MARQUETTE WSO AP, MICHIGAN

Monthly Total Heating Degree Days

(205184)

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
1959 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 791.50 910.00 k 0.00 z 791.50
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 621.50 1024.50 1495.00 3141.00
1962 1736.00 1558.00 1253.50 894.00 386.00 253.50 159.50 143.00 446.50 624.50 1005.00 1501.50 9961.00
1963 1905.50 1659.50 1323.00 797.50 547.00 174.00 85.50 182.50 340.00 362.50 912.00 1630.00 9919.00
1964 1380.50 1418.50 1437.50 814.50 357.50 259.50 65.00 234.00 380.50 666.50 987.00 1533.00 9534.00
1965 1704.00 1532.50 1492.50 911.00 379.00 237.50 165.50 187.50 456.00 658.50 1063.50 1271.50 10059.00
1966 1703.50 1372.00 1199.00 949.50 634.00 159.50 41.00 152.00 344.00 707.50 1091.00 1411.00 9764.00
1967 1565.00 1635.50 1310.00 842.00 665.00 165.50 122.50 185.00 304.00 710.00 1148.50 1411.50 10064.50
1968 1627.00 1567.00 1125.50 751.50 542.00 228.00 130.50 170.50 233.00 584.00 1028.00 1424.50 9411.50
1969 1505.00 1363.00 1428.50 786.50 486.00 364.50 106.00 47.00 296.50 747.00 1050.50 1383.50 9564.00
1970 1741.50 1505.50 1394.00 806.00 578.50 163.50 71.00 113.00 313.00 562.00 1017.50 1447.50 9713.00
1971 1784.50 1461.50 1419.00 874.50 576.50 118.50 153.50 178.50 270.00 424.00 1031.00 1407.50 9699.00
1972 1806.50 1605.00 1447.50 1021.00 363.50 237.50 122.50 164.50 414.50 774.00 1081.50 1590.00 10628.00
1973 1488.00 1379.50 989.50 844.50 607.00 159.00 81.00 76.00 371.00 466.50 1034.50 1494.50 8991.00
1974 1667.50 1521.50 1335.00 852.50 588.50 253.00 69.00 131.50 494.50 688.00 1005.00 1273.50 9879.50
1975 1590.00 1337.00 1358.50 997.00 325.00 163.50 69.50 112.00 448.00 605.50 940.00 1499.00 9445.00
1976 1713.00 1296.50 1290.50 736.00 540.00 102.50 57.50 140.50 388.00 821.50 1243.50 1751.50 10081.00
1977 1912.50 1418.50 1082.50 700.00 226.50 220.00 65.50 216.50 330.00 675.50 1043.00 1509.50 9400.00
1978 1659.00 1512.00 1354.50 914.00 394.00 232.00 117.00 102.00 291.00 686.00 1091.00 1574.50 9927.00
1979 1841.50 1627.50 1261.00 918.00 584.00 221.00 96.00 156.50 303.00 792.00 1085.00 1287.00 10172.50
1980 1609.00 1514.50 1357.00 779.00 347.00 277.00 55.50 71.50 369.00 820.50 1057.00 1538.50 9795.50
1981 1585.00 1305.50 1171.00 782.00 525.50 175.50 77.00 82.50 392.50 772.50 915.00 1434.50 9218.50
1982 1870.00 1482.50 1299.50 966.50 321.00 332.50 40.00 197.50 357.50 608.00 1076.50 1295.50 9847.00
1983 1456.00 1209.00 1211.50 937.00 647.00 212.00 36.00 41.00 269.00 677.50 995.00 1745.00 9436.00
1984 1738.50 1152.50 1473.50 743.00 524.50 128.50 74.50 75.50 379.50 567.00 1035.50 1436.50 9329.00
1985 1665.00 1490.50 1187.00 729.50 406.00 255.50 115.00 150.00 330.50 652.00 1163.50 1715.50 9860.00
1986 1569.50 1407.00 1198.50 691.00 339.00 255.00 76.00 174.00 356.50 691.50 1193.00 1354.00 9305.00
1987 1457.00 1179.00 1083.00 615.00 393.00 111.50 61.00 133.50 254.00 805.50 971.00 1287.50 8351.00
1988 1656.00 1572.00 1301.00 795.00 352.50 169.50 40.00 105.00 312.50 838.00 996.50 1509.50 9647.50
1989 1424.00 1587.00 1415.50 909.00 440.50 249.50 68.00 123.00 290.50 614.50 1206.50 1731.50 10059.50
1990 1333.00 1313.00 1131.00 705.00 562.00 182.00 108.50 115.00 352.00 734.00 930.50 1458.50 8924.50
1991 1706.50 1257.50 1188.50 684.00 337.50 119.50 78.50 116.00 392.00 744.50 1141.50 1402.00 9168.00
1992 1488.00 1313.00 1316.50 912.00 403.50 282.00 214.00 210.00 348.00 738.50 1099.50 1388.50 9713.50
1993 1492.50 1430.00 1221.00 917.50 481.50 238.00 40.50 80.50 453.00 767.00 1139.00 1372.00 9632.50
1994 1929.50 1605.50 1170.00 848.00 476.50 141.00 88.50 159.50 225.50 547.50 939.00 1162.50 9293.00
1995 1476.50 1400.00 1142.00 986.50 459.50 110.00 71.50 23.00 342.50 645.00 1279.50 1516.50 9452.50
1996 1691.00 1541.00 1412.50 1004.50 573.50 146.00 132.00 75.50 299.50 657.50 1147.00 1409.50 10089.50
1997 1615.50 1347.50 1358.00 875.50 628.00 91.00 116.50 198.50 280.00 654.50 1133.00 1251.00 9549.00
1998 1463.50 1026.50 1249.50 699.00 333.00 209.50 68.00 55.00 228.50 545.50 927.50 1321.00 8126.50
1999 1652.00 1219.00 1214.17 a 770.50 353.00 163.45 a 42.88 a 118.50 326.67 c 719.00 871.07 b 1373.00 8823.24
2000 1617.00 1302.00 1087.98 e 876.50 358.00 215.00 115.22 a 117.80 a 323.50 577.24 b 1009.50 1640.50 9240.24
2001 1372.50 1468.00 1279.50 701.00 365.00 203.28 a 98.00 67.50 307.50 729.05 c 754.50 1212.50 8558.33
2002 1356.00 1211.50 1464.50 871.50 620.50 157.50 37.00 66.50 215.00 839.00 1175.50 1328.50 9343.00
2003 1648.50 1593.00 1382.00 895.00 469.00 200.00 81.00 66.00 277.00 661.50 1037.50 1296.50 9607.00
2004 1765.50 1295.00 1231.00 861.00 526.50 225.50 141.50 202.50 147.00 617.00 934.00 1494.00 9440.50
2005 1637.00 1262.00 1365.00 672.50 495.00 78.00 80.50 76.50 182.00 548.00 1068.50 1442.50 8907.50
2006 1271.00 1416.50 1170.00 635.00 405.00 164.50 42.50 92.50 353.00 774.50 909.50 1225.50 8459.50
2007 1479.00 1527.50 1131.00 878.00 351.00 125.00 82.50 87.50 252.50 502.00 1094.50 1463.00 8973.50
2008 1516.50 1546.84 a 1395.50 818.50 593.50 160.50 57.00 84.00 274.50 0.00 z 1015.50 1602.00 9064.34
2009 1793.50 1375.50 1230.00 834.50 531.50 256.00 172.50 151.00 181.00 805.00 832.50 1506.50 9669.50
2010 1468.50 1276.50 938.00 600.50 334.50 187.00 23.50 51.50 416.00 590.00 948.50 1427.00 8261.50
2011 1651.50 1346.00 1255.00 850.00 466.50 202.50 35.00 40.00 314.50 554.00 945.00 1321.00 8981.00
2012 1417.00 1206.00 786.50 781.00 311.60 b 121.00 14.00 79.50 367.50 421.00 k 0.00 z 0.00 z 5084.10
Period of Record Statistics
MEAN 1611.80 1410.77 1261.14 824.21 461.01 193.28 85.53 121.18 325.37 666.00 1035.77 1442.31 9454.61
S.D. 159.26 146.60 144.06 104.15 111.15 61.39 42.32 53.54 74.81 108.43 104.43 139.47 533.65
SKEW 0.01 -0.31 -0.81 -0.20 0.09 0.37 0.80 0.21 -0.07 -0.50 -0.07 0.36 -0.58
MAX 1929.50 1659.50 1492.50 1021.00 665.00 364.50 214.00 234.00 494.50 839.00 1279.50 1751.50 10628.00
MIN 1271.00 1026.50 786.50 600.50 226.50 78.00 14.00 23.00 147.00 362.50 754.50 1162.50 8126.50
NO YRS 51 51 51 51 51 51 51 51 51 51 51 51 49