BROWNS PARK REFUGE, COLORADO

Monthly Total Heating Degree Days

(051017)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199707
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
1966 0.00 z 0.00 z 0.00 z 511.00 f 304.00 140.50 8.00 f 54.25 e 182.14 b 660.96 c 858.75 b 1386.00 3586.61
1967 1178.55 c 975.33 a 836.48 a 651.00 452.50 200.50 11.00 16.57 b 201.43 b 527.00 e 912.00 1424.00 7386.37
1968 1440.50 1025.50 880.83 b 774.11 b 440.20 a 101.11 c 22.39 d 131.75 a 340.86 a 577.38 c 987.78 c 1292.50 8014.90
1969 1112.38 a 1070.42 d 1173.19 b 561.21 a 232.50 c 203.89 c 6.95 b 7.46 d 183.00 805.50 983.65 d 1210.55 a 7550.70
1970 1245.34 b 922.00 989.33 b 733.80 e 348.00 149.00 13.84 c 8.35 e 363.00 766.00 902.00 1301.50 7742.16
1971 1241.00 1016.50 998.50 660.50 441.50 129.00 10.50 6.95 b 408.33 c 702.00 1097.00 1378.00 8089.78
1972 1315.50 1040.00 755.50 620.50 377.50 57.50 16.00 f 72.91 d 289.82 b 369.50 h 976.03 a 1513.04 e 7018.30
1973 1533.97 b 1171.15 b 979.71 b 745.86 a 392.48 c 154.82 b 27.50 f 34.74 b 318.60 e 369.00 j 972.00 e 1241.72 d 7545.06
1974 1115.00 h 1094.24 c 648.00 f 494.00 f 239.50 l 0.00 z 1.00 o 0.00 z 280.56 c 521.00 884.50 1259.00 4039.30
1975 1278.50 1021.50 905.50 739.00 488.00 242.68 b 4.00 107.00 283.50 635.50 1005.50 1182.00 7892.68
1976 1276.50 1040.00 994.00 586.50 288.00 171.00 2.50 43.50 199.50 655.50 909.50 1252.50 7419.00
1977 1254.00 923.00 989.50 517.00 361.00 12.50 1.50 29.50 194.00 554.00 887.00 1015.50 6738.50
1978 1065.00 951.50 775.50 521.50 393.00 103.50 6.50 52.50 236.50 516.50 954.00 1412.00 6988.00
1979 1548.50 1026.00 854.00 597.00 372.50 125.00 1.50 30.50 159.00 537.33 a 1168.50 1257.00 7676.83
1980 1298.50 1069.50 929.50 639.50 390.00 120.00 8.00 60.00 224.00 587.00 863.50 975.47 a 7164.97
1981 1114.50 924.50 823.50 443.50 329.00 53.50 4.00 4.00 80.00 587.50 842.00 1107.00 6313.00
1982 1239.00 1059.50 830.00 678.00 382.50 163.00 30.50 1.00 203.00 649.50 1028.50 1179.00 7443.50
1983 1095.00 954.50 847.50 745.00 445.50 178.00 18.08 a 3.00 179.00 526.00 956.00 1474.00 7421.58
1984 1713.00 1250.00 935.50 764.50 308.50 172.50 1.00 10.00 202.00 687.00 931.00 1300.50 8275.50
1985 1483.00 1229.50 924.50 499.50 274.00 71.50 0.00 20.00 316.50 539.00 908.79 a 1167.00 7433.29
1986 1120.50 834.00 676.00 581.50 375.50 34.50 11.50 6.00 290.50 543.53 a 816.00 1177.50 6467.03
1987 1229.00 880.00 912.00 456.00 243.00 33.50 20.50 45.50 183.00 473.50 871.50 1213.00 6560.50
1988 1328.50 953.00 898.50 517.50 292.50 18.00 0.00 4.50 240.50 439.50 905.00 1313.00 6910.50
1989 1445.00 1354.50 757.00 455.50 279.00 106.00 0.00 30.50 207.00 541.00 829.00 1310.00 7314.50
1990 1212.00 1076.50 753.00 432.50 346.00 66.50 4.50 18.50 82.00 525.00 863.00 1518.00 6897.50
1991 1524.00 998.00 859.50 632.50 310.50 56.00 5.00 6.50 227.00 598.00 1029.50 1369.50 7616.00
1992 1335.00 970.00 797.50 444.50 235.00 98.50 46.50 77.50 247.00 562.00 1073.00 1315.50 7202.00
1993 1425.50 1231.50 890.50 663.50 343.50 172.50 117.50 93.00 300.50 554.00 1066.00 1237.00 8095.00
1994 1046.50 1016.00 735.00 510.00 199.50 62.50 8.00 18.50 223.50 652.50 1099.50 1170.50 6742.00
1995 1197.50 869.50 814.00 672.50 517.00 201.50 78.50 53.00 268.00 691.00 903.50 1168.50 7434.50
1996 1369.00 1044.50 872.50 618.00 369.00 104.00 1.00 73.00 366.50 590.00 867.00 1065.50 7340.00
1997 1226.00 1015.50 972.00 802.00 201.50 l 116.00 62.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4194.00
Period of Record Statistics
MEAN 1296.37 1032.50 878.67 608.80 351.04 116.74 17.78 37.35 241.30 593.27 946.81 1264.07 7338.16
S.D. 161.25 117.13 102.76 111.23 78.07 60.57 27.37 34.25 76.43 84.58 89.42 133.23 515.37
SKEW 0.59 0.86 0.47 -0.01 0.09 0.07 2.35 1.03 0.06 0.66 0.68 -0.04 -0.16
MAX 1713.00 1354.50 1173.19 802.00 517.00 242.68 117.50 131.75 408.33 805.50 1168.50 1518.00 8275.50
MIN 1046.50 834.00 676.00 432.50 199.50 12.50 0.00 1.00 80.00 439.50 816.00 975.47 6313.00
NO YRS 30 31 30 30 30 31 28 30 31 29 31 31 27