GREELEY, COLORADO

Monthly Total Heating Degree Days

(053546)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196702
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 947.64 b 1008.58 d 881.90 b 617.40 e 78.50 z 0.00 m 0.00 d 10.00 w 114.50 h 469.81 b 837.00 e 993.60 b 5755.93
1894 92.00 z 1279.92 b 694.00 f 389.50 g 90.50 s 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1279.92
1895 0.00 z 0.00 z 0.00 z 131.50 r 284.37 e 95.00 c 39.94 e 14.95 c 190.71 b 605.53 a 992.88 d 1256.05 c 3479.44
1896 1137.38 b 1021.50 959.00 523.97 a 219.00 23.28 a 4.43 c 21.00 212.50 609.31 b 1096.55 a 1083.40 b 6911.31
1897 1302.00 a 1039.00 951.00 524.00 159.65 a 77.50 35.00 18.08 a 86.25 b 486.50 883.50 1292.50 6854.98
1898 1296.66 b 853.00 961.00 0.00 z 353.00 58.45 a 12.00 1.00 179.46 b 582.50 1063.00 1353.00 6713.07
1899 1392.93 a 1576.50 1059.50 525.00 287.00 38.04 b 0.00 z 5.50 0.00 z 537.50 715.00 1218.50 7355.47
1900 1033.50 1125.50 749.00 582.50 176.50 19.00 7.75 a 4.50 182.00 402.00 816.50 1049.83 e 6148.58
1901 1179.50 1205.50 846.50 555.50 195.00 83.50 0.00 0.00 131.50 407.00 716.50 1196.60 a 6517.10
1902 1229.50 858.00 867.50 480.00 206.50 34.50 16.50 0.00 164.50 455.50 806.50 1272.66 c 6391.66
1903 1109.00 1363.70 a 947.71 c 503.50 312.00 124.62 d 8.50 3.00 208.93 b 449.50 d 857.00 1008.00 6895.46
1904 1166.50 847.00 706.05 b 475.50 250.00 82.50 18.50 13.50 94.00 430.00 734.00 987.50 5805.05
1905 1193.50 1230.38 b 666.00 568.50 326.50 13.50 11.50 3.50 52.50 598.50 783.00 1158.50 6605.88
1906 1018.50 914.50 1157.00 433.50 241.50 89.50 20.00 7.50 131.00 f 251.50 k 822.00 905.89 d 5609.89
1907 0.00 z 0.00 z 601.50 0.00 z 377.88 b 38.00 l 0.00 z 0.00 z 126.00 409.50 705.50 g 0.00 z 1514.88
1908 0.00 z 954.50 711.00 423.00 314.00 70.00 27.00 16.50 104.00 516.00 920.50 1291.50 5348.00
1909 1164.50 1003.00 853.50 627.00 306.00 49.50 1.00 0.00 128.00 412.50 745.00 1467.00 6757.00
1910 1224.50 972.00 504.50 352.50 295.50 25.71 b 0.00 c 8.55 b 86.50 394.50 714.50 1047.00 5625.77
1911 1000.00 985.50 667.50 458.50 206.00 7.50 1.50 23.00 110.00 558.00 946.00 1319.50 6283.00
1912 1286.50 1066.50 1242.00 545.00 262.50 94.00 11.00 5.00 339.50 518.50 808.00 0.00 z 6178.50
1913 1248.00 1216.00 902.50 490.50 209.50 30.00 13.00 0.00 111.50 g 532.00 699.00 1462.50 6803.00
1914 1109.00 1143.00 802.12 c 516.21 a 220.74 b 19.14 a 0.00 z 0.00 z 100.86 a 371.48 a 684.00 1351.08 a 6317.64
1915 1223.00 0.00 z 947.80 d 334.14 a 283.13 a 63.10 a 0.00 z 12.83 b 136.00 431.50 711.50 0.00 z 4143.00
1916 0.00 z 933.00 556.50 500.77 d 0.00 z 0.00 z 1.50 37.89 d 251.00 610.00 0.00 z 1104.00 i 2890.66
1917 1446.50 919.69 b 949.63 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 421.50 k 670.50 1059.50 5045.83
1918 1365.50 873.50 607.50 617.07 a 192.50 17.00 3.00 10.50 210.50 382.00 940.50 1186.00 6405.57
1919 1198.00 1086.00 789.50 495.00 238.00 75.00 0.00 a 0.00 94.66 a 630.85 a 1051.61 b 1418.52 b 7077.13
1920 1165.50 977.71 a 909.85 a 817.24 a 248.50 0.00 z 3.50 30.50 148.50 502.00 975.00 1222.50 7000.81
1921 1201.00 995.50 750.50 634.50 271.00 53.50 22.50 12.50 138.00 434.00 829.00 1189.00 6531.00
1922 1510.50 1115.50 891.50 635.00 270.00 45.00 9.00 0.00 123.50 490.00 932.00 1158.00 7180.00
1923 1014.00 1156.00 1110.00 576.50 294.50 47.00 0.00 13.00 179.50 651.00 797.00 1256.07 d 7094.57
1924 1386.50 937.50 1203.50 582.50 401.50 69.00 8.50 1.50 209.00 339.00 764.50 1542.00 7445.00
1925 1409.00 827.00 766.00 425.00 205.50 48.00 3.50 8.50 113.00 720.00 876.00 1209.00 6610.50
1926 1331.00 851.00 848.50 549.00 215.00 50.50 2.00 0.00 163.00 425.50 780.00 1412.00 6627.50
1927 1137.50 939.00 934.00 548.50 207.50 108.50 0.50 40.50 175.50 427.00 0.00 z 1387.50 5906.00
1928 1104.00 1021.50 796.50 622.00 252.00 160.50 0.00 7.50 164.50 507.50 881.50 1375.50 6893.00
1929 1320.50 1340.00 862.50 572.00 300.00 37.00 8.50 0.00 242.50 465.00 1265.50 1239.50 7653.00
1930 1741.00 826.50 951.50 342.00 338.00 38.00 7.00 4.50 119.50 524.00 865.50 1210.00 6967.50
1931 1105.50 849.00 923.50 551.00 335.00 20.00 5.00 8.00 86.00 426.00 967.50 1240.50 6517.00
1932 1306.50 914.50 1166.50 485.00 209.00 64.50 0.00 12.00 122.50 615.50 827.50 1584.00 7307.50
1933 1207.00 1223.00 781.20 a 622.00 346.50 6.00 0.00 22.50 73.00 409.00 771.50 931.50 6393.20
1934 986.50 931.50 745.00 485.50 101.00 15.50 0.00 12.50 251.00 364.00 752.50 1072.50 5717.50
1935 1114.00 901.50 794.50 596.50 468.50 75.00 b 0.00 4.00 160.50 545.00 971.50 1125.50 6756.50
1936 1235.50 1391.46 b 878.00 481.00 170.00 55.50 0.00 11.50 144.00 559.50 849.50 1148.50 6924.46
1937 1837.00 1075.50 902.50 540.50 201.50 117.50 0.00 0.00 85.00 426.50 873.00 1306.50 7365.50
1938 1232.25 a 889.78 a 712.50 521.00 301.50 31.50 0.00 0.00 66.00 365.00 991.00 1277.50 6388.03
1939 1120.50 1233.50 826.00 514.00 159.50 36.00 0.00 25.00 97.50 472.00 831.50 985.50 6301.00
1940 1539.50 977.00 724.00 569.50 207.50 58.50 9.00 6.00 91.50 400.33 b 1041.21 a 1198.50 6822.53
1941 1182.50 918.00 925.00 560.50 184.00 95.50 3.50 3.50 205.00 530.50 847.50 1255.00 6710.50
1942 1548.50 1389.50 981.50 482.00 323.00 54.00 0.00 2.50 163.00 494.50 836.00 1018.00 7292.50
1943 1114.00 828.00 1048.50 361.50 381.00 93.00 0.00 0.00 122.00 483.50 857.50 1144.93 a 6433.93
1944 1247.50 1040.50 1057.00 679.00 223.00 52.00 2.00 9.00 134.00 448.50 857.50 1256.50 7006.50
1945 1157.00 984.50 819.00 712.50 267.50 122.50 6.00 23.50 279.00 443.00 812.00 1226.50 6853.00
1946 1141.00 950.00 672.50 315.00 362.00 67.50 0.00 35.50 142.50 526.50 1087.00 1008.00 6307.50
1947 1187.00 1103.00 977.00 565.50 296.50 108.50 11.00 5.50 82.50 339.00 1022.50 1061.00 6759.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.00 69.50 511.50 926.50 1283.00 2795.50
1949 1644.00 1118.50 843.50 478.00 241.50 80.69 a 0.00 2.50 154.00 527.50 591.50 1170.50 6852.19
1950 1346.50 808.00 876.00 519.00 384.50 64.50 5.00 5.74 d 157.24 a 343.00 896.00 1003.50 6408.98
1951 1207.97 a 1043.50 934.00 639.00 256.50 137.07 a 32.00 16.00 176.79 b 547.67 a 956.00 1237.42 a 7183.90
1952 1218.30 a 953.50 1016.00 493.00 268.00 7.50 27.90 a 3.50 139.00 548.18 a 1104.00 1264.80 a 7043.68
1953 1018.50 955.50 781.00 726.50 389.50 37.50 3.50 1.50 68.79 a 391.00 788.00 1181.00 6342.29
1954 1142.00 715.00 968.50 406.50 291.00 75.50 3.62 a 13.00 91.00 535.00 803.50 1167.50 6212.12
1955 1558.00 1285.50 943.00 493.00 153.00 i 119.50 0.00 5.50 140.50 443.50 1040.00 1171.00 7199.50
1956 1092.00 1323.00 891.50 595.50 167.00 3.50 2.07 a 27.00 129.00 407.00 970.50 1063.50 6671.57
1957 1405.00 817.00 832.02 c 705.00 338.42 a 87.00 0.00 b 0.50 j 194.00 513.00 931.00 990.00 6812.43
1958 1164.57 a 886.50 1054.50 631.00 156.50 44.50 6.00 2.50 113.50 458.00 895.00 1182.50 6595.07
1959 1307.00 1156.00 882.50 611.00 250.50 36.50 7.00 5.50 212.50 622.00 968.00 1043.00 7101.50
1960 1324.50 1177.00 947.50 463.00 251.00 38.00 5.00 20.00 147.00 454.50 842.00 1221.00 6890.50
1961 1204.00 887.00 868.50 588.50 268.50 56.00 10.00 0.00 304.50 523.50 984.50 1287.50 6982.50
1962 1635.50 993.00 967.50 436.50 187.00 64.50 1.00 f 22.00 130.00 371.43 d 759.60 e 851.00 g 5567.03
1963 1656.90 b 814.50 869.00 455.50 146.50 38.50 0.00 a 4.65 a 59.48 a 252.77 e 771.00 e 937.00 i 5068.80
1964 722.00 l 1102.00 b 1024.50 567.50 212.50 72.50 0.00 41.50 145.18 b 301.00 h 548.00 j 817.50 h 3165.68
1965 799.00 f 1066.50 1145.50 438.62 a 240.00 51.50 0.00 a 15.50 358.50 245.50 i 401.50 k 806.00 h 3316.12
1966 1350.22 d 1102.00 749.00 586.55 a 214.00 62.50 0.00 16.50 75.00 354.00 g 563.50 i 822.00 i 4155.77
1967 1096.48 d 917.00 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 2013.48
Period of Record Statistics
MEAN 1257.10 1030.76 879.44 534.25 260.59 59.67 6.60 10.50 149.06 479.17 871.71 1198.22 6708.42
S.D. 187.13 170.85 149.25 95.85 71.62 34.31 9.26 10.59 64.68 88.29 123.97 146.91 427.32
SKEW 1.01 0.81 0.01 0.09 0.41 0.60 1.88 1.24 1.11 0.20 0.48 0.27 -0.33
MAX 1837.00 1576.50 1242.00 817.24 468.50 160.50 39.94 41.50 358.50 720.00 1265.50 1584.00 7653.00
MIN 947.64 715.00 504.50 315.00 101.00 3.50 0.00 0.00 52.50 252.77 591.50 905.89 5625.77
NO YRS 67 71 71 68 68 67 66 68 68 68 67 64 50