MANASSA, COLORADO

Monthly Total Heating Degree Days

(055322)

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
1893 1114.50 1055.50 949.00 656.00 398.50 68.50 6.00 63.00 234.00 556.50 904.50 1103.94 d 7109.94
1894 1281.50 1206.50 876.50 589.00 326.50 160.00 22.00 42.50 229.00 469.00 739.00 1147.50 7089.00
1895 1219.00 1088.50 884.00 556.00 402.00 166.50 84.50 44.50 139.00 540.00 1020.00 1431.00 7575.00
1896 0.00 z 0.00 z 0.00 z 0.00 z 406.50 104.50 32.00 97.00 265.00 0.00 z 0.00 z 972.50 1877.50
1897 1723.50 1433.00 1027.00 0.00 z 122.00 i 168.00 167.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4518.50
1898 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
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 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
1901 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
1902 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
1903 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
1904 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
1905 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
1906 0.00 z 0.00 z 812.50 668.00 438.00 183.50 178.00 143.50 342.50 757.00 995.50 1152.68 a 5671.18
1907 1182.50 846.74 a 0.00 z 674.48 a 618.81 e 330.54 b 72.00 110.00 319.29 b 582.28 a 1009.29 b 1247.50 6993.42
1908 1306.28 b 1085.00 873.50 0.00 z 559.03 a 237.41 a 75.00 g 164.50 327.12 d 753.30 a 1077.41 a 1498.16 b 7881.71
1909 1168.38 b 1120.50 1041.37 d 778.50 578.67 a 180.00 c 32.19 e 80.71 b 318.89 c 479.00 f 910.80 e 1671.42 a 7881.42
1910 1353.31 b 1209.19 a 792.57 a 702.12 d 464.48 a 159.23 d 85.77 a 115.98 b 177.50 f 651.00 c 822.41 a 1217.27 a 7573.32
1911 1083.00 1070.50 858.18 a 653.57 b 434.50 180.50 117.69 d 178.80 c 226.07 b 668.64 b 1077.93 a 1187.50 g 6549.38
1912 1342.50 1186.00 936.50 795.00 a 476.88 a 263.50 102.62 b 103.50 444.31 a 667.02 a 1014.11 b 1477.67 a 8809.60
1913 1564.47 a 1146.00 989.50 646.55 a 381.09 b 196.50 67.50 48.10 b 357.50 691.82 a 870.00 a 1664.00 8623.03
1914 1404.00 1090.00 925.87 a 666.21 a 411.50 153.62 a 35.13 a 120.79 b 242.59 a 631.00 873.50 1421.00 7975.21
1915 1433.23 a 1063.00 999.23 a 621.00 531.50 179.44 c 103.00 158.00 303.10 a 625.88 b 952.24 a 1264.50 8234.13
1916 1261.70 a 998.95 a 821.50 b 674.50 440.72 a 177.93 a 42.22 b 110.00 316.00 622.21 c 971.25 b 1373.82 a 7810.80
1917 1346.00 1127.50 1127.37 a 733.97 a 619.50 173.57 b 21.70 a 140.00 190.50 616.79 b 860.50 1117.07 b 8074.47
1918 1486.40 b 1039.50 844.23 a 731.25 b 422.24 b 98.28 a 72.69 b 124.00 326.00 602.00 1090.00 1507.00 8343.59
1919 1883.00 1429.50 1170.25 a 642.50 412.82 a 240.54 b 36.54 c 6.00 238.93 b 679.42 a 1003.50 1242.00 8984.98
1920 1297.35 a 997.71 c 1009.57 a 859.00 458.28 a 198.00 77.50 d 168.20 d 389.48 a 0.00 z 997.22 c 1498.69 b 7951.01
1921 1296.00 1061.00 819.00 788.00 452.94 d 211.03 a 61.48 a 140.02 a 0.00 z 0.00 z 909.11 b 1062.27 a 6800.85
1922 1427.03 a 1068.85 b 1064.85 a 750.52 a 463.45 a 143.79 a 52.00 66.65 a 312.41 a 656.50 1063.93 b 1184.50 8254.48
1923 1239.50 1115.00 1117.50 717.41 a 424.18 a 207.00 45.98 a 176.38 b 425.69 a 0.00 z 1008.75 b 1277.95 b 7755.35
1924 1672.50 1061.00 1217.50 735.00 464.00 152.50 103.50 167.00 347.00 645.26 d 948.00 1522.10 a 9035.36
1925 1747.50 1174.50 904.50 604.14 a 193.00 0.00 z 69.23 a 191.50 337.50 687.00 1187.59 a 1430.65 a 8527.11
1926 1680.50 1032.37 a 993.07 b 669.50 490.50 201.50 140.50 166.50 242.00 591.07 a 972.50 1363.50 8543.51
1927 1175.50 952.50 1027.13 a 659.48 a 382.50 193.50 94.50 226.00 356.50 665.50 857.00 1458.50 8048.62
1928 1263.50 1169.84 a 925.35 a 742.24 a 437.00 259.66 a 102.50 201.50 345.00 595.00 1045.50 1479.73 a 8566.82
1929 1481.00 1214.50 1014.00 764.00 473.94 e 194.50 86.50 156.50 355.00 685.10 a 1223.00 1296.50 8944.54
1930 1526.50 937.50 1072.50 559.50 534.50 174.50 96.50 186.00 383.65 d 665.98 a 1136.50 1671.42 a 8945.05
1931 1523.00 1063.50 1064.50 646.55 a 512.02 a 151.55 a 49.08 a 96.50 233.50 552.83 a 1118.00 1698.00 8709.04
1932 1742.00 1002.17 c 1016.50 668.00 443.50 273.33 c 59.00 104.37 a 357.93 a 683.50 1000.34 a 1631.63 a 8982.28
1933 1618.00 1362.15 a 914.00 821.50 567.50 174.00 70.27 a 139.50 a 208.00 539.92 a 894.31 a 1318.00 8627.14
1934 1351.50 884.00 801.50 590.00 322.50 233.50 38.50 65.50 352.50 549.00 983.28 a 1270.00 7441.78
1935 1191.43 a 1018.77 b 953.00 579.00 554.50 185.50 66.50 66.81 b 330.00 634.00 1009.00 1337.65 a 7926.16
1936 1328.87 a 1049.00 932.50 650.50 392.31 b 139.00 75.43 a 98.00 375.50 658.23 a 0.00 z 1242.58 a 6941.93
1937 1557.50 1154.00 990.00 676.50 397.00 203.00 54.50 46.00 229.50 583.83 a 949.00 1176.00 8016.83
1938 1479.00 1065.00 927.50 676.00 479.50 177.00 133.50 85.50 280.50 631.50 664.00 k 1251.48 d 7186.48
1939 1661.00 1541.50 1023.50 590.50 383.00 178.00 46.50 119.00 206.00 620.50 954.50 1151.00 8475.00
1940 1610.50 1186.00 907.00 660.00 368.00 135.50 40.00 103.50 248.50 537.00 1151.50 1552.50 8500.00
1941 1793.00 1304.50 1087.50 776.00 404.50 266.50 97.00 93.50 297.50 587.00 963.50 1290.50 8961.00
1942 1508.50 1174.00 1075.50 645.00 472.00 192.00 71.50 97.00 257.00 606.00 832.50 1273.00 8204.00
1943 1395.00 987.00 935.00 508.00 399.00 169.50 43.50 26.57 c 296.50 632.00 995.50 1568.00 7955.57
1944 1635.00 1318.50 1083.50 774.00 466.50 196.00 78.00 90.50 264.00 540.43 a 982.00 1305.00 8733.43
1945 1376.00 1005.50 987.00 765.50 0.00 z 228.00 43.50 32.00 267.00 475.00 805.50 1418.50 7403.50
1946 1385.50 1084.50 926.00 744.50 547.00 95.00 41.50 73.50 208.00 625.50 1034.00 1092.00 7857.00
1947 1377.00 973.50 975.00 712.50 378.50 215.00 57.50 105.50 214.00 500.00 1057.00 1403.00 7968.50
1948 1452.00 1361.50 1260.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 187.00 i 661.50 1142.00 1233.00 7110.50
1949 1518.00 1218.50 938.00 658.00 424.18 a 196.03 a 58.00 46.00 s 0.00 z 0.00 z 916.73 d 1499.00 7426.45
1950 1507.00 953.68 c 1079.00 655.50 499.00 194.50 137.71 e 230.50 330.60 e 0.00 z 0.00 z 0.00 z 5587.49
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 566.00 1068.00 1385.00 3019.00
1952 1378.50 1234.50 1128.50 696.50 455.00 154.50 121.50 169.50 296.50 631.50 1150.00 1598.00 9014.50
1953 1208.50 1153.00 967.00 783.50 575.00 145.50 61.50 183.00 307.50 634.50 990.50 1460.50 8470.00
1954 1302.00 884.00 992.50 511.50 338.50 171.50 22.00 116.50 199.50 515.00 912.50 1336.00 7301.50
1955 1394.00 1263.50 1001.50 727.00 476.50 216.50 65.00 62.00 274.00 591.00 983.50 1111.00 8165.50
1956 1188.50 1269.00 914.00 706.00 319.00 61.00 53.50 172.00 214.82 b 609.67 a 1147.00 1350.50 8004.99
1957 1296.50 905.50 985.50 774.50 582.50 200.00 80.00 122.50 361.00 650.50 1243.50 1384.00 8586.00
1958 1434.50 1010.00 1069.50 798.00 390.00 109.00 95.00 88.00 271.00 660.50 1009.00 1165.00 8099.50
1959 1408.00 1105.00 1044.00 674.50 435.00 97.50 q 0.00 z 54.50 r 333.50 666.00 1013.00 930.00 h 6679.00
1960 1594.43 a 1394.50 963.50 655.00 457.50 164.00 90.00 95.50 282.50 677.50 946.00 1472.00 8792.43
1961 1529.00 1108.50 1005.00 767.00 373.50 h 0.00 z 0.00 z 0.00 z 217.00 n 671.00 1110.00 0.00 z 6190.50
1962 1472.00 961.15 b 1149.58 a 615.00 436.00 208.00 130.00 173.50 294.50 621.00 734.50 861.28 a 7656.52
1963 1484.50 1216.44 a 1020.42 a 649.50 362.18 a 212.50 41.00 92.00 138.50 k 493.00 964.50 990.00 i 6536.04
1964 1576.50 1148.50 1125.50 330.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4181.00
1965 0.00 z 0.00 z 0.00 z 0.00 z 344.00 h 248.04 b 39.04 d 129.54 c 336.92 d 532.96 e 823.27 d 1213.77 e 3323.53
1966 1168.00 g 1309.58 d 748.00 g 678.75 b 377.74 d 124.50 n 12.18 c 97.77 e 281.54 d 643.25 c 657.00 f 1300.28 d 4701.09
1967 1350.16 c 863.50 f 811.74 d 436.50 j 375.50 f 252.22 c 36.34 b 116.00 g 282.69 d 507.00 f 868.27 d 1473.03 b 5074.46
1968 1533.93 d 910.50 f 753.00 f 785.56 c 494.89 c 0.00 z 72.50 152.33 b 154.50 o 420.50 h 0.00 z 1392.13 d 4431.33
1969 0.00 z 1097.50 1108.25 a 606.21 a 360.78 b 272.14 b 15.50 g 23.25 c 266.90 a 773.00 985.34 a 1269.85 d 6763.22
1970 1431.68 a 923.50 1058.50 694.00 f 355.00 f 239.44 c 21.00 h 59.33 b 350.36 b 757.43 a 954.81 d 1225.02 a 7000.07
1971 1310.55 b 1158.96 e 967.72 a 730.96 d 532.17 d 140.50 f 84.22 a 92.50 351.67 c 682.00 b 1021.00 1430.28 b 8362.01
1972 1362.50 1038.50 812.00 626.90 a 458.28 a 141.67 c 50.12 a 106.43 a 250.34 a 474.76 d 1284.50 1558.78 a 8164.78
1973 1717.00 1316.50 784.50 g 836.00 485.67 d 126.50 k 112.63 a 114.50 342.78 c 490.00 g 902.22 c 1306.50 7133.80
1974 1549.48 a 1319.00 789.50 708.00 e 338.33 b 177.32 b 73.92 e 181.72 b 320.17 a 537.16 b 1035.00 b 1520.07 b 8549.68
1975 1656.90 b 1229.85 b 1005.90 b 827.31 d 533.41 b 175.50 f 57.35 a 115.50 340.00 c 630.52 c 1099.50 0.00 z 7496.23
1976 1554.00 966.13 b 997.17 a 690.54 b 446.50 217.78 c 78.05 c 168.00 331.61 b 734.59 c 1070.77 d 1523.43 c 8778.56
1977 1578.33 b 1112.00 1091.95 b 614.42 d 458.05 b 129.81 d 49.71 b 59.23 c 0.00 z 0.00 z 0.00 z 904.00 h 5093.50
1978 1222.71 e 1038.24 c 858.91 b 621.50 504.78 a 124.00 26.83 e 156.07 b 263.50 0.00 z 0.00 z 1606.50 6423.04
1979 1703.50 1389.63 a 1058.28 b 714.00 e 456.70 c 188.57 b 56.26 d 131.00 248.57 b 523.50 1188.00 1277.00 8935.00
1980 1249.00 1020.00 1014.22 a 761.67 c 494.50 125.50 31.00 86.00 232.24 a 686.50 961.55 a 1059.17 a 7721.34
1981 1215.72 a 1047.41 a 972.88 a 530.00 447.50 98.00 24.59 b 142.50 285.50 645.46 c 869.00 1291.50 7570.06
1982 1338.50 1223.00 945.00 716.00 513.00 266.50 90.00 72.00 297.50 699.50 990.00 1314.00 8465.00
1983 1329.50 1081.00 932.00 862.00 556.00 280.00 58.50 66.50 195.00 638.00 1063.50 1492.50 8554.50
1984 1838.50 1413.50 1099.00 787.00 338.50 228.00 44.50 93.50 253.50 747.00 1004.50 1307.50 9155.00
1985 1382.50 1158.50 907.50 650.00 435.00 178.50 78.00 96.50 369.00 627.00 988.00 1316.00 8186.50
1986 1175.93 a 968.00 849.00 648.00 476.00 184.50 122.50 128.50 368.00 705.50 954.00 1326.50 7906.43
1987 1494.50 1114.00 0.00 z 682.00 495.00 186.00 99.00 154.50 376.50 561.00 1060.50 1480.00 7703.00
1988 1772.50 1353.50 1032.00 673.85 d 469.50 124.00 72.00 76.00 330.50 532.50 998.50 1361.00 8795.85
1989 1456.00 1236.50 751.50 549.00 340.00 178.50 22.00 68.00 j 265.00 630.00 972.69 d 1330.00 7731.19
1990 1423.50 1024.50 843.50 617.50 456.00 79.50 100.00 149.50 226.00 611.50 972.50 1498.00 8002.00
1991 1699.50 1062.00 948.00 711.00 425.50 180.00 79.50 104.50 299.50 577.00 1167.50 1759.25 a 9013.25
1992 1864.50 1395.50 1051.50 566.00 375.00 214.00 114.00 164.50 282.50 548.00 1182.50 1661.08 a 9419.08
1993 1525.50 1204.50 978.00 678.00 190.00 o 168.00 50.00 109.00 314.50 673.50 1108.97 a 1351.00 8160.97
1994 1280.00 1089.50 853.50 639.50 356.50 78.50 53.50 46.00 298.00 641.50 1037.50 1230.50 7604.50
1995 1218.50 834.50 872.00 729.00 504.00 201.50 106.00 39.50 275.50 627.00 875.17 a 1156.00 7438.67
1996 1274.00 954.00 932.00 650.50 219.00 109.50 34.50 71.50 301.00 643.00 880.50 1206.00 7275.50
1997 1393.00 1043.00 828.50 739.00 397.50 148.50 65.00 76.00 184.00 616.50 1027.00 1602.00 8120.00
1998 1371.00 1060.50 919.00 752.50 386.00 173.50 7.50 63.00 165.50 576.00 865.00 1179.50 7519.00
1999 1123.00 903.00 781.20 a 726.43 b 468.50 195.00 e 22.00 85.54 d 311.50 592.10 a 875.17 a 1290.78 b 7374.21
2000 1145.97 a 933.00 888.50 524.46 b 264.00 82.00 13.36 b 36.00 201.00 424.50 g 1119.44 c 1242.00 6449.74
2001 1447.18 a 1027.00 904.34 b 544.66 a 306.38 a 101.54 d 24.80 a 104.76 b 229.04 d 546.12 a 940.50 1329.90 a 7506.22
2002 1334.50 1178.50 979.50 476.00 349.00 34.50 4.50 40.50 263.50 623.50 977.50 1354.00 7615.50
2003 1063.50 1037.00 609.50 i 602.00 313.00 180.00 2.00 42.50 268.50 459.50 933.60 e 1264.50 6166.10
2004 1324.00 1423.00 594.00 g 629.00 337.50 111.00 f 83.00 j 104.00 f 283.20 e 617.86 b 960.00 1322.09 d 6896.65
2005 1160.00 962.00 726.00 g 632.50 338.50 100.50 g 22.00 93.00 g 186.50 551.44 e 881.50 1226.88 e 5961.33
2006 1239.50 729.50 g 528.00 n 536.00 249.50 f 70.00 k 32.19 e 69.15 e 0.00 z 523.50 g 892.50 d 971.50 i 2769.35
2007 1091.00 j 1106.50 637.00 g 338.50 m 414.00 83.00 i 38.00 27.00 218.50 568.50 941.00 1530.00 4843.50
2008 1696.50 1285.50 994.50 671.50 428.50 159.50 29.00 81.50 280.50 599.00 961.50 1315.50 8503.00
2009 1337.50 982.00 835.50 691.50 315.00 214.00 42.50 121.50 310.00 714.50 900.50 1491.00 7955.50
2010 1375.00 1303.50 955.00 630.00 416.00 91.50 36.50 37.00 179.00 575.00 1021.00 1070.50 7690.00
2011 1348.50 1211.54 b 782.00 618.75 b 455.70 a 84.00 8.78 a 12.50 266.50 609.50 968.00 1630.00 7995.77
2012 1355.00 1130.00 784.50 513.50 318.00 38.00 21.00 48.50 255.00 a 554.00 908.00 1452.00 7377.50
2013 1660.50 1161.00 1182.13 a 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 4003.63
Period of Record Statistics
MEAN 1425.66 1124.22 967.14 672.84 433.58 175.02 63.37 105.73 286.44 616.63 991.11 1354.18 8211.73
S.D. 186.91 147.22 107.02 88.97 81.04 55.96 36.29 49.80 59.73 67.86 105.28 171.82 567.95
SKEW 0.39 0.49 0.18 -0.52 -0.18 -0.18 0.68 0.25 0.00 -0.08 0.29 0.01 -0.04
MAX 1883.00 1541.50 1260.50 862.00 619.50 330.54 178.00 230.50 444.31 773.00 1284.50 1759.25 9419.08
MIN 1063.50 834.50 751.50 330.50 193.00 34.50 2.00 6.00 139.00 459.50 734.50 861.28 7089.00
NO YRS 106 106 100 103 101 97 103 101 100 96 102 102 69