CRYSTAL FALLS 6 NE, MICHIGAN

Monthly Total Heating Degree Days

(201922)

Base Temperature = 65 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 198912
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
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 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 0.00 z 0.00 z 0.00 z 0.00
1952 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
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 0.00 z 0.00 z 0.00 z 0.00
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 806.50 310.50 173.00 114.00 123.50 393.00 566.00 1001.38 a 1489.00 4976.88
1963 1896.50 1624.00 1222.00 715.50 471.50 141.50 56.00 135.50 296.50 350.00 871.00 1651.00 9431.00
1964 1424.50 1420.00 1361.00 756.00 300.70 a 201.00 54.00 200.50 348.10 a 690.55 b 977.50 1562.50 9296.36
1965 1708.21 b 1553.50 1435.00 870.00 a 323.00 236.90 a 160.00 146.50 424.14 a 640.67 a 1036.00 1286.00 9819.91
1966 1819.00 1373.50 1140.50 895.50 614.00 145.50 49.08 a 184.50 361.00 739.00 1106.00 1511.50 9939.08
1967 1574.50 1665.00 1362.00 802.50 654.10 a 157.00 140.00 199.00 368.00 746.00 1163.00 1480.00 10311.10
1968 1754.50 0.00 z 451.50 o 734.50 521.00 217.50 117.50 181.50 274.50 592.00 1046.00 1512.00 6951.00
1969 1607.50 1436.50 1410.50 751.00 463.00 355.00 105.00 52.00 323.00 769.00 1106.00 1467.50 9846.00
1970 1851.00 1597.50 1432.00 792.00 507.00 159.00 0.00 z 0.00 z 332.00 612.00 1053.50 1529.50 9865.50
1971 1874.00 1528.50 1424.50 837.50 561.00 129.00 156.50 187.50 302.50 433.00 1029.50 1490.00 9953.50
1972 1950.50 1694.00 1452.00 972.50 351.50 223.00 121.50 136.50 396.50 793.50 1090.50 1648.50 10830.50
1973 1577.00 1473.50 964.50 818.00 553.00 156.00 67.00 92.50 361.00 489.50 1058.00 1542.50 9152.50
1974 1756.50 1635.00 1340.00 807.50 549.50 266.50 75.00 129.50 498.00 733.84 b 1007.00 1351.50 10149.84
1975 1670.50 1389.50 1406.00 993.50 329.50 160.00 65.50 115.00 446.50 645.50 939.50 1563.50 9724.50
1976 1855.50 1380.00 1359.00 745.00 547.00 109.00 63.00 155.00 431.00 863.00 1294.00 1845.50 10647.00
1977 2019.00 1456.00 1109.00 695.50 202.50 216.00 74.00 271.00 332.00 704.50 1066.50 1549.50 9695.50
1978 1724.63 a 1558.50 1350.50 871.00 394.22 a 227.00 123.00 100.00 279.50 696.50 1109.50 1686.00 10120.35
1979 1979.00 1728.50 1307.00 907.00 586.50 211.50 80.00 171.00 339.00 758.50 1117.50 1396.00 10581.50
1980 1668.50 1614.50 1426.00 770.00 324.47 a 244.00 71.50 76.50 394.50 810.00 1051.50 1610.50 10061.97
1981 1744.50 1356.00 1204.00 743.50 508.00 159.00 80.00 71.00 384.00 813.50 938.00 1479.00 9480.50
1982 2000.00 1582.00 1347.00 953.50 266.50 319.50 58.00 199.50 387.00 625.50 1109.00 1315.50 10163.00
1983 1538.50 1218.00 1190.50 885.00 597.00 188.50 32.00 39.00 292.00 665.50 1010.50 1842.50 9499.00
1984 1864.50 1203.50 1482.50 701.50 531.50 91.00 82.00 60.00 397.50 569.50 1080.00 1481.50 9545.00
1985 1759.00 1547.00 1130.00 719.00 341.50 248.00 89.50 136.00 332.00 672.50 1187.00 1802.00 9963.50
1986 1659.00 1477.50 1229.00 615.00 296.00 196.00 58.50 171.50 313.50 710.50 1201.00 1425.48 a 9352.98
1987 1520.50 1239.50 1098.50 628.50 363.00 102.00 60.00 127.00 283.50 839.50 984.50 1328.00 8574.50
1988 1725.31 b 1632.50 1260.00 745.50 322.00 117.00 32.50 84.50 310.50 825.00 1000.50 1540.00 9595.31
1989 1496.50 1614.50 1412.00 829.00 403.50 202.50 24.00 79.00 275.00 579.38 b 1202.00 1815.00 9932.38
Period of Record Statistics
MEAN 1741.43 1499.94 1302.12 798.62 435.46 191.14 81.82 134.26 352.71 676.21 1065.58 1542.91 9826.67
S.D. 161.08 145.91 134.86 95.81 124.95 62.60 36.52 55.52 57.20 123.79 91.51 153.05 498.98
SKEW -0.06 -0.52 -0.74 0.21 0.01 0.64 0.61 0.28 0.55 -0.74 0.32 0.48 -0.16
MAX 2019.00 1728.50 1482.50 993.50 654.10 355.00 160.00 271.00 498.00 863.00 1294.00 1845.50 10830.50
MIN 1424.50 1203.50 964.50 615.00 202.50 91.00 24.00 39.00 274.50 350.00 871.00 1286.00 8574.50
NO YRS 27 26 26 28 28 28 27 27 28 28 28 28 25