.00 58.50 0.00 0.00 1937.50
1977 0.00 0.00 0.00 27.50 171.00 513.50 621.00 551.50 344.50 48.50 0.00 0.00 2277.50
1978 0.00 0.00 0.50 10.00 150.00 404.50 585.00 476.50 309.00 49.00 1.00 0.00 1985.50
1979 0.00 0.00 0.00 4.00 158.00 348.00 558.00 509.00 345.00 131.50 0.00 0.00 2053.50
1980 0.00 0.00 0.00 5.17 a 109.00 394.00 597.00 490.50 303.50 89.00 8.50 0.50 1997.17
1981 0.00 0.00 0.00 54.00 129.50 461.00 583.50 509.50 344.00 50.50 7.50 0.00 2139.50
1982 0.00 0.00 0.00 1.00 103.00 299.50 514.00 590.00 290.00 26.50 0.00 0.00 1824.00
1983 0.00 0.00 0.00 5.00 64.50 300.50 540.50 610.00 353.50 85.50 9.00 0.00 b 1968.50
1984 0.00 0.00 0.00 0.00 197.00 332.50 613.00 556.50 314.50 53.50 0.00 0.00 2067.00
1985 0.00 0.00 0.00 28.50 160.00 380.50 560.50 501.00 257.50 45.50 0.52 a 0.00 1934.02
1986 0.00 0.00 2.00 23.50 132.00 437.50 522.50 524.00 255.00 33.50 0.00 0.00 1930.00
1987 0.00 0.00 0.00 44.50 177.50 434.50 560.00 509.00 263.00 108.00 7.00 0.00 2103.50
1988 0.00 0.00 0.00 21.50 194.50 504.00 575.00 558.50 283.50 103.50 0.00 0.00 2240.50
1989 0.00 0.00 0.00 74.00 196.00 351.00 595.50 469.00 0.00 z 85.50 0.00 0.00 1771.00
1990 0.00 0.00 0.00 21.50 119.00 440.50 518.50 500.50 392.50 76.50 0.00 0.00 2069.00
1991 0.00 0.00 0.00 2.00 192.00 413.00 545.50 514.00 316.00 113.00 0.00 0.00 2095.50
1992 0.00 0.00 0.00 67.00 233.50 358.00 489.50 458.50 303.50 104.00 0.00 0.00 2014.00
1993 0.00 0.00 0.00 8.00 167.00 362.50 471.00 492.50 248.00 72.50 0.00 0.00 1821.50
1994 0.00 0.00 0.00 43.00 230.00 474.00 562.50 580.00 321.00 61.00 2.00 0.00 2273.50
1995 0.00 0.00 0.00 2.00 97.50 337.50 503.00 604.00 329.50 50.00 2.00 0.00 1925.50
1996 0.00 0.00 0.00 15.00 195.00 396.50 610.50 541.00 283.50 121.00 5.17 a 0.00 2167.67
1997 0.00 0.00 0.00 6.50 150.00 415.00 563.00 509.50 400.00 101.00 0.00 0.00 2145.00
1998 0.00 0.00 2.50 8.50 186.00 312.50 663.50 569.00 456.50 75.50 0.00 0.00 2274.00
1999 0.00 0.00 0.00 6.00 169.50 354.50 615.50 573.50 279.00 67.00 0.00 0.00 2065.00
2000 0.00 a 0.00 0.00 40.50 284.00 410.50 641.00 616.50 388.50 82.00 0.00 0.00 2463.00
2001 0.00 0.00 0.50 46.50 211.63 e 486.60 e 658.00 570.00 360.00 105.50 3.50 0.00 2442.23
2002 0.00 0.00 0.00 74.00 207.50 547.00 699.00 587.00 347.00 31.50 0.00 0.00 2493.00
2003 0.00 0.00 0.00 4.00 241.00 371.50 692.00 631.00 296.50 160.50 2.50 0.00 2399.00
2004 0.00 0.00 15.50 58.50 257.00 408.50 549.50 461.00 287.00 78.50 9.00 0.00 2124.50
2005 0.00 0.00 z 0.00 27.00 220.00 409.00 632.00 530.00 356.00 118.50 18.00 0.00 2310.50
2006 0.00 0.00 0.00 36.00 236.50 487.50 672.00 597.50 232.50 84.50 5.50 0.00 2352.00
2007 0.00 0.00 5.50 40.50 191.96 e 449.00 660.50 638.00 358.50 108.00 0.00 0.00 2451.96
2008 0.00 0.00 0.00 2.50 155.50 386.00 608.00 542.50 299.00 78.50 6.00 0.00 a 2078.00
2009 0.00 0.00 4.00 23.00 0.00 z 351.00 514.00 366.50 f 318.00 35.50 4.50 0.00 1250.00
2010 0.00 0.00 2.00 14.50 131.00 413.50 600.50 569.50 352.00 128.50 0.50 0.00 2212.00
2011 0.00 0.00 0.00 0.50 105.50 404.50 632.00 592.00 314.50 105.50 0.00 0.00 2154.50
2012 0.00 0.00 19.50 84.50 236.50 547.50 663.00 604.50 366.00 108.50 1.00 0.00 2631.00
2013 0.00 0.00 a 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
Period of Record Statistics
MEAN 0.00 0.00 0.97 20.51 162.81 386.23 572.87 527.58 303.87 78.16 1.93 0.07 2056.59
S.D. 0.00 0.00 3.26 20.49 49.54 65.21 57.40 54.58 54.55 33.18 3.26 0.50 218.83
SKEW 0.00 0.00 4.42 1.29 0.15 0.38 0.28 0.03 0.06 0.38 2.47 7.70 0.45
MAX 0.00 0.00 19.50 84.50 284.00 547.50 699.00 638.00 456.50 164.00 18.00 4.00 2631.00
MIN 0.00 0.00 0.00 0.00 64.50 260.00 471.00 401.00 175.50 15.50 0.00 0.00 1661.50
NO YRS 65 64 65 64 63 64 64 64 63 65 65 65 60