CHAMPION VAN RIPER P, MICHIGAN

Monthly Total Heating Degree Days

(201439)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201004
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
1949 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
1950 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
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 721.04 d 1275.00 1507.12 a 3503.15
1952 1564.95 c 1382.50 1319.50 768.75 b 315.50 j 142.24 a 62.52 a 124.00 c 273.10 a 836.48 a 779.50 g 1306.00 7780.04
1953 1479.45 b 1370.00 1190.40 a 920.69 a 461.00 136.50 57.50 i 71.09 b 351.00 529.07 a 943.00 1395.00 8847.19
1954 1673.48 a 1149.50 1407.50 835.00 646.00 151.50 117.50 168.50 397.50 678.00 960.00 1449.50 9633.98
1955 1609.00 1419.50 1370.20 a 611.50 322.18 c 125.00 27.50 54.25 a 339.50 587.00 1168.00 1601.50 9235.13
1956 1539.00 1450.50 1403.00 912.50 548.18 a 0.00 z 153.45 a 138.98 a 442.50 b 529.14 b 1040.50 1422.50 9580.25
1957 1833.13 a 1412.44 a 1300.00 783.00 470.50 179.00 62.00 131.00 392.50 649.00 1042.50 1432.00 9687.08
1958 1493.00 1483.50 1225.50 779.48 a 532.50 318.00 85.50 146.00 283.00 597.00 1000.00 1752.00 9695.48
1959 1847.08 a 1569.50 1279.50 823.50 308.00 157.00 85.00 53.00 285.00 773.00 1307.00 1329.00 9816.58
1960 1547.00 1450.00 1570.00 778.00 469.00 210.00 107.00 100.00 337.00 640.50 984.00 1578.00 9770.50
1961 1746.85 a 1309.00 1144.50 863.00 538.00 196.00 61.50 81.50 307.50 588.50 1006.61 b 1479.00 9321.96
1962 1735.00 1541.50 1195.00 853.50 330.50 197.50 141.50 104.00 416.00 613.00 1012.00 1512.00 9651.50
1963 1909.50 1645.00 1267.00 734.50 499.50 157.50 66.50 130.00 294.50 370.50 888.50 1633.50 9596.50
1964 1402.50 1414.50 1375.00 814.50 331.00 208.50 48.50 226.00 351.00 690.00 970.00 1569.00 9400.50
1965 1728.00 1542.50 1503.00 894.50 350.82 a 250.50 200.50 184.00 453.50 673.50 1100.50 1317.50 10198.82
1966 1707.07 a 1325.00 1114.93 b 944.00 636.00 161.00 49.00 159.00 349.00 713.00 1137.50 1496.50 9792.00
1967 1570.00 1663.50 1288.00 823.00 665.00 162.50 144.50 212.00 325.50 740.50 1177.50 1439.50 10211.50
1968 1692.00 1573.00 1125.50 752.50 535.50 238.50 128.81 b 164.50 250.00 570.00 1047.50 1461.50 9539.31
1969 1556.00 1382.00 1400.00 757.50 470.50 350.00 141.00 59.00 317.50 756.50 1064.00 1423.50 9677.50
1970 1798.50 1542.15 b 1422.00 821.00 544.50 158.50 82.00 99.89 d 313.00 575.00 1063.00 1490.00 9909.54
1971 1794.50 1488.67 a 1435.50 887.00 566.27 a 148.00 165.50 192.50 288.50 452.50 1041.00 1441.00 9900.93
1972 1851.00 1655.00 1462.50 1014.31 a 381.50 253.50 136.50 139.50 c 394.50 739.72 b 1083.00 1607.50 10718.54
1973 1512.80 a 1399.50 984.50 821.50 585.00 160.00 85.00 90.00 374.50 475.16 b 1058.00 1526.50 9072.46
1974 1699.00 1557.63 a 1348.50 807.50 557.50 257.00 59.13 d 143.00 471.50 668.00 1011.00 1325.00 9904.76
1975 1602.38 b 1346.00 1392.86 b 1048.50 330.50 160.00 93.50 144.50 447.00 582.00 941.00 1524.54 c 9612.78
1976 1692.71 b 1278.79 c 1290.00 708.00 522.50 84.50 70.00 168.71 e 346.50 807.00 1265.00 1786.00 10019.71
1977 1952.00 1435.50 1047.50 675.50 208.73 a 244.00 58.00 234.50 317.00 656.50 969.00 e 1511.00 9309.23
1978 1682.00 1547.50 1406.48 d 938.28 a 375.00 228.10 a 108.50 91.00 244.00 647.50 1066.67 c 1599.50 9934.53
1979 1878.00 1665.50 1226.50 937.50 566.00 230.00 104.00 150.00 294.50 770.50 1104.00 1343.00 10269.50
1980 1646.00 1582.50 1363.50 759.00 0.00 z 260.17 a 70.00 75.00 0.00 z 0.00 z 1069.50 1577.00 8402.67
1981 1670.50 1298.50 1183.00 754.00 561.10 a 168.00 101.00 91.00 425.50 767.00 910.00 1451.50 9381.10
1982 1929.00 1527.50 1302.50 999.50 298.50 355.50 65.00 201.50 361.00 617.00 1090.50 1302.00 10049.50
1983 1491.00 1209.00 1205.00 940.00 624.50 229.00 34.00 35.00 273.50 684.50 1017.00 1789.50 9532.00
1984 1753.50 1143.50 1458.00 727.00 522.50 116.50 104.00 68.00 412.50 575.50 1037.00 1432.50 9350.50
1985 1733.50 1523.00 1151.50 683.50 425.00 281.50 116.00 164.00 334.00 673.50 1161.50 1773.50 10020.50
1986 1622.50 1470.50 1188.50 668.00 317.00 232.00 72.00 186.50 308.00 665.50 1173.50 1353.50 9257.50
1987 1451.50 1171.00 1076.50 605.00 369.93 a 113.00 71.00 136.50 286.50 818.50 957.00 1303.00 8359.43
1988 1665.50 1607.00 1271.00 766.00 330.50 156.00 45.00 100.00 315.00 819.00 1012.50 1527.00 9614.50
1989 1428.50 1620.00 1408.00 847.24 a 446.00 251.00 65.00 122.50 310.00 641.00 1232.50 1785.00 10156.74
1990 1325.00 1346.50 1119.00 703.00 568.50 163.50 105.50 109.50 305.00 705.50 0.00 z 1471.00 7922.00
1991 1729.00 1255.50 1178.50 659.50 318.50 119.00 86.50 0.00 z 367.50 717.00 1170.00 1443.50 9044.50
1992 1484.00 1320.50 1335.50 863.50 364.00 263.50 203.50 221.00 291.50 710.00 1111.50 1436.00 9604.50
1993 1555.00 1439.00 1230.00 886.00 459.00 246.50 68.00 84.50 429.50 705.00 1146.00 1421.50 9670.00
1994 1957.00 1582.50 1187.50 815.50 426.00 161.00 0.00 z 211.50 287.50 635.50 1048.50 1305.10 a 9617.60
1995 1560.50 1448.00 1178.50 999.50 550.00 151.00 119.50 59.00 415.50 632.50 1370.00 1593.50 10077.50
1996 1752.50 1558.50 1421.00 983.50 590.00 165.50 179.50 110.00 336.50 662.00 1191.00 1471.00 10421.00
1997 1690.00 1364.00 1388.00 913.50 692.00 148.50 132.00 215.45 a 174.50 l 515.50 n 1164.00 1275.50 8982.95
1998 1522.50 1063.50 1299.50 746.00 358.00 285.00 135.00 73.00 216.00 575.50 956.50 1364.00 8594.50
1999 1817.50 1226.30 a 1218.00 770.00 396.69 d 197.00 51.50 145.70 a 358.00 763.50 903.10 a 1504.50 9351.79
2000 1706.00 1410.12 a 1093.00 943.39 b 426.52 b 258.50 148.28 a 168.43 a 427.00 622.58 a 1049.46 b 1768.19 e 10021.49
2001 1554.98 c 1128.50 i 0.00 z 501.00 l 511.50 c 265.18 b 91.85 d 68.72 a 321.67 c 524.00 h 484.00 l 480.00 r 2813.90
2002 903.00 k 718.50 l 1033.00 j 934.50 636.50 155.00 33.00 65.50 233.00 589.00 i 757.00 m 832.00 n 2057.50
2003 751.50 p 891.00 l 716.00 n 501.50 m 470.37 e 189.00 60.81 e 35.50 h 0.00 z 488.50 h 518.50 o 739.50 n 720.17
2004 963.50 o 890.00 k 1289.00 838.33 c 538.00 246.00 145.50 232.50 169.00 643.00 997.50 1556.00 6654.83
2005 1698.80 a 1337.00 1378.50 700.50 524.50 87.50 72.50 101.00 191.50 571.00 1047.50 1443.50 9153.80
2006 1302.00 1451.00 1209.50 676.00 416.50 176.00 47.00 110.00 372.00 780.00 966.00 1300.50 8806.50
2007 1585.00 1635.00 1219.50 926.00 366.00 126.00 101.00 96.00 266.50 514.50 1104.00 1526.00 9465.50
2008 1581.50 1658.50 1553.58 e 0.00 z 0.00 z 0.00 z 0.00 z 158.50 304.50 0.00 z 1089.64 b 1745.50 8091.72
2009 1951.50 1056.00 h 0.00 z 596.50 k 576.00 253.50 0.00 z 0.00 z 0.00 z 570.50 k 892.00 1562.50 5235.50
2010 1554.00 1365.00 1097.18 c 97.00 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4016.18
Period of Record Statistics
MEAN 1657.40 1437.28 1281.78 822.53 469.73 197.94 95.71 130.38 332.87 656.32 1066.55 1495.37 9653.83
S.D. 156.22 148.34 131.72 107.83 112.82 62.16 42.45 53.18 67.48 97.76 106.56 139.31 459.81
SKEW 0.02 -0.41 0.03 0.04 -0.11 0.46 0.64 0.29 -0.02 -0.43 0.65 0.57 -0.45
MAX 1957.00 1665.50 1570.00 1048.50 692.00 355.50 203.50 234.50 471.50 836.48 1370.00 1789.50 10718.54
MIN 1302.00 1063.50 984.50 605.00 208.73 84.50 27.50 35.00 169.00 370.50 888.50 1275.50 8359.43
NO YRS 56 54 55 54 55 56 54 55 54 52 54 56 44