BERGLAND DAM, MICHIGAN

Monthly Total Heating Degree Days

(200718)

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
1888 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 29.50 z 0.00 z 0.00
1889 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
1890 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
1891 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
1892 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
1893 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
1894 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
1895 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
1896 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
1897 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
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 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
1907 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
1908 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
1909 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 39.50 p 10.00 z 0.00 z 700.50 888.00 1461.00 3049.50
1910 1581.00 1517.00 855.00 579.00 552.00 156.00 61.50 141.00 274.00 g 0.00 z 444.50 s 1541.45 b 6983.95
1911 1623.76 b 1266.00 1071.50 791.79 b 0.00 z 62.00 114.50 114.00 340.00 716.00 1217.50 1274.00 8591.04
1912 2335.00 1732.00 1562.00 757.00 382.00 211.00 79.10 b 183.00 292.50 539.40 a 950.17 a 1407.00 10430.18
1913 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
1914 1060.00 f 1663.50 1275.00 837.00 313.50 184.50 35.00 121.42 a 245.69 a 409.72 a 1008.00 500.50 r 6093.32
1915 1660.57 a 1117.76 c 0.00 z 519.50 576.71 b 292.50 152.00 215.50 285.00 a 627.00 983.00 1416.18 a 7845.72
1916 1670.00 1618.50 1435.00 830.50 449.00 267.50 12.00 92.50 350.00 650.00 1085.00 1652.30 a 10112.30
1917 1816.00 1733.00 1288.50 941.50 613.50 268.93 b 91.45 a 151.50 354.31 a 923.00 925.00 1695.70 a 10802.39
1918 1910.12 a 1499.04 a 1077.77 a 793.50 340.00 193.00 112.50 71.50 495.00 620.50 910.50 1294.25 a 9317.67
1919 1385.18 a 1341.00 1182.50 726.72 a 424.50 61.50 34.00 108.50 292.50 757.00 1168.50 1735.50 9217.41
1920 1714.50 1423.59 a 1250.50 1014.50 436.50 154.14 a 128.00 120.50 242.00 378.00 1059.50 1312.50 9234.23
1921 1426.00 a 1249.50 1193.00 678.62 a 368.00 85.50 11.00 99.00 200.50 610.00 1185.00 1434.00 8540.12
1922 1728.00 1481.93 a 1207.00 771.96 b 224.50 146.00 117.50 115.50 235.00 593.50 887.00 1527.00 9034.89
1923 1595.00 1676.00 1550.00 856.00 404.50 95.00 c 32.50 j 170.50 b 216.00 l 645.66 b 897.50 1165.50 9055.66
1924 1865.74 d 1371.50 1346.00 840.00 636.50 259.50 124.50 168.50 399.00 427.50 1025.50 0.00 z 8464.24
1925 1635.77 a 1306.31 b 1163.00 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 4105.07
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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
1938 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
1939 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
1940 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
1941 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
1942 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 304.50 0.00 z 0.00 z 0.00 z 304.50
1943 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
1944 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
1945 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
1946 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
1947 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
1948 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
1949 877.50 n 1430.50 1314.50 670.00 360.50 63.00 43.50 79.00 350.00 519.50 1027.00 1432.50 7290.00
1950 1755.12 a 1417.50 1445.00 1062.50 496.50 154.00 112.00 227.00 294.00 525.97 a 1187.00 1577.50 10254.08
1951 1668.00 1394.00 1361.00 873.50 310.50 230.00 91.00 185.50 376.00 669.00 1264.00 1542.25 a 9964.75
1952 1593.50 1351.00 1332.50 716.00 430.50 117.00 48.50 126.00 296.38 a 840.00 1049.00 1338.00 9238.38
1953 1524.00 1346.50 1146.50 888.10 a 459.04 e 102.78 c 54.50 48.50 281.00 436.00 880.50 1355.50 8522.92
1954 1663.00 1101.50 1339.50 769.50 580.00 125.00 70.00 0.00 z 0.00 z 0.00 z 452.00 q 1418.50 7067.00
1955 1620.00 1402.00 1410.00 573.50 284.50 144.00 19.63 a 38.50 297.50 562.50 1163.00 1634.50 9149.63
1956 1529.85 a 1486.00 1361.00 899.00 489.50 107.78 c 138.00 99.50 400.00 421.50 1032.00 1390.50 9354.63
1957 1793.50 1420.50 1337.50 757.50 449.50 161.50 42.50 115.45 b 345.50 640.50 1040.00 1450.28 a 9554.23
1958 1479.00 1502.67 a 1252.00 759.00 476.50 308.89 c 112.63 a 176.81 d 302.00 601.00 976.55 a 1687.00 9634.06
1959 1854.50 1546.00 1281.00 834.00 298.50 122.00 67.50 55.50 256.50 731.71 b 1292.50 1265.50 9605.21
1960 1557.00 1431.00 1532.00 762.00 431.00 191.50 81.50 73.50 264.00 563.00 952.00 1555.50 9394.00
1961 1689.00 1261.68 c 1113.00 850.00 469.65 a 144.50 54.50 54.50 300.00 521.00 998.50 1491.50 8947.83
1962 1713.50 1531.50 1180.00 847.50 296.50 173.08 d 99.50 98.00 358.00 569.50 954.50 1536.50 9358.08
1963 1918.50 1660.00 1195.57 a 716.50 457.77 a 148.50 49.50 m 239.00 0.00 z 319.19 d 848.00 1605.50 9108.52
1964 760.00 m 1379.50 1346.00 749.00 270.00 175.00 55.28 a 219.50 297.00 617.79 c 763.50 j 1606.50 6715.57
1965 1088.50 k 578.00 r 321.50 v 563.50 i 304.46 c 189.00 119.50 151.90 a 74.00 u 580.73 a 1038.50 1296.26 d 3680.36
1966 1815.00 1398.00 1110.00 860.50 563.50 3.50 u 22.00 137.00 295.50 628.50 1080.50 1467.33 a 9377.83
1967 1571.00 1612.50 1219.50 769.50 599.00 140.00 71.00 j 205.12 a 310.50 699.00 1131.43 b 1430.28 b 9687.82
1968 1653.91 d 1627.50 1103.50 740.00 526.50 198.00 116.50 165.33 d 285.50 571.50 1046.00 1518.50 9552.74
1969 1639.00 1466.00 1430.00 757.00 449.00 350.00 107.50 48.50 313.00 753.50 1059.50 1453.50 9826.50
1970 1830.50 1602.50 1452.50 828.00 553.00 153.50 44.50 h 100.50 326.00 600.50 1047.50 1550.50 10045.00
1971 1826.00 1565.50 1452.50 899.50 606.00 74.00 h 136.50 192.00 327.50 467.50 1063.50 1493.00 10029.50
1972 1917.50 1711.00 1550.00 997.50 349.50 192.00 h 121.50 154.50 335.50 f 784.50 1091.50 1646.50 10324.00
1973 1582.50 1460.00 1026.00 837.50 618.45 a 141.50 89.50 82.00 i 375.00 329.50 j 1075.50 1562.00 8767.95
1974 1760.00 1651.00 1350.50 882.00 571.50 272.50 54.00 152.00 515.50 707.00 1016.00 958.50 i 8932.00
1975 1599.00 1402.00 1408.50 1050.50 311.00 g 190.00 69.50 117.50 449.00 401.00 j 942.00 1536.00 8764.00
1976 1770.00 1319.00 1400.00 751.00 567.50 106.50 72.00 149.50 431.50 600.00 g 1269.50 1791.00 9627.50
1977 2049.50 1438.00 1109.50 721.00 205.50 i 207.50 73.50 264.00 338.50 455.50 j 1037.50 1472.50 e 8711.50
1978 1751.00 1594.50 1413.00 875.50 501.96 e 208.27 d 110.50 93.00 252.50 498.00 g 1203.60 e 1647.00 9650.83
1979 2014.50 1727.50 1326.50 911.50 596.00 229.66 a 35.00 i 139.00 291.00 564.00 f 1068.60 e 1065.00 g 8304.25
1980 1678.50 1592.00 1439.50 784.00 323.50 242.50 69.50 83.50 370.00 748.77 e 569.50 o 1581.50 8913.27
1981 1662.00 1330.00 1214.00 747.50 428.00 h 98.50 k 82.00 61.50 314.00 f 788.50 735.00 f 1444.50 7330.00
1982 1972.50 1585.50 1345.00 940.50 304.00 319.00 59.00 184.00 391.00 610.00 1113.50 1307.00 10131.00
1983 1533.00 1211.50 1204.00 921.50 607.00 207.50 37.50 39.50 275.00 680.50 1007.50 1827.00 9551.50
1984 1805.50 1199.50 1511.50 724.50 549.50 107.00 101.00 59.50 407.00 562.00 1067.50 1499.00 9593.50
1985 1730.50 1627.50 1163.00 768.50 331.50 252.50 106.50 186.50 353.50 685.00 1212.50 1793.00 10210.50
1986 1649.50 1506.00 1274.00 669.50 318.00 231.00 85.00 183.00 343.50 682.00 1191.00 1425.50 9558.00
1987 1506.50 1209.00 1108.00 658.00 369.50 103.50 61.00 113.50 279.00 841.00 969.50 1322.00 8540.50
1988 1777.50 1701.50 1335.50 795.50 324.50 146.50 47.00 90.00 310.00 811.50 1054.00 1539.00 9932.50
1989 1512.00 1680.00 1474.50 897.00 443.50 237.00 49.00 93.50 308.50 645.00 1216.00 1837.50 10393.50
1990 1396.50 1461.50 1194.50 738.00 523.00 154.00 93.50 103.50 289.50 752.50 938.00 1507.00 9151.50
1991 1788.50 1376.00 1246.00 683.00 302.50 88.50 90.50 82.00 417.50 752.00 1211.50 1499.50 9537.50
1992 1502.50 1347.50 1334.50 882.50 395.00 261.50 197.50 198.50 340.50 698.50 1128.50 1465.50 9752.50
1993 1640.50 1482.50 1274.00 944.00 483.00 238.50 71.50 95.50 457.50 788.50 1200.50 1443.50 10119.50
1994 2025.50 1676.50 1244.50 850.50 463.00 129.00 78.00 139.50 222.00 559.50 945.50 1294.00 9627.50
1995 1532.50 1412.00 1191.50 1001.50 486.50 106.00 59.50 37.00 365.50 634.50 1325.50 1595.00 9747.00
1996 1780.50 1644.00 1548.50 1048.50 572.50 160.00 156.50 90.00 317.00 649.50 1205.00 1515.50 10687.50
1997 1727.50 1394.50 1391.00 910.00 642.50 83.00 92.00 193.00 258.00 642.50 1130.00 1267.50 9731.50
1998 1506.08 a 1004.50 1221.00 672.50 290.50 195.50 68.00 47.00 217.50 599.00 924.50 1345.50 8091.58
1999 1773.00 1249.50 1263.50 720.00 344.00 160.50 45.50 110.50 319.50 769.50 863.00 1402.00 9020.50
2000 1667.50 1326.00 1028.00 840.50 381.00 207.50 113.09 d 85.50 355.18 b 586.42 a 1008.50 1763.00 9362.19
2001 1451.50 1540.00 1341.50 742.76 a 352.37 a 182.07 a 107.50 66.50 351.72 a 669.60 a 757.00 1183.54 c 8746.05
2002 1400.00 1264.00 1542.50 841.00 471.00 i 157.00 33.50 57.00 223.00 828.50 1169.00 1412.50 8928.00
2003 1716.00 1634.50 1163.50 h 881.00 461.50 211.50 75.50 48.50 266.00 712.50 1085.50 1334.50 8427.00
2004 1815.50 1394.00 1177.50 861.00 532.00 187.50 g 112.00 233.00 172.50 618.00 941.00 1621.19 d 9477.69
2005 1772.00 1283.50 634.00 o 657.00 499.50 74.00 76.50 91.50 203.50 0.00 z 1019.00 1476.00 7152.50
2006 1287.50 1489.00 1241.00 616.00 410.50 162.50 35.00 79.00 378.50 792.80 d 692.50 g 1317.50 7809.30
2007 1534.00 1630.00 1158.00 840.00 324.00 104.50 83.00 77.00 263.00 502.50 1041.00 1577.00 9134.00
2008 1595.95 c 1672.50 1431.88 b 868.50 580.50 159.50 56.00 105.00 268.00 654.50 778.50 h 1698.28 a 9090.61
2009 1896.50 1429.00 812.00 m 828.00 476.50 260.89 b 196.91 d 178.50 179.50 811.00 859.00 1570.50 8686.30
2010 1554.50 1418.00 983.50 618.60 e 316.50 163.50 19.00 45.00 409.00 427.50 g 940.00 1524.54 c 7992.14
2011 1688.35 d 1405.50 1296.50 840.50 485.67 a 185.50 25.83 d 43.40 a 315.00 557.50 950.19 d 1336.88 c 9130.82
2012 1530.50 1280.00 618.50 l 742.50 b 300.70 a 113.08 d 10.16 b 106.50 381.35 d 459.00 k 0.00 z 0.00 z 4464.78
Period of Record Statistics
MEAN 1686.60 1457.57 1286.77 806.24 442.22 173.93 80.14 120.87 319.07 640.62 1049.29 1491.82 9518.11
S.D. 175.75 163.55 149.43 112.27 109.99 65.20 40.35 56.49 69.70 121.11 120.40 150.10 584.24
SKEW 0.65 -0.26 -0.20 0.01 0.05 0.42 0.54 0.49 0.39 -0.26 0.15 0.21 -0.02
MAX 2335.00 1733.00 1562.00 1062.50 642.50 350.00 197.50 264.00 515.50 923.00 1325.50 1837.50 10802.39
MIN 1287.50 1004.50 855.00 519.50 224.50 61.50 10.16 37.00 172.50 319.19 757.00 1165.50 8091.58
NO YRS 75 78 73 77 73 73 73 76 72 68 71 74 44