LAKE MORAINE, COLORADO

Monthly Total Heating Degree Days

(054750)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196309
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
1894 0.00 z 0.00 z 0.00 z 0.00 z 513.00 j 500.50 363.50 423.50 559.00 746.50 916.50 1306.50 4816.00
1895 1459.00 1300.00 1265.00 932.00 792.50 539.50 441.50 375.50 434.00 889.00 1114.50 1454.50 10997.00
1896 1178.00 1352.00 1252.50 906.50 662.50 378.50 335.00 324.00 524.50 881.00 1155.00 1123.50 10073.00
1897 1422.00 1333.50 1271.00 1065.00 683.00 466.50 373.00 397.00 459.50 852.00 976.03 a 1353.00 10651.53
1898 851.00 l 732.00 i 1316.31 e 912.50 806.00 438.00 317.50 340.00 514.00 893.50 1211.50 1507.50 8256.81
1899 1460.00 1387.50 1276.50 907.50 709.00 409.00 347.50 291.50 487.00 870.50 1072.50 1322.50 10541.00
1900 1288.00 1249.50 1134.00 1051.00 718.50 386.00 312.00 295.50 501.00 826.50 1010.50 1306.50 10079.00
1901 1295.80 a 1178.00 1217.30 c 697.50 g 438.50 n 398.00 231.50 352.00 491.11 c 790.00 952.50 1301.00 8207.21
1902 1342.00 1143.50 1353.00 896.00 690.00 375.00 374.00 319.50 558.33 c 698.50 f 1075.50 512.00 q 8126.83
1903 1342.50 1472.50 1216.23 a 1015.50 646.00 g 612.50 331.00 323.00 580.50 821.00 977.00 1285.50 9977.23
1904 1438.50 1035.50 714.50 i 968.33 c 804.97 a 585.50 393.00 474.50 644.00 961.50 990.50 1236.50 9532.80
1905 1253.00 1221.00 1198.00 1028.50 842.50 404.00 431.50 337.50 489.50 880.50 1079.50 1493.00 10658.50
1906 1347.50 1143.50 1287.00 973.97 a 690.50 443.50 485.50 411.78 a 582.00 910.50 1134.83 a 1154.00 10564.58
1907 1232.00 975.50 1019.00 946.00 914.50 512.50 356.50 382.50 521.00 817.37 a 1125.00 1312.50 10114.37
1908 1325.50 1184.86 a 1187.50 1048.50 736.50 f 501.00 393.50 399.50 521.00 899.50 1179.50 1334.00 9974.36
1909 1249.00 1238.50 1232.50 1060.00 864.00 464.00 298.50 360.50 623.50 827.00 1119.00 1596.00 10932.50
1910 1390.50 1365.00 1014.00 929.00 802.50 412.50 300.00 402.00 444.50 755.50 1007.00 1243.00 10065.50
1911 1160.50 1275.00 1102.00 956.50 648.00 384.00 403.00 363.50 431.00 906.00 1223.00 1550.00 10402.50
1912 1340.50 1365.00 1294.00 1076.00 739.50 558.00 332.00 373.50 665.50 875.50 1055.50 1449.00 11124.00
1913 1451.50 1325.00 1345.50 962.50 681.50 481.50 307.00 298.50 678.10 a 945.00 942.50 1473.50 10892.10
1914 1257.50 1267.50 1224.00 990.50 724.00 392.50 355.00 363.00 449.00 806.50 945.00 a 1484.50 10259.00
1915 1434.00 1173.00 1389.00 923.50 882.50 501.00 380.50 469.50 539.00 766.50 1065.50 1278.00 10802.00
1916 1324.50 1132.00 995.50 982.00 740.50 441.50 271.00 407.50 545.50 816.00 1156.00 1466.50 10278.50
1917 1400.00 1217.50 1387.00 1070.50 965.00 458.50 278.50 426.50 495.00 852.00 958.97 a 1139.00 10648.47
1918 1542.00 1145.50 1125.50 1123.00 739.00 362.50 365.00 357.50 610.50 796.00 1222.00 1409.50 10798.00
1919 1398.00 1349.00 1289.00 976.00 741.00 506.00 309.00 318.50 467.50 957.00 1134.50 1261.00 10706.50
1920 1178.50 1206.50 1301.50 1198.00 737.00 489.50 416.00 536.50 610.50 921.50 1187.00 1426.50 11209.00
1921 1314.50 1219.00 1117.50 1168.00 794.50 564.50 444.50 408.00 526.50 755.00 974.00 1142.00 10428.00
1922 1503.00 1275.50 1262.00 1067.00 771.00 394.00 340.00 367.50 485.00 833.00 1176.50 1297.00 10771.50
1923 1285.00 1362.00 1429.00 1057.00 813.00 524.00 369.00 443.00 614.42 d 1051.13 d 1128.75 b 1365.60 b 11441.91
1924 1457.00 b 1205.11 b 1536.64 b 1038.75 b 849.50 364.50 346.00 295.02 a 552.50 837.50 1099.00 1496.02 b 11077.53
1925 1569.00 1229.93 a 1207.50 996.35 d 775.00 496.00 484.00 488.00 570.50 1002.00 1266.50 1505.50 11590.27
1926 1626.98 a 1216.50 1359.00 1077.00 871.50 585.50 455.50 423.00 516.50 768.50 1125.50 0.00 z 10025.48
1927 1286.50 1201.00 1276.17 a 1022.50 671.00 534.31 a 401.00 515.63 a 580.50 815.96 c 998.00 1546.50 10849.08
1928 1331.50 1389.00 1292.70 a 1163.50 815.50 606.00 423.31 b 474.82 a 399.00 g 755.00 1127.50 1281.50 10660.33
1929 1387.25 c 335.50 u 1254.00 1064.48 a 798.00 421.50 402.50 464.50 582.50 859.00 1317.00 1300.00 9850.73
1930 1664.00 1134.50 1367.50 871.50 870.00 480.00 363.50 415.00 557.00 845.00 1151.00 1493.00 11212.00
1931 1453.00 1229.00 1374.00 1038.00 934.00 444.00 348.50 433.50 500.50 837.00 1220.00 1406.00 11217.50
1932 1643.50 1193.00 1403.00 984.50 749.50 560.50 283.50 350.50 562.50 863.00 1003.00 1498.00 11094.50
1933 1393.00 1415.50 1179.00 1075.71 b 925.50 386.00 285.50 385.50 374.50 705.00 963.00 1098.50 10186.71
1934 1321.00 1131.50 1122.50 935.50 604.50 413.50 221.50 294.50 533.50 664.00 1115.00 1297.00 9654.00
1935 1202.50 1196.00 1176.00 986.00 930.50 441.50 299.00 312.50 552.00 827.00 1104.50 1349.53 a 10377.03
1936 1425.00 1289.50 1177.00 927.00 686.00 355.00 286.00 338.50 574.00 953.00 1177.50 1378.00 10566.50
1937 1680.00 1262.00 1412.50 1085.50 741.50 473.50 310.00 273.50 506.50 791.50 1075.00 1323.50 10935.00
1938 1459.00 1299.00 1336.00 1063.00 919.00 469.50 388.50 293.00 562.00 801.50 1268.00 1371.50 11230.00
1939 1494.50 1606.50 1296.50 1038.50 817.00 516.50 299.00 452.00 497.50 863.00 1132.50 1185.50 11199.00
1940 1535.50 1350.00 1251.50 1064.50 793.50 467.50 334.50 461.50 579.00 822.00 1207.50 1242.50 11109.50
1941 1413.00 1193.00 1360.50 1158.00 777.50 623.50 474.50 457.50 597.50 949.50 1117.50 1316.50 11438.50
1942 1469.50 1496.00 1450.50 1031.50 862.00 503.00 403.00 384.50 539.00 856.50 999.00 1297.00 11291.50
1943 1375.00 1115.50 1253.00 801.50 793.00 492.50 359.00 371.00 515.50 826.50 1054.50 1290.00 10247.00
1944 1356.50 1276.00 1352.00 1121.00 802.00 474.00 445.50 384.00 551.50 827.00 1143.50 1334.00 11067.00
1945 1358.83 a 1269.50 1396.50 1295.50 847.50 419.50 186.00 0.00 z 430.56 c 815.00 1110.50 1493.50 10622.89
1946 1492.50 1269.50 1174.50 865.00 956.00 366.50 254.00 387.50 442.76 a 860.25 a 0.00 z 1139.25 a 9207.76
1947 1454.50 1192.59 a 1304.50 1080.52 a 732.00 525.50 283.00 343.00 425.00 741.93 a 1290.00 1395.50 10768.04
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 346.50 424.00 820.50 1254.00 1340.00 4185.00
1949 1590.50 1340.00 1298.50 1065.50 836.50 604.50 431.50 499.00 564.00 978.50 904.50 1266.00 11379.00
1950 1288.50 1050.00 1182.50 877.50 788.50 405.50 419.00 464.00 587.50 569.50 989.00 1162.50 9784.00
1951 1398.50 1174.00 1324.50 1047.50 725.50 585.00 245.00 344.50 476.50 847.00 1148.50 1372.00 10688.50
1952 1334.50 1329.50 1392.50 1013.50 773.00 277.00 275.50 322.00 484.50 714.50 1151.50 1349.50 10417.50
1953 1143.50 1238.00 1107.00 1064.50 848.00 328.50 274.00 379.50 427.00 795.50 1001.50 1454.50 10061.50
1954 1172.00 974.00 1272.50 754.00 690.50 348.50 257.50 346.00 513.00 708.50 966.50 1263.50 9266.50
1955 1410.00 1375.00 1276.00 965.50 770.00 517.50 300.00 369.50 457.50 702.00 1121.00 1147.00 10411.00
1956 1228.50 1376.50 1186.50 994.50 619.00 311.00 346.50 401.00 400.50 721.50 1231.50 1281.00 10098.00
1957 1404.50 994.50 1261.50 1078.00 863.50 504.00 298.50 353.50 390.00 k 802.50 1283.00 1176.50 10020.00
1958 1373.50 1117.00 1393.50 1080.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 979.00 1170.00 7113.00
1959 1059.00 f 1187.93 a 916.50 h 750.00 f 681.48 a 334.82 b 352.22 b 244.00 h 501.50 650.50 h 1051.00 1250.00 5358.95
1960 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
1961 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
1962 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
1963 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
Period of Record Statistics
MEAN 1383.97 1245.31 1266.28 1014.78 784.57 461.25 346.75 383.60 523.67 832.53 1098.66 1333.48 10673.10
S.D. 125.08 121.56 109.40 94.35 85.83 81.23 67.42 61.58 65.78 84.20 103.23 121.76 508.48
SKEW 0.27 0.14 -0.30 -0.04 0.13 0.03 0.07 0.40 0.03 -0.16 0.06 0.07 -0.42
MAX 1680.00 1606.50 1536.64 1295.50 965.00 623.50 485.50 536.50 678.10 1051.13 1317.00 1596.00 11590.27
MIN 1143.50 974.00 995.50 754.00 604.50 277.00 186.00 273.50 374.50 569.50 904.50 1098.50 9266.50
NO YRS 62 62 62 62 60 64 64 63 63 63 65 64 50