GATEWAY, COLORADO

Monthly Total Heating Degree Days

(053246)

Base Temperature = 65 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 4.00 o 219.50 g 667.50 g 1174.90 a 1174.90
1957 1049.00 822.37 a 583.63 e 318.50 h 245.70 d 27.00 g 0.00 h 3.50 g 44.50 f 308.45 a 787.22 c 962.60 b 4758.98
1958 1094.76 d 454.00 h 702.09 d 427.76 a 119.35 a 0.00 e 0.00 c 0.00 q 52.80 e 271.25 a 690.00 574.50 l 3358.01
1959 1006.00 730.07 a 609.00 298.45 a 71.09 b 0.00 b 0.00 0.00 d 99.83 a 333.52 b 739.14 a 1030.00 4917.09
1960 1132.61 c 953.38 a 590.55 a 320.00 152.42 a 3.75 b 0.00 i 2.14 b 15.58 d 331.50 621.00 1042.50 5165.41
1961 1082.93 a 711.85 b 640.50 372.50 127.88 c 1.03 a 0.00 a 1.60 b 155.00 366.00 724.00 1201.80 c 5385.10
1962 1149.00 686.00 a 754.50 248.79 a 138.47 a 14.50 0.00 b 2.58 a 34.62 d 238.04 c 595.71 b 1079.32 a 4941.53
1963 1504.50 694.40 c 668.71 c 400.86 a 41.52 c 13.93 b 0.00 b 0.00 a 6.67 c 171.61 c 632.68 b 1112.79 b 5247.67
1964 1123.00 1004.56 d 824.60 a 414.00 128.50 h 17.50 0.00 b 2.50 m 37.50 b 200.97 b 748.45 a 975.93 d 5346.50
1965 908.82 a 817.60 c 726.36 b 387.50 228.07 c 26.40 e 0.00 f 0.00 g 139.29 b 289.52 c 544.29 b 944.98 a 5012.82
1966 1095.50 900.67 a 604.50 a 367.78 c 55.36 c 0.00 c 0.00 a 2.67 b 23.33 c 361.31 b 586.61 b 994.50 4992.22
1967 1149.50 696.89 a 467.67 b 371.67 c 184.21 e 45.54 b 0.00 c 6.64 c 23.50 f 275.12 c 619.66 a 1241.55 a 5058.45
1968 1391.00 699.35 c 588.48 a 485.00 191.17 a 26.67 c 0.00 a 7.75 a 95.36 b 289.50 730.50 1179.03 a 5683.80
1969 933.50 802.00 751.23 a 312.41 a 61.47 b 43.45 a 0.00 b 0.00 b 17.00 518.22 a 758.79 a 941.76 b 5139.83
1970 1013.91 b 680.08 b 732.38 c 533.79 a 109.53 a 47.00 0.00 c 0.00 84.50 463.93 b 636.43 b 922.00 5223.55
1971 1009.50 816.48 c 637.57 a 392.22 c 171.57 b 9.83 a 0.00 f 0.00 a 120.50 g 384.73 c 788.50 1094.76 d 5305.16
1972 955.00 718.27 a 433.45 c 313.97 a 152.62 e 0.00 b 0.00 f 0.52 a 50.00 350.82 a 776.25 b 0.00 z 3750.88
1973 1575.00 966.00 a 740.90 a 538.97 a 0.00 z 98.33 c 0.00 b 0.00 a 23.50 i 337.42 e 685.00 1041.00 5982.62
1974 1429.50 1198.50 567.50 504.64 b 71.00 33.00 0.00 a 3.50 105.00 a 368.26 b 799.00 1170.50 6250.40
1975 1198.00 805.84 c 689.50 545.17 a 287.35 e 95.89 b 0.00 3.10 a 86.79 b 373.11 c 745.00 999.00 5828.74
1976 1165.08 a 660.50 713.52 a 319.44 c 136.73 c 28.50 0.00 a 0.00 a 39.83 a 443.00 464.50 h 890.00 g 3506.60
1977 1216.00 823.93 a 803.00 361.61 b 236.50 0.00 c 0.00 a 0.00 a 15.54 b 306.26 b 651.00 826.67 a 5240.49
1978 997.50 786.00 494.97 a 347.07 a 225.78 a 17.00 0.00 a 1.00 97.24 a 344.62 a 649.14 a 1231.50 5191.81
1979 1303.00 998.00 684.58 a 393.33 c 0.00 z 43.00 0.00 4.13 a 3.75 b 252.59 d 901.00 1102.05 a 5685.44
1980 935.50 718.27 a 735.50 431.90 a 281.58 a 24.50 0.00 a 8.78 a 34.29 b 393.00 693.62 a 792.05 a 5048.99
1981 893.00 772.50 650.50 241.03 a 173.08 a 9.83 a 0.00 7.00 9.11 b 350.50 594.00 927.50 4628.05
1982 1040.50 798.50 608.00 416.50 161.50 22.00 0.00 0.00 66.50 420.00 736.00 990.50 5260.00
1983 987.50 718.00 657.50 524.00 287.00 45.00 0.00 0.00 35.50 294.50 673.00 1028.50 5250.50
1984 1296.50 927.00 716.50 514.50 102.50 53.00 0.00 0.00 42.50 433.00 667.50 942.00 5695.00
1985 1021.50 884.50 595.50 276.00 53.00 9.50 0.00 0.00 91.00 285.50 678.00 976.00 4870.50
1986 888.50 616.50 450.50 230.00 j 142.00 0.00 0.00 c 0.00 k 101.00 382.00 656.00 954.50 4191.00
1987 1097.00 744.00 729.00 265.50 106.50 2.50 0.00 4.00 k 18.00 161.50 k 717.50 1060.00 4740.00
1988 1271.00 854.00 650.00 328.50 144.50 1.50 0.00 j 0.00 r 45.50 m 77.50 k 632.50 1052.00 4934.00
1989 1297.00 880.00 432.50 202.00 75.50 3.00 m 0.00 m 0.00 l 3.50 u 0.00 z 637.50 1039.50 4564.00
1990 991.00 713.00 464.50 207.00 137.90 b 5.00 0.00 t 0.00 t 0.00 z 166.00 q 685.50 1210.00 4413.90
1991 1311.00 827.50 641.50 405.50 112.00 15.00 0.00 n 0.00 n 16.50 s 162.50 v 711.50 1093.50 5117.50
1992 1238.00 743.00 496.00 133.00 29.50 4.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2643.50
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 30.54 b 316.50 l 827.00 1016.50 1874.04
1994 984.00 805.50 495.50 331.50 66.50 0.00 a 0.00 j 0.00 l 18.50 l 249.00 m 726.00 940.00 4349.00
1995 901.50 563.00 518.00 379.00 223.50 32.50 0.00 l 0.00 s 44.50 v 158.50 r 575.50 871.00 4064.00
1996 973.50 686.00 570.00 349.50 63.00 3.00 0.00 m 0.00 84.00 k 255.00 s 664.00 907.50 4216.50
1997 946.00 785.00 510.00 493.00 115.00 5.50 0.00 0.00 i 30.00 260.00 i 456.00 j 1068.00 3952.50
1998 871.50 740.50 651.00 449.00 131.00 28.50 0.00 0.00 3.00 268.00 617.00 1046.50 4806.00
1999 851.50 672.00 413.00 426.00 180.00 23.50 0.00 a 0.00 66.50 290.50 561.00 976.00 4460.00
2000 907.50 655.50 601.00 201.00 76.00 0.00 c 0.00 0.00 37.00 307.50 865.00 964.00 4614.50
2001 1059.50 714.50 553.50 281.50 69.00 11.00 0.00 0.00 13.00 265.00 583.50 1026.50 4577.00
2002 1026.00 860.50 637.00 178.50 112.50 4.00 0.00 0.00 34.50 386.00 743.00 957.50 4939.50
2003 851.00 759.00 576.00 316.50 136.50 2.00 0.00 0.00 50.50 169.00 726.50 949.50 4536.50
2004 1141.00 858.50 426.00 284.50 80.50 4.00 0.00 3.50 81.00 310.50 723.00 1003.00 4915.50
2005 780.50 708.50 631.00 321.00 127.50 35.50 0.00 0.00 27.00 287.00 650.50 1014.00 4582.50
2006 933.00 786.00 630.00 266.50 81.50 1.50 0.00 1.00 156.50 387.00 668.50 1024.00 4935.50
2007 1120.50 698.50 533.00 305.50 122.00 16.50 0.00 0.00 66.50 351.50 617.00 1065.00 4896.00
2008 1157.50 875.00 656.00 419.00 192.00 27.50 0.00 0.00 19.50 307.00 625.50 1029.00 5308.00
2009 1016.50 694.00 537.00 363.50 42.00 10.00 0.00 0.00 42.00 423.00 634.00 1275.50 5037.50
2010 1193.50 892.50 632.50 328.50 183.00 13.50 0.00 0.00 10.00 269.00 738.00 843.50 5104.00
2011 1152.68 a 872.15 a 551.50 390.00 a 223.50 5.50 0.00 0.00 a 11.50 355.50 716.50 1095.00 5373.83
2012 992.52 a 796.00 506.50 264.50 67.68 a 1.00 0.00 0.00 35.00 277.50 598.00 1032.50 4571.20
2013 1395.50 883.00 588.00 3.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 40.50 z 2866.50
Period of Record Statistics
MEAN 1089.39 790.46 608.09 357.56 136.67 18.53 0.00 1.36 51.63 328.72 685.88 1027.16 5074.33
S.D. 173.67 111.71 100.45 97.30 67.37 21.80 0.00 2.39 40.38 72.74 76.99 104.50 402.84
SKEW 0.73 0.95 -0.07 0.03 0.54 1.90 0.00 1.81 1.00 0.12 0.51 0.30 0.79
MAX 1575.00 1198.50 824.60 545.17 287.35 98.33 0.00 8.78 156.50 518.22 901.00 1275.50 6250.40
MIN 780.50 563.00 413.00 133.00 29.50 0.00 0.00 0.00 3.00 169.00 544.29 792.05 4460.00
NO YRS 56 55 56 53 52 53 42 41 44 45 53 53 33