WATERDALE, COLORADO

Monthly Total Heating Degree Days

(058839)

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
1902 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 32.07 b 3.44 d 160.18 b 0.00 z 0.00 z 1025.00 1220.69
1903 1010.50 1331.00 1012.00 534.50 386.00 190.50 35.00 20.00 246.00 466.00 784.00 967.50 6983.00
1904 1175.00 802.50 739.00 500.50 327.00 170.50 48.00 22.50 159.50 664.00 931.00 1155.00 6694.50
1905 1327.50 1280.50 742.50 677.00 466.50 76.00 34.50 7.50 106.50 606.50 745.00 1109.50 7179.50
1906 931.50 907.50 1196.50 493.00 315.00 133.50 47.50 29.00 167.50 514.50 894.00 859.00 6488.50
1907 1119.00 766.50 639.00 615.50 468.50 141.00 12.00 22.50 167.00 428.00 882.00 1035.50 6296.50
1908 1022.00 0.00 z 656.50 441.00 384.00 126.21 a 20.50 40.00 117.00 543.00 900.00 1094.00 5344.21
1909 974.00 944.50 885.00 656.50 378.00 75.50 1.50 5.00 167.00 419.00 742.50 1355.00 6603.50
1910 1095.50 1004.50 481.00 387.00 329.00 63.00 4.50 29.50 95.50 367.50 646.00 1000.50 5503.50
1911 930.00 1021.00 672.00 513.00 257.50 24.83 a 19.50 36.17 d 75.50 82.50 v 353.50 r 1215.00 4764.49
1912 848.50 i 1056.89 b 1168.50 529.66 a 303.50 91.50 9.50 10.00 324.00 486.50 710.00 1059.00 5749.04
1913 1129.95 a 1188.00 868.50 470.00 256.00 58.00 10.50 j 0.00 223.97 a 499.50 644.00 1323.50 6661.42
1914 955.32 a 1033.50 778.50 534.00 269.50 42.93 a 20.50 11.50 89.50 378.50 665.50 1351.00 6130.25
1915 1186.50 867.50 0.00 z 430.50 0.00 z 156.00 60.50 0.00 z 174.00 426.00 719.50 1011.00 5031.50
1916 1343.50 0.00 z 577.50 545.00 347.50 101.00 0.00 23.50 184.50 553.35 a 925.50 1269.00 5870.35
1917 1210.50 957.50 1074.00 639.00 513.00 107.50 5.50 38.00 139.00 536.50 607.00 0.00 z 5827.50
1918 0.00 z 0.00 z 0.00 z 671.50 286.00 40.50 2.50 14.00 89.00 t 0.00 z 896.00 1087.50 2998.00
1919 0.00 z 0.00 z 0.00 z 247.00 l 263.50 0.00 z 4.00 10.50 128.00 572.50 885.50 1107.50 2971.50
1920 0.00 z 0.00 z 0.00 z 791.50 309.50 93.50 15.50 47.50 175.00 440.50 871.00 0.00 z 2744.00
1921 0.00 z 0.00 z 0.00 z 607.50 293.00 73.00 14.50 5.00 124.50 317.00 730.00 1005.00 3169.50
1922 0.00 z 0.00 z 0.00 z 619.00 320.00 61.00 20.00 0.00 75.00 395.50 831.50 1006.00 3328.00
1923 885.00 1056.50 1009.50 554.00 302.50 93.50 2.00 26.00 187.50 677.00 730.00 1087.50 6611.00
1924 1274.50 838.50 1184.50 580.00 380.50 93.00 12.00 8.50 216.00 395.50 705.00 1323.50 7011.50
1925 1173.50 734.00 683.00 402.50 244.50 61.00 10.50 22.73 a 133.50 695.00 857.00 1114.00 6131.23
1926 1217.50 805.50 878.00 573.50 296.57 a 108.00 33.00 12.00 232.00 433.50 732.00 1283.50 6605.07
1927 1012.00 907.50 948.50 567.50 281.00 149.00 20.00 90.00 261.00 490.00 715.50 1323.00 6765.00
1928 1062.50 1027.50 863.35 a 638.00 328.50 248.00 26.00 66.00 274.50 549.00 891.50 1235.50 7210.35
1929 1314.83 b 1297.33 a 900.50 650.00 377.50 121.67 c 22.45 b 3.10 a 354.60 e 588.50 1115.00 1043.50 7788.98
1930 1678.00 805.00 967.50 443.50 472.50 137.00 31.00 56.00 287.88 d 663.50 886.50 1218.00 7646.38
1931 1133.50 884.50 987.50 627.50 439.50 95.50 25.50 24.50 99.50 460.50 878.00 1053.00 6709.00
1932 1231.50 844.50 1081.00 468.00 237.00 105.50 0.00 21.00 188.00 585.00 762.00 1463.20 a 6986.70
1933 976.50 1085.50 695.00 598.50 337.50 8.79 a 0.00 18.50 64.00 332.00 680.50 731.00 5527.79
1934 864.00 874.00 734.00 442.50 86.50 8.00 0.00 13.50 144.00 0.00 z 582.93 a 913.00 4662.43
1935 935.50 0.00 z 771.38 a 584.50 476.00 88.00 0.00 z 8.00 0.00 z 507.00 616.50 k 1003.50 4373.88
1936 1141.00 1288.00 799.00 237.50 u 186.50 63.00 0.00 4.00 140.00 531.50 735.50 981.50 5870.00
1937 1605.00 963.50 863.50 578.00 157.50 137.50 0.00 z 1.00 117.50 430.00 841.50 1111.50 6806.50
1938 1074.50 917.00 742.50 0.00 z 378.00 80.50 7.50 0.00 b 64.00 432.50 943.00 1095.00 5734.50
1939 1016.50 1173.50 821.00 516.50 249.55 a 85.86 a 0.00 33.00 85.50 457.50 770.00 905.50 6114.41
1940 1437.50 922.50 668.50 524.00 243.50 37.50 7.50 13.50 91.00 396.00 911.50 1001.50 6254.50
1941 1096.00 895.50 913.00 610.00 260.00 158.50 17.50 36.50 235.00 581.50 818.00 1057.00 6678.50
1942 1281.00 1263.50 962.00 516.50 393.50 115.50 3.00 5.00 183.00 494.00 735.50 949.50 6902.00
1943 994.50 781.50 1006.50 400.00 444.00 130.50 7.50 5.00 196.50 480.00 808.00 1036.00 6290.00
1944 1133.50 1000.00 1016.50 684.00 266.50 107.00 5.50 26.50 160.00 419.00 784.50 1097.00 6700.00
1945 1060.50 949.50 815.50 762.50 356.00 214.00 13.00 22.00 303.00 448.50 737.50 1146.00 6828.00
1946 1084.50 877.50 686.00 350.50 443.50 90.50 6.50 43.50 200.50 596.50 998.00 933.50 6311.00
1947 1154.00 996.50 928.00 598.50 349.00 209.00 14.00 10.50 124.50 375.50 1048.50 1039.00 6847.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.00 81.50 477.50 882.00 1145.00 2589.00
1949 1508.00 1026.00 850.50 465.00 290.50 114.50 1.00 21.18 a 136.50 g 466.00 f 549.00 1075.50 5901.18
1950 1162.50 785.00 844.00 554.00 438.81 b 117.93 a 28.50 39.50 235.86 a 298.00 781.00 949.50 6234.60
1951 981.50 g 884.50 937.00 629.50 336.00 238.50 28.50 32.55 a 223.50 579.50 918.50 1146.50 5954.55
1952 1058.00 891.00 1067.43 a 535.00 320.50 19.00 27.00 11.50 115.50 429.50 997.50 1061.00 6532.93
1953 792.00 922.50 691.00 705.50 398.50 52.50 0.50 32.00 123.50 374.50 750.00 a 1053.48 a 5895.98
1954 974.00 649.00 962.00 408.00 304.50 44.00 4.13 a 7.50 68.00 456.50 697.50 973.00 5548.13
1955 1183.00 1127.00 940.91 d 488.33 c 259.50 150.50 0.00 3.00 156.50 391.50 908.50 1001.50 6610.24
1956 1006.00 1170.50 814.00 605.00 249.50 1.00 6.50 51.50 95.50 362.50 836.50 904.00 6102.50
1957 1288.00 783.00 852.00 728.50 413.00 109.00 1.00 33.00 248.50 507.50 924.00 872.00 6759.50
1958 1049.00 829.50 1064.50 680.50 235.50 78.10 a 21.50 9.00 142.22 c 395.00 798.50 1038.50 6341.83
1959 1170.50 1066.00 898.00 670.50 335.00 55.00 9.50 8.00 286.50 596.50 857.50 958.00 6911.00
1960 1198.50 1209.50 939.00 499.50 349.00 61.50 9.00 13.00 136.50 417.50 768.00 1097.50 6698.50
1961 1092.00 872.00 902.50 592.24 a 339.97 a 92.00 23.50 4.00 327.50 492.50 889.50 1204.50 6832.21
1962 1410.50 963.00 920.00 502.00 276.00 105.00 13.50 26.00 136.50 338.50 700.50 980.00 6371.50
1963 1434.50 720.50 851.00 493.00 202.00 47.50 2.50 9.09 b 41.50 273.00 691.50 1137.00 5903.09
1964 1023.50 1064.00 287.50 w 579.00 268.00 121.50 2.50 45.00 173.00 448.50 784.00 1016.28 a 5525.28
1965 933.00 978.00 1126.00 465.00 309.00 91.50 2.50 22.50 341.00 358.50 638.50 948.00 6213.50
1966 1188.50 1083.50 689.50 599.50 214.50 92.50 0.00 22.00 138.50 454.00 762.50 1072.00 6317.00
1967 939.00 778.00 655.50 540.50 386.47 a 174.83 a 6.00 21.00 153.00 397.00 812.50 1239.50 6103.29
1968 1071.50 905.50 716.50 642.50 367.50 46.50 11.00 24.50 191.00 399.50 883.00 1112.00 6371.00
1969 1007.00 885.50 1018.50 383.00 208.50 173.00 0.00 2.00 76.00 760.00 786.50 1007.50 6307.50
1970 1045.50 752.37 a 994.50 680.50 201.50 93.00 2.00 0.00 207.00 600.50 737.00 1001.50 6315.37
1971 1026.00 981.50 830.50 560.50 349.50 57.00 28.00 0.50 317.00 541.00 845.50 1114.00 6651.00
1972 1148.50 858.00 669.50 561.00 312.00 18.50 66.50 37.50 184.00 511.00 1007.00 1277.00 6650.50
1973 1197.00 951.00 879.00 743.50 361.50 81.00 46.50 2.00 246.50 404.50 848.00 1000.50 6761.00
1974 1256.00 879.50 790.50 574.50 201.50 82.50 0.00 45.50 262.00 422.50 833.50 1130.00 6478.00
1975 1125.50 1054.50 920.00 723.00 394.50 145.00 2.00 20.50 203.00 425.50 851.00 949.50 6814.00
1976 1149.50 799.00 910.50 535.50 327.00 101.00 2.00 25.50 197.50 574.50 840.50 966.88 b 6429.38
1977 1291.00 801.50 871.50 513.00 231.50 6.50 9.00 36.00 88.50 428.50 803.50 1007.00 6087.50
1978 1322.50 1087.50 787.50 544.00 426.00 143.50 11.00 47.50 137.00 515.50 907.50 1296.83 a 7226.33
1979 1529.50 965.00 828.50 542.00 416.00 138.50 4.00 64.50 117.00 423.00 1068.00 1081.00 7177.00
1980 1323.00 1089.50 956.72 b 665.50 382.50 45.00 0.00 17.50 115.50 484.00 752.00 796.50 6627.72
1981 964.00 879.50 807.00 373.50 361.50 60.50 12.50 14.50 59.00 534.00 661.50 988.00 5715.50
1982 1175.00 999.50 798.50 576.00 348.50 169.00 19.50 3.50 193.00 527.50 896.50 1055.50 6762.00
1983 998.00 867.00 874.50 743.50 465.00 181.00 0.50 0.00 17.00 r 70.50 z 844.50 1471.50 6445.50
1984 1257.50 960.00 892.00 757.50 261.00 117.00 0.00 1.00 240.50 670.50 798.50 1066.50 7022.00
1985 1282.50 1156.50 831.50 486.50 243.50 88.00 11.50 32.00 265.00 528.07 b 1083.00 1179.03 a 7187.10
1986 880.00 899.50 614.50 508.50 346.00 39.50 1.00 4.00 227.50 516.00 858.00 1104.50 5999.00
1987 1103.00 879.50 877.50 429.00 250.00 45.00 7.00 45.98 a 180.50 506.50 801.00 1148.50 6273.48
1988 1325.50 959.50 902.50 517.00 245.50 18.50 12.00 8.50 184.00 427.50 810.50 1150.00 6561.00
1989 1003.00 1280.00 792.00 520.50 268.00 147.50 2.00 19.00 202.00 484.50 734.00 1224.00 6676.50
1990 981.00 961.00 868.00 571.00 348.00 48.50 30.00 13.50 99.50 448.00 658.50 1263.50 6290.50
1991 1262.00 801.00 758.00 589.50 271.25 a 59.00 18.00 3.00 160.00 498.50 929.50 1046.50 6396.25
1992 1060.50 799.00 743.00 399.50 223.00 77.50 20.00 68.50 73.50 397.50 956.50 1217.00 6035.50
1993 1220.37 a 1038.00 729.00 544.29 b 240.50 116.50 19.00 33.50 242.50 566.02 b 943.50 991.50 6684.67
1994 1021.00 0.00 z 715.50 536.00 193.00 14.00 14.00 4.50 103.00 491.50 867.00 974.50 4934.00
1995 1031.50 809.00 815.50 672.50 478.00 141.00 23.50 11.00 204.00 490.00 710.50 1018.50 6405.00
1996 1201.50 962.00 918.00 521.00 298.50 41.00 2.50 13.00 233.50 452.50 841.00 1023.00 6507.50
1997 1200.50 968.50 722.50 717.50 291.50 60.00 8.50 27.00 127.50 493.00 871.00 1079.50 6567.00
1998 1020.00 894.50 895.50 606.00 243.50 177.50 2.00 3.00 65.00 493.00 691.00 1114.00 6205.00
1999 1005.78 d 614.50 f 725.06 d 0.00 z 264.00 h 98.40 e 0.00 z 11.00 235.00 492.50 602.07 a 937.50 4107.30
2000 1019.90 a 838.41 a 779.43 c 478.33 c 219.50 100.18 b 1.50 0.50 186.11 c 488.00 1041.00 0.00 z 5152.86
2001 1139.00 1068.67 d 847.50 534.31 a 298.78 b 64.00 0.00 8.55 b 108.10 a 483.82 c 718.97 a 1071.64 b 6343.33
2002 1155.00 1010.00 1101.50 491.50 363.50 36.50 0.00 32.50 150.50 666.50 894.50 1006.50 6908.50
2003 926.00 1056.50 640.00 h 479.00 299.00 108.00 0.00 10.50 184.50 310.50 857.00 1013.81 d 5244.81
2004 1013.00 984.00 594.50 502.00 230.71 e 122.00 32.50 53.50 146.00 311.50 j 808.50 1025.98 e 5512.69
2005 967.00 853.39 e 801.23 e 591.92 d 309.50 101.00 5.50 19.00 105.50 436.50 683.00 1087.00 5960.54
2006 846.00 971.50 878.50 425.50 210.50 15.50 8.00 16.50 217.50 496.50 750.50 1021.50 5858.00
2007 1242.00 989.50 631.00 561.50 239.50 55.00 0.00 0.00 124.50 374.50 734.50 1211.00 6163.00
2008 1197.50 963.50 813.00 599.50 291.50 57.50 0.00 35.50 155.50 460.00 650.00 1176.00 6399.50
2009 995.00 786.00 727.50 582.50 0.00 z 99.00 23.50 18.50 146.00 699.50 690.00 1250.00 6017.50
2010 1104.50 1040.50 769.50 544.00 388.00 51.00 15.50 4.00 66.00 369.00 792.00 941.76 b 6085.76
2011 1117.50 1056.46 b 719.00 632.59 a 406.50 43.50 0.00 a 0.00 z 0.00 z 0.00 z 325.00 q 1161.00 5136.55
2012 948.50 1077.50 562.00 393.50 385.00 27.93 a 0.00 27.00 121.03 a 570.00 736.00 1095.00 5943.47
2013 1151.00 1028.00 895.50 20.00 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 3074.50
Period of Record Statistics
MEAN 1125.88 960.01 843.09 558.29 316.84 93.06 12.56 20.42 168.07 481.00 810.30 1082.48 6494.07
S.D. 163.09 140.70 141.21 95.92 80.80 51.96 13.79 17.69 70.30 94.35 112.60 129.64 441.28
SKEW 0.81 0.54 0.18 0.15 0.15 0.58 1.51 1.18 0.52 0.48 0.26 0.53 0.21
MAX 1678.00 1331.00 1196.50 791.50 513.00 248.00 66.50 90.00 354.60 760.00 1115.00 1471.50 7788.98
MIN 792.00 649.00 481.00 350.50 86.50 1.00 0.00 0.00 41.50 273.00 549.00 731.00 5503.50
NO YRS 103 100 102 105 106 108 106 109 106 103 107 108 81