NEW LONDON, WISCONSIN

Monthly Total Heating Degree Days

(475932)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1896 0.00 z 0.00 z 1267.50 523.50 106.43 a 44.50 31.00 48.50 303.60 e 642.00 634.50 m 1246.00 4213.03
1897 1493.68 a 1178.00 1149.00 595.50 360.24 b 140.50 4.00 86.50 138.50 282.00 i 1036.00 1524.17 a 7706.09
1898 1390.50 1257.50 981.00 652.50 293.50 45.00 c 14.39 c 49.37 d 149.50 596.50 970.00 1530.00 7929.76
1899 1630.50 1588.22 a 1414.00 552.50 302.00 53.00 6.00 17.00 293.00 426.50 757.00 1375.50 8415.22
1900 1353.50 1514.00 1265.00 548.50 238.00 69.00 20.00 0.50 171.35 d 275.00 1071.21 a 1297.00 7823.05
1901 1434.30 c 89.50 z 1172.32 a 552.00 274.50 76.50 6.50 31.00 a 207.50 30.00 z 1008.00 1464.50 6227.12
1902 1008.00 j 1329.00 914.50 624.00 281.00 134.50 3.50 r 33.50 k 23.00 z 528.55 a 764.50 1412.00 5988.05
1903 1570.00 533.50 p 409.00 p 629.50 278.00 77.00 i 30.00 98.50 209.00 126.50 z 1063.50 1625.50 5504.00
1904 1769.50 1714.00 1184.00 792.50 295.00 57.50 22.00 77.00 188.00 539.00 847.50 1450.00 8936.00
1905 1715.33 a 1487.11 a 1008.50 606.00 356.50 75.00 16.00 22.50 97.50 563.50 914.50 1232.00 8094.44
1906 1288.00 1329.50 1322.00 506.00 315.00 64.00 22.50 16.50 96.00 535.00 885.00 1282.00 7661.50
1907 1564.00 1274.00 950.50 863.00 499.00 92.50 9.50 48.50 227.50 573.50 922.00 1274.50 8298.50
1908 1378.00 1323.00 1024.50 586.00 271.00 95.00 19.63 a 47.00 i 98.50 444.50 391.50 p 1373.50 6613.63
1909 1450.50 1207.00 1135.50 778.50 330.50 61.50 16.00 14.50 185.00 592.00 744.00 1524.00 8039.00
1910 1511.00 1411.00 704.50 513.50 378.00 95.50 2.00 13.50 187.50 416.50 1071.00 1451.50 7755.50
1911 1523.00 1129.50 976.00 646.50 197.50 18.00 22.00 47.00 195.00 581.50 1120.50 1165.00 7621.50
1912 2066.00 1496.50 1321.00 570.50 282.50 89.50 28.50 81.50 197.00 482.50 864.00 1209.50 8689.00
1913 1462.50 1446.50 1188.50 559.50 330.50 71.00 24.00 16.00 o 231.21 a 556.85 d 794.00 1072.50 7737.06
1914 1280.00 1549.50 1117.00 692.00 212.50 103.00 9.00 54.50 187.00 359.50 910.50 1560.00 8034.50
1915 1578.50 1108.50 1142.00 385.00 451.50 171.50 62.50 119.50 173.50 485.50 872.00 1347.50 7897.50
1916 1493.00 1497.50 1271.00 623.50 326.50 153.50 0.50 38.00 271.00 537.50 969.00 1550.50 8731.50
1917 1685.50 1606.50 1129.50 694.50 424.00 150.00 17.00 69.00 227.50 803.00 868.50 1559.50 9234.50
1918 1843.50 1367.50 899.00 702.50 205.50 47.00 32.00 11.50 308.00 450.50 812.00 1102.00 7781.00
1919 1301.00 1193.50 1009.50 596.50 345.50 20.00 1.50 37.00 122.50 540.50 1023.50 1655.50 7846.50
1920 1753.00 1432.50 1065.00 782.50 308.00 58.00 35.00 54.50 133.50 307.00 960.00 1257.00 8146.00
1921 1304.50 1112.50 917.50 412.50 246.50 50.00 0.00 20.50 68.00 469.50 1026.50 1304.50 6932.50
1922 1617.00 1360.50 1065.50 619.50 96.00 36.50 10.50 34.50 165.00 460.00 748.50 1395.50 7609.00
1923 1407.00 1480.50 1289.50 681.00 277.50 33.50 3.50 67.00 207.50 532.50 801.72 a 1020.50 7801.72
1924 1981.50 1270.30 a 1139.50 667.00 451.00 113.00 54.50 46.50 307.00 352.00 889.00 1618.50 8889.80
1925 1479.00 1165.00 923.50 333.00 292.50 57.50 20.50 11.00 120.50 748.13 a 927.00 1436.50 7514.13
1926 1419.00 1182.50 1270.50 792.00 86.00 s 114.50 11.50 10.00 203.28 a 551.50 1055.50 1460.50 8070.78
1927 1499.00 1111.50 861.00 608.50 339.50 113.50 20.00 56.50 181.50 404.00 890.50 1482.50 7568.00
1928 1373.00 1266.50 1037.50 763.50 201.50 113.50 6.50 32.50 217.50 426.50 807.00 1188.85 a 7434.35
1929 1788.50 1503.92 b 957.68 c 524.00 394.50 113.50 13.50 37.00 178.00 478.50 985.86 a 1344.00 8318.96
1930 1650.50 1095.00 1048.50 550.50 241.00 29.00 11.50 7.50 125.00 538.88 a 756.50 1284.00 7337.88
1931 1215.50 944.22 a 1012.00 518.00 290.00 33.50 3.50 38.75 a 48.00 333.50 670.50 1036.50 6143.97
1932 1244.50 1211.50 1242.00 636.50 267.50 7.00 19.00 10.00 175.96 d 549.00 978.62 a 1354.50 7696.08
1933 1168.00 1328.50 1084.50 644.00 245.00 21.00 1.50 15.00 75.00 543.53 a 1002.00 1383.50 7511.53
1934 1231.00 1342.00 1136.00 637.76 a 132.50 8.89 c 13.00 100.00 198.00 425.50 773.50 1453.50 7451.65
1935 1610.50 1214.50 1012.50 667.50 401.50 126.50 0.00 48.00 179.00 493.00 975.50 1382.50 8111.00
1936 1686.00 1773.00 1028.50 767.50 136.50 81.50 0.00 11.00 132.00 623.50 1025.50 1262.50 8527.50
1937 1624.40 a 1391.50 1159.00 654.50 231.00 47.07 a 3.00 4.65 a 209.00 646.00 1005.00 1439.50 8414.62
1938 1507.00 1133.00 844.50 525.00 278.50 50.50 5.00 22.00 172.00 346.50 885.50 1377.43 a 7146.93
1939 1321.24 b 1410.00 1108.50 694.00 188.50 51.50 8.00 14.50 177.00 533.50 859.50 1058.50 7424.74
1940 1617.00 1185.38 a 1167.00 650.50 320.00 43.00 18.08 a 66.00 152.00 434.50 990.00 1297.50 7940.96
1941 1401.00 1297.50 1211.50 406.50 163.02 b 55.00 8.50 23.00 133.50 436.00 786.21 a 1092.00 7013.72
1942 1429.50 1255.50 934.50 397.50 274.00 60.50 21.00 39.78 a 263.50 467.58 a 923.00 1457.50 7523.87
1943 1579.00 1265.50 1245.50 700.96 d 305.00 68.00 3.50 19.50 274.66 a 492.50 1008.00 1284.50 8246.62
1944 1194.00 1229.00 1194.00 715.50 185.50 43.50 3.50 2.50 128.00 456.50 747.00 1410.50 7309.50
1945 1558.50 1256.00 705.00 548.00 362.50 130.34 a 25.50 21.00 213.50 550.00 936.50 1491.50 7798.34
1946 1419.00 1279.50 728.00 460.50 293.00 113.00 4.00 38.50 161.00 363.00 840.50 1256.50 6956.50
1947 1333.00 1334.00 1080.50 682.00 433.00 118.00 18.00 7.00 195.50 227.50 1067.00 1378.00 7873.50
1948 1679.50 1425.50 1142.00 471.00 301.50 63.10 a 11.00 15.50 a 116.00 459.46 c 530.50 h 1343.50 7028.07
1949 1428.00 1305.00 1092.50 585.00 246.00 33.00 2.58 a 23.00 245.50 388.50 907.76 a 1308.41 b 7565.26
1950 1536.50 1332.00 1242.50 833.50 305.19 b 76.00 44.00 103.85 a 170.69 a 367.50 984.81 d 1589.00 8585.54
1951 1623.22 b 1307.50 1192.50 663.00 180.50 84.64 b 19.63 a 62.50 254.00 494.97 a 1161.21 a 1401.00 8444.67
1952 1490.00 1211.00 941.00 g 519.11 b 294.50 c 51.50 8.61 d 25.66 b 190.50 669.50 851.90 a 1238.00 6550.27
1953 1343.50 1278.15 a 1041.50 691.61 b 292.95 a 42.41 a 11.50 5.34 b 178.50 361.67 a 738.75 b 1230.50 7216.38
1954 1521.58 a 991.50 1110.50 534.83 a 431.00 60.50 9.30 a 23.00 h 160.00 540.78 d 581.00 h 1260.15 a 6620.14
1955 1495.50 1269.00 1155.50 402.93 a 174.50 6.50 h 0.00 11.00 141.00 434.00 a 1035.00 a 1496.55 b 7614.98
1956 1444.50 1348.50 a 1219.00 684.50 314.00 47.59 a 18.60 a 21.50 218.04 b 305.50 920.69 a 1263.00 7805.41
1957 1673.50 1195.00 1030.48 b 542.50 296.05 a 37.50 d 2.00 20.84 b 207.00 551.50 924.83 a 1247.50 7728.71
1958 1348.50 b 1364.50 990.50 568.00 280.60 b 131.38 a 9.62 b 25.32 a 157.00 410.50 864.50 1560.00 7710.42
1959 1704.50 1422.50 1202.80 a 588.00 163.27 a 34.66 a 15.50 0.00 b 163.97 a 627.00 1156.80 e 1115.00 8193.99
1960 1357.00 1256.50 1362.00 538.00 298.50 64.00 33.00 21.50 199.50 547.00 848.50 1394.00 7919.50
1961 1499.50 1072.00 974.50 680.00 332.00 65.00 13.50 7.50 q 181.00 416.50 897.00 1431.00 7562.00
1962 1639.00 1387.00 1136.00 605.50 171.50 69.50 17.50 27.00 245.00 432.00 873.50 1388.50 7992.00
1963 1817.00 1496.00 1041.00 509.00 321.00 52.50 10.50 49.50 165.00 242.50 770.50 1596.00 8070.50
1964 1320.00 1205.00 1120.00 552.00 145.00 85.00 9.50 84.00 216.50 565.50 805.00 1459.50 7567.00
1965 1565.00 1355.00 1253.00 709.50 165.50 76.50 27.50 56.00 232.00 468.00 886.50 1123.50 7918.00
1966 1739.00 1254.50 949.50 677.00 394.50 69.00 7.00 43.00 216.00 499.00 905.50 1368.00 8122.00
1967 1438.50 1480.00 1105.50 580.00 426.00 25.00 40.00 65.50 200.50 522.00 937.00 1292.50 8112.50
1968 1473.00 1377.00 801.00 518.50 306.00 58.00 21.00 46.50 111.50 424.50 884.00 1344.00 7365.00
1969 1572.50 1208.00 1191.00 526.00 249.50 180.00 16.00 2.50 185.50 550.00 951.00 1304.00 7936.00
1970 1715.50 1316.50 1126.50 569.00 254.50 35.00 11.00 15.00 148.97 a 395.50 916.50 1370.50 7874.47
1971 1714.00 1329.00 1191.00 591.50 306.50 39.50 11.50 42.50 125.00 281.50 869.50 1252.00 7753.50
1972 1668.50 1443.50 1224.50 721.50 179.50 73.00 21.00 37.00 169.00 558.00 912.00 1467.00 8474.50
1973 1345.50 1164.50 766.00 618.00 349.00 10.00 0.00 14.00 174.00 319.00 938.50 1385.50 7084.00
1974 1479.50 1291.50 1039.00 504.83 a 333.00 63.50 4.00 18.50 286.50 482.50 863.50 1227.50 7593.83
1975 1442.00 1301.50 1242.00 776.00 161.50 55.00 22.50 13.00 240.00 372.00 717.00 1323.00 7665.50
1976 1619.00 1127.00 807.50 g 481.00 298.50 10.00 0.00 38.50 211.00 627.50 1130.00 1656.50 7199.00
1977 1878.00 1214.50 838.00 414.00 89.50 91.00 1.50 54.50 129.50 506.00 908.79 a 1452.00 7577.29
1978 1662.50 1469.50 1178.50 662.40 e 235.00 72.50 24.50 13.00 123.00 532.50 929.50 1458.00 8360.90
1979 1804.00 1522.00 1064.50 656.00 314.50 65.17 a 6.00 39.00 110.50 568.33 a 927.00 1179.00 8256.01
1980 1506.50 1379.50 1170.00 532.00 205.63 a 70.00 3.00 13.50 164.00 614.00 854.00 1359.87 a 7872.00
1981 1494.50 1146.00 926.00 497.00 279.00 32.50 21.00 23.50 207.50 586.50 806.00 1332.50 7352.00
1982 1798.50 1336.00 1108.00 699.00 122.50 134.00 2.50 59.00 233.50 451.50 930.00 1134.00 8008.50
1983 1357.00 1070.00 1013.70 a 692.00 451.50 83.50 8.27 a 2.00 210.00 483.00 825.00 1690.02 a 7885.98
1984 1569.12 a 1033.00 1203.00 564.50 342.50 17.50 18.50 18.50 213.50 432.00 928.45 a 1318.02 a 7658.58
1985 1660.05 a 1350.50 876.27 a 458.00 168.50 96.00 9.50 56.50 255.00 547.50 1054.14 a 1745.30 a 8277.25
1986 1535.05 c 1334.00 1017.50 492.00 240.00 78.00 7.50 58.00 222.00 526.00 1063.00 1257.57 a 7830.62
1987 1336.00 1048.00 905.50 461.50 191.00 28.50 13.50 51.00 186.50 683.50 791.50 1140.28 a 6836.78
1988 1568.60 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 162.93 a 737.00 904.14 a 1420.50 4793.17
1989 1284.50 1516.00 1208.50 594.00 f 0.00 z 84.50 10.50 25.00 231.50 493.50 1040.69 a 1711.56 e 7606.25
1990 1235.02 c 1209.60 c 973.50 498.33 c 396.05 b 47.00 20.00 0.00 z 174.60 e 624.50 774.00 1384.48 c 7337.08
1991 991.50 m 1152.50 0.00 z 173.50 r 251.00 9.50 10.00 13.00 293.50 590.00 1121.50 1323.50 4764.50
1992 1335.00 1153.50 1104.50 717.50 316.50 168.00 95.00 158.00 0.00 z 698.02 a 1015.00 1331.50 8092.52
1993 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 26.50 349.82 b 607.50 982.50 1281.50 3247.82
1994 1840.00 1496.00 1038.50 635.00 294.00 74.50 56.00 73.00 141.50 462.50 807.00 1161.50 8079.50
1995 1443.50 1300.00 1003.00 786.00 339.00 52.50 19.50 1.50 274.50 496.52 a 1185.50 1492.00 8393.52
1996 1628.00 1425.50 1280.50 762.00 250.50 i 94.50 29.50 27.50 214.00 531.00 1132.00 1407.00 8531.50
1997 1616.50 1213.00 1123.50 684.50 216.50 r 51.00 46.50 101.50 164.50 535.50 1018.00 1162.00 7716.50
1998 1369.00 976.00 1031.50 534.50 165.00 134.00 9.00 7.50 105.50 475.50 794.50 1169.50 6771.50
1999 1635.00 1057.00 988.26 b 541.00 232.50 104.50 2.50 36.00 243.50 591.50 729.00 1296.00 7456.76
2000 1528.00 1139.59 b 772.79 c 664.00 270.50 91.00 29.00 24.50 224.50 419.00 924.50 1668.50 7755.88
2001 1350.00 1333.50 1120.00 504.00 225.00 111.43 b 21.00 10.50 236.00 556.50 649.50 1118.50 7235.93
2002 1237.50 1067.00 1221.00 641.00 434.00 74.00 3.50 9.00 120.00 665.50 958.50 1219.00 7650.00
2003 1558.00 1418.50 1077.00 671.50 332.50 91.00 16.00 13.50 202.50 546.00 917.50 1202.50 8046.50
2004 1669.50 1273.00 946.00 601.00 358.00 108.50 33.00 118.50 88.50 516.00 808.00 1341.00 7861.00
2005 1547.50 1114.50 1188.50 518.00 364.00 20.00 18.50 22.00 128.50 480.00 899.00 1452.00 7752.50
2006 1124.50 1307.50 1033.50 471.00 296.00 71.50 7.50 23.00 251.50 672.50 811.00 1145.00 7214.50
2007 1321.50 1495.76 c 936.00 661.00 220.50 48.50 18.50 30.50 158.50 372.00 925.00 1437.50 7625.26
2008 1502.50 1503.00 1208.50 601.50 370.00 47.00 9.00 30.50 141.50 552.50 921.50 1599.50 8487.00
2009 1788.50 1228.50 1100.00 651.50 203.50 l 121.00 57.00 66.50 130.00 674.00 732.50 1413.50 7963.00
2010 1485.00 1191.50 864.50 455.50 267.00 46.50 4.00 9.00 239.00 453.50 864.00 1426.00 7305.50
2011 1594.00 1302.00 1159.00 707.00 275.50 k 91.73 d 2.00 6.20 a 260.50 472.48 b 829.00 1174.38 a 7598.30
2012 1339.00 1086.00 601.00 607.50 b 138.00 g 36.35 d 5.50 32.00 246.50 427.50 h 0.00 z 0.00 z 3953.85
Period of Record Statistics
MEAN 1517.59 1296.57 1074.22 602.81 281.97 71.32 15.92 36.21 187.89 500.78 910.92 1356.32 7822.63
S.D. 179.71 155.50 151.65 105.46 85.91 37.99 14.97 29.49 56.64 107.78 112.55 156.30 507.76
SKEW 0.31 0.27 -0.56 -0.03 0.01 0.64 2.13 1.42 0.16 -0.03 0.18 0.17 -0.10
MAX 2066.00 1773.00 1414.00 863.00 499.00 180.00 95.00 158.00 349.82 803.00 1185.50 1745.30 9234.50
MIN 1124.50 944.22 601.00 333.00 89.50 7.00 0.00 0.00 48.00 227.50 649.50 1020.50 6143.97
NO YRS 113 112 111 113 108 113 114 110 115 113 112 116 92