ROCKY FORD 2 SE, COLORADO

Monthly Total Heating Degree Days

(057167)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1893 919.00 889.50 722.50 441.00 201.50 16.50 2.50 10.50 44.50 369.00 799.44 c 942.50 5358.44
1894 1048.66 b 1134.50 673.50 350.50 91.00 22.24 a 0.00 0.00 94.50 335.50 717.00 1050.50 5517.90
1895 1181.00 1137.50 777.50 349.50 183.50 21.50 30.50 0.00 90.00 425.00 849.00 1085.00 6130.00
1896 923.00 850.50 787.50 321.50 118.50 10.50 0.00 6.00 70.00 c 446.50 867.00 905.50 5306.50
1897 1212.00 841.50 787.00 445.00 0.00 z 0.00 z 0.00 z 1.50 l 33.50 363.00 699.50 1187.50 5569.00
1898 1158.50 745.00 753.00 347.00 250.50 42.50 2.00 0.00 169.50 492.00 826.50 1264.00 6050.50
1899 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
1900 944.50 948.00 615.50 487.50 132.27 a 0.00 0.00 0.00 90.00 296.00 730.00 1004.50 5248.27
1901 1052.00 1018.50 750.00 398.50 125.50 12.00 0.00 0.00 66.50 298.50 627.50 1074.50 5423.50
1902 1094.50 761.00 721.00 350.50 82.00 14.00 1.50 0.00 a 127.50 349.00 684.00 1051.50 5236.50
1903 947.50 1137.63 a 745.00 345.50 193.00 76.50 7.00 1.00 117.50 416.00 777.50 996.00 5760.13
1904 1118.00 767.50 616.00 425.00 193.00 45.50 0.00 3.50 48.00 379.20 c 689.00 994.50 5279.20
1905 1153.50 1143.50 599.85 a 475.50 184.50 1.50 5.00 0.00 49.50 460.00 624.64 b 1149.00 5846.49
1906 928.00 834.52 e 934.13 a 228.00 k 153.28 d 11.90 a 6.56 e 3.10 a 63.62 a 465.00 b 767.50 875.50 5043.11
1907 1011.50 701.50 512.50 452.50 322.00 24.00 0.00 7.00 62.50 347.50 730.86 a 1037.00 5208.86
1908 1018.50 852.00 545.17 b 391.55 a 212.50 3.75 b 1.50 3.00 92.59 a 423.15 a 838.97 a 1068.50 5451.18
1909 959.50 869.50 802.50 459.50 259.50 26.50 0.00 0.00 69.00 357.50 701.50 1319.00 5824.00
1910 1045.22 a 937.48 a 423.50 333.50 192.50 12.50 0.00 a 5.50 35.00 290.76 b 607.24 a 984.50 4867.70
1911 820.35 d 938.50 574.00 375.00 a 110.05 a 1.61 b 0.00 11.50 13.50 467.67 b 837.00 1313.50 5462.68
1912 1416.18 a 962.00 987.50 424.50 193.20 c 43.50 1.50 0.00 z 228.62 a 389.50 705.50 1063.62 b 6415.62
1913 1122.50 1154.22 a 822.02 a 410.89 b 95.50 40.50 0.00 0.00 195.00 461.90 a 674.00 1024.00 g 4976.53
1914 969.00 942.00 719.50 405.00 143.00 7.00 0.00 0.00 41.50 326.50 654.50 1275.00 5483.00
1915 1115.50 785.04 a 936.00 308.50 329.50 45.00 13.00 5.50 53.00 341.00 651.72 a 1032.00 5615.76
1916 1208.50 791.00 512.50 429.00 171.50 14.50 0.00 3.50 110.00 377.00 809.00 1123.00 5549.50
1917 1120.50 819.50 792.50 466.50 302.50 49.50 0.00 0.50 57.50 450.50 595.50 990.00 5645.00
1918 1396.55 a 781.50 567.50 518.50 123.00 5.00 0.00 1.50 133.50 256.50 820.50 1148.00 5752.05
1919 1287.50 988.00 709.50 439.50 177.50 78.00 0.00 0.00 39.00 422.50 866.00 1124.50 6132.00
1920 971.00 843.50 726.00 599.00 149.00 15.50 1.55 a 2.50 61.00 315.50 807.00 1064.00 5555.55
1921 914.50 773.00 507.50 465.50 103.50 15.00 0.00 3.00 0.00 z 279.00 669.50 1018.50 4749.00
1922 1215.00 863.50 699.00 440.00 149.50 16.50 0.00 0.00 14.50 338.50 776.00 916.50 5429.00
1923 805.00 946.00 798.00 349.50 214.93 a 21.00 0.00 0.00 86.50 509.00 722.50 1051.50 5503.93
1924 1179.50 794.00 1003.50 434.00 245.00 18.50 0.00 0.00 111.50 288.00 685.50 1446.00 6205.50
1925 1421.50 704.85 b 492.50 258.00 114.00 1.50 1.00 0.00 61.50 523.50 858.00 969.50 5405.85
1926 1035.50 678.50 739.00 466.50 138.50 13.00 0.00 0.00 95.00 315.50 714.83 a 1123.50 5319.83
1927 987.35 a 739.50 767.00 335.50 84.50 41.50 0.00 2.50 115.50 288.50 551.00 1228.00 5140.85
1928 1013.00 888.50 626.50 475.50 185.50 55.34 a 0.00 0.00 81.00 339.50 774.00 1191.50 5630.34
1929 1095.00 1083.00 670.50 386.00 158.50 6.50 0.00 0.00 98.00 368.00 949.50 1014.00 5829.00
1930 1428.50 622.00 794.50 222.50 216.50 6.00 7.00 0.00 52.50 381.00 838.00 1295.00 5863.50
1931 1120.50 728.00 822.50 427.24 a 230.00 0.00 0.00 0.00 19.00 273.50 897.00 982.04 c 5499.78
1932 1147.50 652.00 848.50 316.55 a 65.00 6.00 0.00 0.00 65.50 432.00 689.50 1377.00 5599.55
1933 924.00 960.00 642.00 526.00 202.50 6.50 0.00 6.50 36.00 361.67 a 735.00 858.00 5258.17
1934 945.50 a 844.50 720.00 385.50 75.00 1.50 0.00 0.50 110.00 243.00 658.00 970.00 4953.50
1935 928.45 a 809.00 588.50 430.50 288.00 20.50 0.00 0.00 98.50 355.50 835.50 1067.50 5421.95
1936 1080.50 1148.50 663.00 382.00 121.50 3.62 a 0.00 0.00 z 127.50 472.00 746.00 1028.00 5772.62
1937 1388.50 874.50 819.00 413.00 123.00 56.00 0.00 0.00 51.00 371.50 804.50 1098.00 5999.00
1938 1019.50 795.50 628.00 430.50 188.50 0.00 0.00 0.00 26.50 266.50 920.50 1049.00 5324.50
1939 957.00 1073.00 743.50 386.50 100.00 2.00 0.00 6.50 49.00 320.00 748.50 943.50 5329.50
1940 1503.00 846.50 646.00 438.00 139.50 17.00 0.00 0.00 21.50 229.00 793.00 972.50 5606.00
1941 991.00 760.50 743.00 384.00 105.50 28.50 0.00 0.00 94.00 350.00 666.00 1033.00 5155.50
1942 1187.00 968.00 749.50 288.00 156.50 22.00 0.00 3.00 86.50 369.50 600.50 983.00 5413.50
1943 1008.00 677.50 775.50 205.50 203.00 9.50 0.00 0.00 67.00 425.00 742.50 1139.50 5253.00
1944 1175.50 881.00 750.50 554.00 151.00 16.00 0.00 5.00 51.50 319.00 675.50 1024.50 5603.50
1945 1086.00 794.00 572.00 481.00 129.00 40.50 0.00 4.00 122.00 306.50 685.50 1174.50 5395.00
1946 998.00 716.50 551.50 178.50 211.50 24.00 0.00 8.00 63.50 387.00 1012.00 869.00 5019.50
1947 1065.00 956.00 789.00 425.00 166.00 41.00 0.00 0.00 36.00 234.50 880.00 1018.00 5610.50
1948 1193.50 1080.00 984.50 240.50 126.50 6.00 0.00 0.00 31.50 358.50 810.00 959.50 5790.50
1949 1343.00 892.00 651.50 368.00 117.00 26.50 0.00 0.00 31.00 369.50 536.00 949.00 5283.50
1950 984.00 687.50 689.50 322.78 c 170.00 12.50 0.00 2.00 70.50 158.00 767.00 919.50 4783.28
1951 1104.50 791.00 775.50 470.50 130.50 57.00 0.00 6.00 87.00 383.00 824.50 1025.00 5654.50
1952 929.00 819.00 790.00 387.50 144.50 0.00 1.50 0.00 41.50 359.71 b 905.50 1061.00 5439.21
1953 797.00 845.00 602.00 450.50 257.50 1.00 0.00 0.50 26.50 289.50 667.50 1032.50 4969.50
1954 979.00 573.00 753.00 224.00 167.00 10.50 0.00 0.00 30.00 358.50 649.00 949.50 4693.50
1955 1073.00 993.00 690.00 339.00 133.50 39.50 0.00 0.00 53.00 297.00 781.50 919.00 5318.50
1956 987.50 1035.00 670.00 443.00 77.50 0.00 0.00 6.50 21.00 253.50 803.50 927.00 5224.50
1957 1136.50 665.50 728.50 490.50 173.00 30.50 0.00 0.00 79.50 295.50 788.50 826.00 5214.00
1958 1081.00 798.50 924.50 464.50 67.50 2.00 0.00 0.00 41.00 321.50 709.00 933.50 5343.00
1959 1188.50 863.00 706.50 424.00 85.50 4.00 0.00 0.00 116.00 437.00 771.00 925.50 5521.00
1960 1266.50 1229.00 852.00 291.50 132.00 5.50 3.50 0.00 47.00 329.50 677.00 1189.50 6023.00
1961 1108.52 b 799.50 689.50 432.50 130.00 14.50 0.50 0.00 137.00 370.00 819.00 1195.50 5696.52
1962 1325.00 778.50 842.00 326.50 77.50 15.50 0.00 0.50 37.00 260.50 698.00 944.00 5305.00
1963 1357.50 723.00 655.50 271.50 63.50 3.50 0.00 0.00 18.50 143.00 634.50 1171.00 5041.50
1964 1003.50 1024.50 802.00 431.00 154.00 22.50 0.00 7.00 80.00 333.00 698.00 950.00 5505.50
1965 901.00 908.50 990.00 306.00 127.00 15.50 0.00 2.00 157.00 315.00 595.00 952.50 5269.50
1966 1306.50 1026.00 599.00 351.50 97.50 3.50 0.00 4.50 15.00 353.50 677.50 1113.00 5547.50
1967 938.00 765.50 510.00 260.50 212.00 17.00 0.00 12.00 55.00 321.50 748.50 1163.00 5003.00
1968 1067.50 864.50 660.50 473.50 209.00 6.50 0.00 8.00 50.00 296.50 811.50 1148.00 5595.50
1969 932.00 788.00 991.00 285.50 114.00 38.50 0.00 0.00 16.50 555.50 740.50 998.50 5460.00
1970 1105.00 714.00 873.50 466.00 94.50 44.00 0.00 0.00 100.00 490.00 687.50 918.00 5492.50
1971 1049.50 829.50 661.50 371.00 161.00 0.00 0.00 0.00 164.50 367.50 732.50 958.50 5295.50
1972 1057.00 767.50 485.00 301.00 142.50 0.00 8.00 5.00 60.00 333.00 995.50 1295.50 5450.00
1973 1114.50 783.50 685.00 537.50 185.00 14.50 0.00 0.00 112.00 274.50 755.00 1026.50 5488.00
1974 1277.00 770.00 529.00 361.00 58.50 12.50 0.00 0.00 114.50 270.50 716.00 1119.00 5228.00
1975 1081.00 878.50 699.50 414.00 162.00 23.00 0.00 0.00 118.00 323.50 853.50 892.50 5445.50
1976 1063.50 663.00 698.00 340.50 147.00 15.50 0.00 1.50 80.50 456.00 835.00 979.50 5280.00
1977 1177.00 795.93 a 684.00 328.00 39.50 0.00 0.00 0.00 15.50 321.00 709.50 900.50 4970.93
1978 1229.00 1049.00 611.00 276.50 210.50 28.00 0.00 3.00 44.50 310.50 746.50 1195.50 5704.00
1979 1466.00 840.00 636.50 365.00 214.50 32.00 0.00 0.00 41.50 263.00 895.50 965.50 5719.50
1980 1208.00 835.00 781.50 531.00 204.50 0.50 0.00 0.00 30.00 408.00 732.50 796.00 5527.00
1981 952.50 793.00 636.50 197.50 147.00 1.50 0.00 0.00 22.50 300.50 609.50 1019.50 4680.00
1982 1054.50 1023.00 635.50 369.00 141.50 21.50 0.00 0.00 48.00 367.50 772.50 995.50 5428.50
1983 1041.50 765.00 710.50 534.00 216.50 26.00 0.00 0.00 34.50 288.50 707.00 1385.00 5708.50
1984 1191.50 833.50 783.00 519.00 115.50 2.50 0.00 0.00 117.50 417.50 694.50 928.50 5603.00
1985 1307.00 1008.00 623.50 306.50 101.00 10.00 0.00 0.00 146.00 359.00 860.00 1118.50 5839.50
1986 781.20 a 738.00 494.50 272.50 115.50 9.00 0.00 0.00 61.00 382.00 728.50 1056.50 4638.70
1987 1050.50 749.00 774.50 335.50 101.50 1.50 1.00 6.50 66.00 344.00 745.00 1101.50 5276.50
1988 1329.50 902.50 697.50 401.00 137.50 4.50 0.00 0.00 60.00 321.00 649.00 1030.00 5532.50
1989 962.50 1081.00 532.00 307.00 98.50 28.00 0.00 0.00 101.00 332.00 706.00 1166.00 5314.00
1990 1010.00 847.00 660.50 338.00 188.00 3.00 5.50 1.00 23.00 309.00 615.50 1210.00 5210.50
1991 1108.50 718.50 601.50 367.00 81.50 0.50 2.50 0.00 46.00 341.00 879.00 1023.00 5169.00
1992 1013.50 724.50 575.00 260.00 81.00 34.50 0.00 11.50 32.00 314.00 946.50 1187.00 5179.50
1993 1139.00 971.00 673.50 359.50 138.50 11.00 0.00 8.50 93.50 378.50 975.50 938.50 5687.00
1994 984.50 834.00 551.00 355.00 85.50 0.00 0.00 0.00 53.00 337.50 700.00 910.00 4810.50
1995 957.50 693.00 624.50 482.00 236.00 29.50 1.00 0.00 92.50 367.00 635.00 971.00 5089.00
1996 1077.00 810.00 709.50 300.50 52.50 0.00 0.00 0.00 77.50 276.00 701.00 948.00 4952.00
1997 1083.50 805.50 545.50 499.50 99.00 4.50 0.00 0.00 33.50 384.00 827.50 1206.50 5489.00
1998 984.00 734.50 702.50 399.50 62.50 24.50 0.00 0.00 9.50 263.00 613.00 1029.50 4822.50
1999 840.00 603.00 547.50 419.00 146.00 10.00 0.00 0.00 89.00 319.50 541.00 941.00 4456.00
2000 908.50 645.50 568.50 265.50 94.00 3.50 0.00 0.00 74.00 316.00 924.50 1096.00 4896.00
2001 1117.00 849.50 675.50 259.50 130.50 3.00 0.00 0.00 25.00 291.50 611.50 977.50 4940.50
2002 986.50 801.50 727.50 234.00 86.50 0.00 z 0.00 0.00 50.00 445.00 719.00 994.50 5044.50
2003 872.50 920.50 584.50 246.50 94.50 20.50 0.00 1.00 62.50 214.50 756.00 963.50 4736.50
2004 988.50 859.50 461.00 351.00 62.00 10.50 5.50 9.00 64.50 322.00 797.50 954.00 4885.00
2005 1005.00 760.00 709.00 390.00 156.50 17.00 0.00 1.00 11.00 265.50 590.00 1030.50 4935.50
2006 822.00 813.50 614.00 200.00 77.50 0.00 0.00 0.00 0.00 z 383.50 638.50 1051.00 4600.00
2007 1452.50 1051.00 490.50 394.00 76.50 10.00 0.00 0.00 20.50 246.00 632.00 1085.50 5458.50
2008 1044.50 813.50 602.00 388.00 111.50 1.50 0.00 1.00 18.50 289.50 624.00 832.00 4726.00
2009 976.50 744.50 585.50 324.50 89.00 18.50 1.50 0.00 91.50 550.00 678.50 1212.00 5272.00
2010 1094.00 944.50 665.50 324.00 176.00 8.50 0.00 0.00 11.50 292.50 712.00 928.00 5156.50
2011 1140.00 911.50 562.00 316.00 171.50 0.00 0.00 a 0.00 a 51.00 364.50 700.50 1313.50 5530.50
2012 936.00 852.00 456.00 228.00 78.50 0.00 0.00 0.00 56.00 411.50 639.00 992.00 4649.00
2013 1050.50 854.00 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 1904.50
Period of Record Statistics
MEAN 1082.12 854.03 688.61 377.33 146.54 16.65 0.94 1.74 68.05 348.23 741.91 1049.65 5367.84
S.D. 153.36 132.71 124.03 87.25 59.30 16.63 3.37 3.00 41.51 74.18 99.57 127.11 351.01
SKEW 0.66 0.59 0.38 -0.06 0.71 1.37 6.43 1.78 1.05 0.34 0.41 0.77 -0.16
MAX 1503.00 1229.00 1003.50 599.00 329.50 78.00 30.50 12.00 228.62 555.50 1012.00 1446.00 6205.50
MIN 781.20 573.00 423.50 178.50 39.50 0.00 0.00 0.00 9.50 143.00 536.00 796.00 4456.00
NO YRS 120 120 119 118 118 117 118 116 117 119 119 118 111