RED LAKE FALLS, MINNESOTA

Monthly Total Heating Degree Days

(216787)

Base Temperature = 65 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 7.50 110.50 212.00 458.50 1056.00 1835.50 3680.00
1915 1933.00 1274.00 1254.00 469.00 385.50 201.50 86.00 81.00 299.50 518.50 1142.00 1550.52 a 9194.52
1916 2160.18 a 1852.00 1456.50 786.00 400.50 190.00 3.00 87.00 307.00 785.50 1094.00 1944.73 a 11066.42
1917 2120.00 1923.00 1311.50 793.50 395.00 184.00 27.50 119.00 253.50 991.00 908.50 2036.50 11063.00
1918 2120.00 1592.50 915.00 650.00 406.00 100.00 56.50 32.00 438.50 552.50 990.00 1555.00 9408.00
1919 1613.50 1614.00 1418.00 654.50 320.00 67.50 5.50 31.50 204.50 918.50 1502.50 1936.50 10286.50
1920 2103.50 1706.00 1349.00 940.50 341.00 a 93.00 32.50 42.00 157.50 476.50 1149.00 1568.50 9959.00
1921 1637.00 1443.50 1440.00 713.00 333.50 88.50 5.50 49.00 332.00 597.27 a 1430.50 0.00 z 8069.77
1922 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 76.00 90.50 61.50 192.00 548.00 882.32 b 1856.00 3706.32
1923 1825.50 1821.00 1615.00 750.00 328.08 a 48.00 7.50 134.00 171.00 607.50 863.50 1349.50 9520.58
1924 0.00 z 0.00 z 0.00 z 0.00 z 653.00 142.00 40.30 a 82.27 e 319.00 363.73 a 1167.00 2083.00 4850.30
1925 1862.50 1496.50 1199.00 484.50 422.00 133.00 67.68 a 27.38 a 235.50 949.00 1095.50 1646.00 9618.57
1926 1622.00 1328.50 1345.83 b 762.41 a 230.50 0.00 z 0.00 z 53.00 327.00 0.00 z 0.00 z 0.00 z 5669.24
1927 0.00 z 0.00 z 693.88 a 0.00 z 475.00 145.50 48.00 109.50 266.00 533.00 1289.00 2046.00 5605.88
1928 1741.00 1401.00 1255.50 851.50 254.00 179.00 12.00 75.00 333.50 576.00 941.00 1371.75 a 8991.25
1929 2406.00 1817.50 1131.50 660.00 505.50 0.00 z 0.00 z 35.50 354.00 578.00 1243.00 1736.00 10467.00
1930 2139.00 1298.50 1322.50 603.50 358.00 60.00 0.00 z 20.00 275.00 657.50 0.00 z 0.00 z 6734.00
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 981.00 1431.00 2412.00
1932 1681.50 1633.00 1514.00 684.00 278.50 13.00 52.18 a 23.50 242.50 782.50 1313.00 1747.00 9964.68
1933 1750.50 1728.50 1240.50 758.00 274.00 22.50 9.50 32.50 148.50 806.00 1302.00 1932.00 10004.50
1934 1731.50 1615.00 1397.50 720.00 186.50 88.50 42.00 124.50 354.50 521.50 977.50 1747.50 9506.50
1935 2090.50 1258.50 1249.30 a 825.00 425.50 185.00 3.00 107.00 306.50 656.00 1507.50 1727.00 10340.80
1936 2311.00 2263.55 a 1419.28 a 995.00 187.00 129.00 34.10 a 38.00 213.50 765.50 1246.00 1611.50 11213.44
1937 2250.00 1705.00 1451.00 790.50 285.50 118.00 28.93 a 16.00 268.45 a 721.50 1198.00 1743.50 10576.38
1938 1935.00 1577.00 997.00 696.00 428.50 122.00 18.17 b 23.00 169.50 452.50 1312.50 1615.00 9346.17
1939 1721.50 1926.81 a 1491.32 c 775.00 193.00 125.00 19.00 39.00 268.97 a 761.00 942.00 1278.50 9541.10
1940 1935.50 506.00 s 687.00 r 807.00 345.50 113.79 a 19.50 76.50 160.50 478.00 1266.00 1531.50 6733.79
1941 1764.93 a 1616.00 1363.50 556.50 227.91 d 117.50 31.50 68.00 269.50 646.50 1084.50 1441.50 9187.84
1942 1547.50 1506.50 1075.00 555.50 421.50 142.00 55.50 61.50 392.00 573.00 1155.50 1849.67 a 9335.17
1943 2086.00 1557.50 1557.00 699.00 442.50 136.00 2.50 36.00 317.00 543.50 1130.00 1447.50 9954.50
1944 1443.00 1609.00 1450.00 729.00 284.00 92.50 34.50 69.50 249.50 572.00 968.50 1597.50 9099.00
1945 1762.00 1491.00 987.00 803.00 542.50 210.00 58.00 32.00 362.50 668.00 1189.29 b 1843.00 9948.29
1946 1827.50 1658.00 986.50 532.00 410.00 110.50 13.95 a 77.00 282.50 692.00 1156.50 1719.00 9465.45
1947 1641.50 1661.50 1332.50 801.00 476.88 a 145.00 31.00 21.00 338.50 379.20 c 1351.50 1740.00 9919.58
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 17.05 a 20.00 126.72 a 547.00 1066.50 1680.72 a 3457.99
1949 1893.50 1770.50 1409.00 620.89 b 307.79 c 76.50 19.00 42.00 295.00 615.50 978.00 1774.50 9802.18
1950 2268.68 a 1682.00 1470.50 1036.03 a 476.00 124.50 32.60 b 107.50 218.33 c 551.44 e 930.50 g 1460.00 f 7967.60
1951 2015.53 b 1477.00 1499.00 747.50 192.00 f 157.00 39.50 58.00 0.00 z 410.50 r 1379.00 1818.50 9191.04
1952 1965.00 1371.50 1345.00 529.00 320.00 55.50 27.50 49.00 197.00 708.50 1013.00 1423.50 9004.50
1953 1696.50 1436.50 1190.50 794.50 331.00 103.50 13.00 o 14.00 164.00 p 402.00 925.50 1601.00 8495.00
1954 2159.00 1156.50 1310.50 757.00 475.50 110.50 21.50 49.50 285.52 a 635.50 955.50 1423.50 9340.02
1955 1873.50 1712.50 1678.00 471.50 225.00 77.50 13.50 17.50 281.00 547.00 1401.50 1897.50 10196.00
1956 1842.00 1818.50 1510.50 948.50 384.50 32.50 45.00 19.00 j 363.00 455.50 1034.50 1614.00 10048.50
1957 2098.50 1583.00 1254.00 725.00 311.00 130.50 3.50 55.28 a 325.00 613.50 1101.00 1407.00 9607.28
1958 1510.00 1528.50 1103.00 602.00 311.00 236.50 69.50 77.00 226.50 542.50 1128.00 1836.75 a 9171.25
1959 2084.00 1716.00 1208.50 698.00 333.50 74.00 25.00 25.50 256.00 776.00 1409.00 1302.50 9908.00
1960 1798.00 a 1570.14 a 1508.15 a 745.50 314.50 136.55 a 32.50 s 11.50 249.50 568.50 1069.00 1735.48 a 9706.83
1961 1845.50 1324.50 1008.00 847.50 376.50 55.00 17.57 a 14.00 300.50 583.50 1083.10 a 1738.50 9194.17
1962 1985.00 1672.00 1287.50 814.50 359.50 72.50 k 17.00 v 28.23 c 283.00 489.50 962.50 1563.50 9445.23
1963 2011.50 1581.50 1070.50 643.50 377.88 b 70.86 a 10.50 30.00 143.50 267.12 a 975.00 1832.50 9014.36
1964 1613.00 1443.50 1430.00 672.50 242.50 134.00 8.00 126.50 340.34 a 600.50 1088.00 1881.50 9580.34
1965 2066.50 1623.50 1584.00 737.50 350.50 79.00 30.00 67.68 a 507.00 436.00 h 1191.50 1404.00 9641.18
1966 2281.00 1682.50 1143.50 853.50 459.00 104.48 a 2.00 76.00 225.00 627.50 597.50 o 1723.00 9177.48
1967 1810.50 1807.00 1293.50 823.00 513.50 114.50 45.50 70.00 158.00 661.50 1117.00 1571.00 9985.00
1968 1886.00 1740.00 1034.00 668.00 418.00 115.50 36.00 o 81.50 g 239.50 605.50 1059.50 1725.00 9491.00
1969 2071.50 1489.50 1521.50 612.00 359.00 255.50 29.50 r 20.27 e 242.00 804.00 1087.50 1552.50 10015.27
1970 2076.50 1635.00 1591.50 820.00 411.00 44.50 13.50 6.00 t 250.34 a 593.50 1144.50 1783.00 10363.34
1971 2166.50 1526.50 1273.00 654.00 364.00 25.00 26.00 i 7.00 q 257.00 542.50 1122.50 1686.00 9617.00
1972 2067.50 1815.00 1357.00 749.00 223.50 70.00 37.50 32.00 u 312.50 718.50 1175.00 1910.00 10435.50
1973 1682.00 1416.00 887.00 677.00 288.00 77.88 d 15.50 s 8.50 270.00 448.00 1250.36 b 1727.50 8732.24
1974 2014.50 1580.00 1424.00 734.50 422.00 72.00 9.00 109.50 g 362.50 585.00 1119.50 1390.50 9713.50
1975 1731.50 1579.00 1487.50 870.00 278.00 106.50 12.50 h 49.00 280.00 522.00 992.68 b 1647.50 9543.68
1976 1865.50 1353.00 1394.50 540.00 276.00 64.50 8.50 18.50 o 228.50 807.00 1277.00 1967.98 a 9782.48
1977 2145.00 1420.22 a 1023.53 b 480.00 86.28 a 42.50 11.50 140.00 287.59 a 553.50 1218.00 1870.00 9278.13
1978 2094.00 1719.00 1360.00 699.00 194.50 112.00 28.00 63.60 b 216.50 583.00 1328.00 1918.50 10316.10
1979 2275.00 1859.50 1394.00 910.50 500.50 92.50 14.00 77.50 182.50 688.00 1173.00 1355.22 a 10522.22
1980 1878.00 1645.00 1404.50 493.00 213.00 64.00 6.00 58.50 287.00 712.00 1015.00 1693.50 9469.50
1981 1642.50 1263.50 985.50 585.00 282.00 103.00 23.50 14.98 a 248.00 651.50 853.00 1672.50 8324.98
1982 2278.00 1568.00 1344.88 a 724.50 229.50 192.00 4.50 106.00 313.00 593.00 1249.00 1389.50 9991.88
1983 1564.50 1237.50 1069.00 702.50 401.50 85.50 13.50 2.00 305.00 788.50 1023.00 2048.50 9241.00
1984 1760.50 1171.00 1278.00 563.00 360.50 54.50 22.50 21.00 368.50 562.00 1104.00 1787.00 9052.50
1985 1871.00 1586.00 1004.50 531.50 166.50 165.50 27.00 107.00 359.00 640.50 1473.00 1993.00 9924.50
1986 1631.50 1579.50 1059.50 620.50 265.00 51.00 4.00 86.50 293.00 600.00 1337.00 1492.00 9019.50
1987 1618.50 1136.50 1097.50 415.50 196.00 65.00 15.00 92.50 224.50 760.00 1027.00 1464.00 8112.00
1988 1928.50 1716.50 1210.50 628.00 171.00 15.50 5.50 41.00 296.50 759.00 1148.50 1599.00 9519.50
1989 1742.00 1840.50 1429.50 429.50 i 236.50 90.00 0.50 28.50 222.50 583.50 1279.50 1923.00 9376.00
1990 1411.50 1394.00 1068.50 682.00 294.00 69.50 6.50 26.50 166.50 599.50 1062.00 1760.00 8540.50
1991 1954.00 1281.50 1085.00 535.00 217.50 4.50 7.00 7.00 249.50 752.50 1298.50 1501.50 8893.50
1992 1528.50 1275.50 1067.00 730.50 213.00 148.00 100.50 86.00 271.50 629.50 1163.00 1726.00 8939.00
1993 1836.00 1564.00 1220.50 632.00 274.00 162.50 56.50 54.50 369.50 732.50 1245.50 1613.00 9760.50
1994 2214.50 1722.00 1116.50 679.00 302.00 57.00 49.00 103.50 218.50 563.50 1036.00 1446.50 9508.00
1995 1786.50 1574.50 1199.50 878.00 416.50 63.00 50.50 20.00 317.50 710.50 1429.50 1791.50 10237.50
1996 2208.00 1712.50 1605.00 970.50 429.50 111.00 31.00 17.00 276.00 0.00 z 1486.00 1934.50 10781.00
1997 2049.00 1522.00 1443.50 875.50 486.50 30.50 55.00 62.00 186.50 639.50 1281.50 1331.50 9963.00
1998 1727.50 0.00 z 1207.00 531.50 218.00 159.50 20.50 7.00 155.50 578.50 1082.50 1589.50 7277.00
1999 1856.50 1261.00 1109.00 619.00 292.50 0.00 z 0.00 z 0.00 z 328.50 739.50 872.50 1393.50 8472.00
2000 1785.50 0.00 z 931.00 731.50 302.50 157.00 31.50 31.50 297.00 570.50 1159.00 2040.50 8037.50
2001 1616.00 1763.50 1317.00 694.50 249.50 97.00 26.00 29.45 a 237.00 702.50 807.50 1423.50 8963.45
2002 1601.00 1256.50 1541.50 791.00 534.00 55.50 9.00 52.50 206.00 921.00 1187.00 1453.00 9608.00
2003 1842.50 1724.00 1360.50 627.00 300.50 75.00 22.50 22.50 275.50 557.00 1296.50 1452.50 9556.00
2004 2035.00 1551.00 1244.00 707.00 473.00 181.50 67.00 178.50 189.50 631.00 983.50 1604.00 9845.00
2005 2004.00 1432.00 1309.00 543.50 414.50 46.00 57.50 58.00 175.00 545.00 1037.00 1517.50 9139.00
2006 1322.50 1645.00 1222.00 504.00 326.50 53.50 7.00 21.50 272.00 737.00 1085.50 1352.50 8549.00
2007 1687.00 1754.00 1177.00 767.50 279.00 58.00 18.00 59.00 161.00 g 569.50 1112.00 1763.00 9244.00
2008 1882.00 1802.50 1420.50 793.50 488.00 124.00 22.50 30.50 0.00 z 618.00 1076.50 1927.00 10185.00
2009 2140.00 1556.50 1399.50 754.50 413.50 165.00 56.00 95.50 86.50 787.50 857.50 1734.50 10046.50
2010 1790.00 1591.00 1014.00 480.00 326.00 104.50 4.00 36.50 356.50 516.00 1115.00 1745.50 9079.00
2011 2008.50 1551.00 1386.00 733.00 381.30 a 115.00 10.50 19.00 252.00 519.00 1015.00 1360.38 a 9350.68
2012 1559.50 1399.00 862.00 604.00 270.98 b 61.61 b 0.00 i 0.00 z 261.00 733.00 1130.00 1614.50 8495.59
2013 1801.50 1579.00 1033.50 j 51.00 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 3380.50
Period of Record Statistics
MEAN 1885.29 1572.76 1273.75 700.59 339.69 103.42 27.32 54.71 265.92 625.27 1136.72 1667.57 9588.33
S.D. 230.47 198.74 199.30 130.08 102.46 51.54 22.13 36.52 71.00 126.79 159.59 204.57 620.29
SKEW -0.01 0.09 -0.37 0.10 0.26 0.52 1.11 0.89 0.24 0.32 0.33 0.04 0.32
MAX 2406.00 2263.55 1678.00 1036.03 653.00 255.50 100.50 178.50 507.00 991.00 1507.50 2083.00 11213.44
MIN 1322.50 1136.50 693.88 415.50 86.28 4.50 0.50 2.00 86.50 267.12 807.50 1278.50 8112.00
NO YRS 94 91 93 92 94 92 85 89 94 94 95 95 63