GATEWAY, COLORADO

Monthly Total Growing Degree Days

(053246)

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
1947 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
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 0.00 z 0.00 z 0.00
1949 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
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 292.00 o 184.50 g 0.00 g 0.00 a 0.00
1957 0.00 0.00 a 26.23 e 62.00 h 225.04 d 421.00 g 592.50 h 584.00 g 358.50 f 184.45 a 10.00 c 0.00 b 445.72
1958 0.00 d 1.50 h 5.17 d 84.31 a 425.22 a 697.80 e 908.96 c 390.00 q 550.20 e 227.33 a 22.50 0.00 l 2921.49
1959 0.00 0.00 a 24.50 214.14 a 465.53 b 812.68 b 936.00 758.93 d 490.86 a 152.86 b 3.62 a 0.00 3859.12
1960 0.00 c 0.00 a 39.78 a 174.50 351.85 a 666.43 b 603.50 i 811.88 b 595.38 d 173.00 20.50 0.00 2833.33
1961 0.00 a 0.00 b 23.50 133.50 380.30 c 770.17 a 860.77 a 797.45 b 321.50 143.00 0.00 0.00 c 3430.19
1962 0.00 18.67 a 13.00 222.93 a 374.58 a 625.50 808.14 b 799.28 a 532.50 d 228.62 c 11.25 b 0.00 a 3634.48
1963 0.00 3.36 c 45.95 c 113.79 a 476.62 c 590.36 b 869.07 b 735.73 a 562.78 c 312.77 c 17.14 b 0.00 b 3727.57
1964 0.00 0.00 d 6.72 a 112.50 273.50 h 588.00 949.24 b 395.50 m 511.61 b 273.66 b 18.62 a 0.00 d 2460.34
1965 0.00 a 4.48 c 22.98 b 137.00 275.12 c 493.20 e 603.00 f 560.00 g 375.00 b 183.79 c 27.32 b 0.00 a 1518.89
1966 0.00 0.00 a 35.65 a 129.44 c 469.43 c 656.11 c 875.75 a 808.14 b 526.67 c 145.91 b 25.71 b 2.50 3675.32
1967 2.00 11.93 a 76.97 b 116.67 c 330.87 e 482.68 b 843.64 c 801.02 c 428.50 f 239.70 c 6.21 a 0.00 a 2911.67
1968 0.00 5.02 c 19.12 a 57.00 312.58 a 637.78 c 793.08 a 595.72 a 408.75 b 198.50 4.50 0.00 a 3032.05
1969 0.00 0.00 18.08 a 157.24 a 465.00 b 493.45 a 841.81 b 835.93 b 556.00 58.38 a 0.52 a 0.00 b 3426.41
1970 0.00 b 1.62 b 0.00 c 42.93 a 397.32 a 567.50 850.29 c 856.50 436.00 96.21 b 5.89 b 0.00 3254.25
1971 0.00 0.00 c 64.58 a 116.67 c 310.53 b 680.69 a 742.00 f 858.70 a 273.50 g 157.21 c 0.00 0.00 d 2188.39
1972 0.00 17.09 a 109.05 c 161.90 a 354.71 e 649.29 b 701.00 f 772.93 a 461.50 182.90 a 0.00 b 0.00 z 2709.37
1973 0.00 0.00 a 0.00 a 37.24 a 0.00 z 450.56 c 747.74 b 738.32 a 330.50 i 154.40 e 29.00 0.00 2157.26
1974 0.00 0.00 33.50 69.11 b 449.00 659.00 752.27 a 653.00 411.72 a 133.62 b 0.00 0.00 3161.22
1975 0.00 0.00 c 10.00 50.69 a 195.54 e 413.04 b 719.50 599.85 a 384.64 b 141.16 c 9.50 0.00 2523.92
1976 0.00 a 1.00 14.47 a 145.56 c 339.34 c 585.50 851.98 a 699.05 a 491.38 a 93.00 0.50 h 0.00 g 3221.27
1977 0.00 0.00 a 0.00 152.68 b 235.00 666.67 c 702.67 a 756.92 a 556.07 b 181.72 b 20.50 0.00 a 3272.22
1978 0.00 0.00 70.27 a 130.86 a 276.42 a 616.00 841.65 a 764.50 466.03 a 149.32 a 22.24 a 0.00 3337.29
1979 0.00 0.00 4.13 a 145.56 c 0.00 z 584.00 802.00 721.78 a 601.61 b 270.39 d 0.00 0.00 a 3129.47
1980 0.00 1.04 a 0.00 110.17 a 197.88 a 578.50 772.93 a 669.60 a 478.93 b 169.50 36.21 a 2.07 a 3016.83
1981 0.00 0.00 12.00 233.28 a 313.10 a 739.66 a 814.50 733.50 555.54 b 147.50 17.00 0.00 3566.07
1982 0.00 4.00 8.00 102.50 322.00 549.50 833.00 775.50 475.00 89.50 3.50 0.00 3162.50
1983 0.00 0.00 8.50 68.00 222.00 513.00 794.00 799.00 568.50 170.50 27.00 0.00 3170.50
1984 0.00 0.00 1.00 54.50 433.00 539.50 857.50 838.50 560.00 137.50 10.00 0.00 3431.50
1985 0.00 0.00 19.50 199.00 484.00 726.00 888.00 863.50 445.00 185.50 13.50 0.00 3824.00
1986 1.00 30.00 102.00 100.50 j 371.00 769.50 774.45 c 562.00 k 441.50 116.50 3.00 0.00 2608.95
1987 0.00 0.00 0.00 216.00 391.50 708.00 807.50 448.50 k 529.50 147.50 k 25.50 0.00 2678.00
1988 0.00 0.00 29.50 150.50 389.00 778.50 591.00 j 348.00 r 271.50 m 229.00 k 43.00 0.00 1390.50
1989 0.00 3.00 126.00 284.00 477.00 329.00 m 531.50 m 463.00 l 186.50 u 0.00 z 21.50 0.00 911.50
1990 0.00 2.00 106.50 252.50 369.33 b 786.00 313.00 t 321.50 t 0.00 z 68.00 q 8.00 0.00 1524.33
1991 0.00 0.00 14.50 122.00 412.50 667.00 494.50 n 454.50 n 192.00 s 40.00 v 13.00 0.00 1229.00
1992 0.00 0.00 34.50 340.50 491.50 641.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1508.00
1993 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 523.39 b 27.00 l 2.00 0.00 525.39
1994 0.00 0.00 53.00 175.00 463.50 796.03 a 622.00 j 556.00 l 324.50 l 45.50 m 22.50 0.00 1510.03
1995 0.00 4.00 70.00 116.50 254.00 525.50 527.50 l 310.00 s 81.00 v 62.50 r 4.50 4.00 978.50
1996 0.00 1.00 37.50 147.50 483.50 705.50 512.00 m 839.00 247.50 k 3.00 s 4.50 0.00 2218.50
1997 0.00 0.00 74.50 85.50 399.50 684.00 826.50 559.00 i 539.00 153.50 i 1.50 j 0.00 2609.00
1998 0.00 1.50 42.00 77.50 379.00 577.50 901.00 851.50 662.00 205.50 7.50 0.00 3705.00
1999 2.00 0.00 87.00 106.50 342.00 627.00 849.92 a 689.00 432.00 192.50 35.50 3.50 3366.92
2000 0.00 0.50 17.50 265.50 510.00 675.00 c 881.00 834.50 535.00 180.00 0.00 0.00 3899.00
2001 0.00 0.00 33.00 212.50 488.50 729.50 873.50 785.00 587.00 223.00 35.00 0.00 3967.00
2002 0.00 0.00 44.00 278.50 420.00 755.00 951.00 772.50 502.50 106.00 0.00 0.00 3829.50
2003 0.00 0.00 28.00 172.50 425.50 647.00 978.00 860.00 488.50 317.00 13.00 0.00 3929.50
2004 0.00 0.00 117.00 174.00 446.50 659.50 846.50 751.00 484.00 183.50 1.00 0.00 3663.00
2005 0.00 0.00 4.50 153.00 397.00 563.50 873.50 728.50 506.00 195.50 35.50 0.00 3457.00
2006 0.00 2.50 22.50 206.50 458.50 726.00 878.00 749.00 373.50 139.50 10.50 0.00 3566.50
2007 0.00 1.00 83.50 168.00 407.50 683.50 937.50 827.00 516.00 147.50 18.00 0.00 3789.50
2008 0.00 0.00 28.00 103.00 306.00 628.00 922.50 794.50 493.00 196.00 33.00 0.00 3504.00
2009 0.00 0.50 65.00 150.00 479.50 575.50 886.50 766.00 548.00 127.50 43.50 0.00 3642.00
2010 0.00 0.00 22.50 159.50 339.50 702.50 898.00 758.50 566.50 237.50 18.50 0.00 3703.00
2011 0.00 a 0.00 a 26.50 107.59 a 276.00 652.50 813.00 858.70 a 526.00 168.00 2.50 0.00 3430.79
2012 0.00 a 0.00 90.00 223.00 455.18 a 769.00 891.00 855.00 516.50 218.00 22.00 0.00 4039.68
2013 0.00 0.00 43.50 11.50 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 43.50
Period of Record Statistics
MEAN 0.09 2.08 37.77 149.46 379.13 642.74 850.09 774.75 502.12 176.34 14.82 0.23 3515.09
S.D. 0.39 5.38 33.80 66.47 85.22 93.53 62.45 68.05 68.81 55.20 12.49 0.83 327.48
SKEW 4.39 3.65 0.99 0.59 -0.48 -0.30 -0.26 -0.83 -0.44 0.49 0.56 3.57 -0.78
MAX 2.00 30.00 126.00 340.50 510.00 812.68 978.00 863.50 662.00 317.00 43.50 4.00 4039.68
MIN 0.00 0.00 0.00 37.24 195.54 413.04 702.67 595.72 321.50 58.38 0.00 0.00 2523.92
NO YRS 56 55 56 53 52 53 42 41 44 45 53 53 33