RED FEATHER LAKES 2 SE, COLORADO

Monthly Total Growing Degree Days

(056925)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199006
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 308.50 122.50 22.00 0.00 453.00
1942 0.00 a 0.00 0.00 80.00 153.00 466.00 760.50 741.50 355.50 238.00 15.00 0.00 2809.50
1943 0.00 z 0.00 z 0.00 z 162.00 187.50 423.00 698.00 718.00 318.50 127.50 0.50 0.00 2635.00
1944 0.00 0.00 0.00 0.00 135.00 379.00 671.50 639.00 344.50 173.00 12.93 a 0.00 2354.93
1945 0.00 0.00 8.00 10.00 188.00 277.00 557.50 558.50 192.50 126.00 0.00 0.00 1917.50
1946 0.00 0.00 4.50 122.50 71.00 473.00 619.50 589.50 317.50 84.00 6.50 0.00 2288.00
1947 0.00 0.00 z 0.00 11.00 166.50 187.22 c 0.00 z 0.00 z 376.00 138.50 10.50 0.00 889.72
1948 0.00 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 2.50 0.00 2.50
1949 0.00 0.00 0.00 58.00 0.00 y 0.00 z 0.00 z 0.00 z 0.00 z 21.00 g 50.50 0.00 108.50
1950 2.50 3.50 3.50 17.59 a 87.50 414.00 508.00 527.50 283.00 237.50 12.50 2.00 2099.09
1951 0.00 2.50 0.00 4.00 f 190.50 265.50 611.73 a 535.50 289.00 87.50 0.00 0.00 a 1982.23
1952 0.00 1.50 0.00 51.00 163.00 310.00 j 604.50 586.00 413.40 e 170.50 0.50 j 6.50 1996.40
1953 15.00 2.50 5.74 d 31.50 130.50 491.00 561.00 f 471.50 f 320.50 g 152.50 f 14.50 l 0.00 676.24
1954 3.32 c 15.17 d 5.54 c 86.38 a 177.50 428.40 e 706.00 603.98 a 447.00 e 73.50 u 0.00 z 0.00 z 2473.29
1955 0.00 0.00 0.50 15.50 g 126.77 c 358.85 d 662.00 635.00 397.00 174.00 g 2.50 10.50 2193.11
1956 5.50 0.00 p 20.50 22.50 268.00 535.00 605.50 266.50 n 455.00 138.98 a 8.50 0.50 2059.98
1957 0.00 a 5.50 0.00 13.93 b 129.00 353.00 617.86 b 581.77 a 0.00 z 0.00 z 0.00 z 0.00 z 1701.06
1958 0.00 p 8.50 0.00 30.50 258.50 g 478.00 592.62 a 657.00 430.00 198.00 18.50 8.78 a 2421.90
1959 2.00 0.00 0.00 77.00 156.00 540.50 614.50 640.50 324.50 48.50 k 0.00 z 0.00 z 2355.00
1960 0.00 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
1961 0.00 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
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 308.50 o 399.83 a 198.50 31.50 8.86 c 638.68
1963 0.52 a 14.50 17.50 39.00 251.00 452.50 542.50 h 587.50 492.00 304.00 21.00 0.00 2179.52
1964 0.00 0.00 c 2.50 15.00 220.10 a 365.50 768.50 550.50 342.00 161.00 25.86 a 0.50 2451.46
1965 0.00 1.00 0.00 72.50 156.50 364.00 605.00 478.43 a 207.50 219.07 a 29.50 22.73 a 2156.23
1966 1.00 0.00 a 16.05 c 25.34 a 255.23 a 410.50 681.50 529.50 394.50 104.76 b 10.86 a 1.79 e 2431.04
1967 4.02 d 1.12 c 40.41 c 19.44 c 168.95 a 306.72 a 584.35 a 550.54 d 340.86 a 235.50 34.50 g 0.00 2251.92
1968 10.00 0.00 8.02 b 32.50 136.50 472.00 615.00 506.50 295.50 206.00 5.50 5.34 b 2292.86
1969 13.50 0.00 2.00 69.50 260.00 300.00 671.00 677.50 416.00 39.50 27.50 8.00 f 2476.50
1970 4.00 6.50 3.00 41.90 a 293.00 424.50 641.50 664.50 275.00 46.00 m 2.59 a 0.00 2356.48
1971 0.00 0.00 8.04 d 39.50 130.20 a 468.50 586.00 607.50 283.00 108.50 9.50 0.00 e 2240.74
1972 0.00 c 2.59 a 41.33 a 50.50 176.50 473.00 584.00 544.10 b 345.52 a 161.95 b 0.00 g 0.00 d 2379.49
1973 0.00 a 1.04 a 0.00 a 5.50 176.00 467.00 551.50 594.50 299.50 34.00 x 28.00 h 0.00 k 2095.04
1974 17.05 a 6.50 i 34.50 52.50 261.36 b 483.00 0.00 z 497.50 291.50 150.00 10.00 0.00 n 1797.41
1975 1.50 0.00 6.50 48.50 f 140.02 a 380.50 625.00 588.00 317.50 191.37 e 46.73 d 16.00 o 2297.11
1976 0.50 6.00 5.50 25.00 181.00 392.50 635.00 518.50 361.50 102.62 b 20.50 f 11.50 n 2228.12
1977 0.00 3.50 0.00 f 44.50 172.00 574.00 655.13 a 576.00 410.00 208.50 18.00 e 0.00 v 2661.63
1978 0.00 e 0.00 37.00 31.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 68.50
1979 0.00 z 0.00 z 0.00 z 0.00 z 84.50 v 0.00 z 0.00 z 0.00 z 0.00 z 104.50 i 0.00 5.17 a 5.17
1980 0.00 b 3.50 0.50 48.00 155.00 521.00 733.50 566.00 375.00 100.00 49.00 33.00 2584.50
1981 0.00 3.00 0.00 139.00 0.00 z 558.62 a 656.50 520.50 408.50 94.03 a 24.50 4.00 2408.65
1982 3.50 9.00 1.00 17.50 140.50 302.00 609.50 637.50 316.50 62.50 0.00 0.00 2099.50
1983 0.00 3.00 3.50 14.00 100.50 330.50 644.00 658.50 426.50 101.00 25.50 0.00 2307.00
1984 3.00 0.00 0.00 6.00 266.00 397.00 656.50 593.50 335.50 50.12 a 7.00 3.00 2317.62
1985 0.00 0.00 4.00 87.50 238.50 467.50 628.00 596.00 293.50 70.00 8.00 0.00 2393.00
1986 14.50 8.00 47.00 49.66 a 149.50 506.00 621.00 590.00 308.04 b 15.00 s 6.50 0.00 2300.19
1987 1.55 a 0.00 7.00 144.50 235.50 457.50 617.50 528.50 309.50 114.50 13.50 2.00 2431.55
1988 3.00 0.00 14.50 70.00 239.00 170.00 t 648.00 638.50 305.50 145.50 11.50 0.00 2075.50
1989 6.00 0.00 33.00 110.00 211.00 329.00 649.50 543.50 310.50 137.95 a 36.43 b 6.00 2372.88
1990 2.00 1.50 0.00 44.00 147.50 484.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 679.50
Period of Record Statistics
MEAN 2.71 2.59 9.07 50.44 179.78 418.93 635.06 588.35 344.21 145.97 15.75 3.26 2326.32
S.D. 4.58 3.86 13.43 40.03 54.01 87.64 53.75 60.46 64.13 61.08 13.95 6.77 202.29
SKEW 1.98 1.85 1.63 1.15 0.30 -0.48 0.45 0.47 0.08 0.44 1.01 3.06 0.29
MAX 17.05 15.17 47.00 162.00 293.00 574.00 768.50 741.50 492.00 304.00 50.50 33.00 2809.50
MIN 0.00 0.00 0.00 0.00 71.00 187.22 508.00 478.43 192.50 39.50 0.00 0.00 1917.50
NO YRS 42 40 42 41 40 40 37 38 41 35 37 37 17