LAMBERTON SW EXP STN, MINNESOTA

Monthly Total Heating Degree Days

(214546)

Base Temperature = 65 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1961 1521.50 1124.00 921.50 721.00 308.50 32.00 2.00 12.50 193.50 407.00 947.50 1552.00 7743.00
1962 1641.00 1397.41 a 1258.00 644.50 151.00 53.50 16.00 4.00 182.50 378.50 765.50 1326.00 7817.91
1963 1799.50 1330.50 868.52 a 442.50 243.00 14.50 1.00 20.00 77.00 181.50 775.00 1593.00 7346.02
1964 1292.50 1125.00 1212.00 516.00 152.50 46.00 0.00 54.50 173.50 438.00 890.69 a 1572.00 7472.69
1965 1659.50 1424.50 1434.27 a 608.50 159.00 7.00 5.50 42.50 366.00 385.95 a 972.86 b 1120.00 8185.57
1966 1897.50 1375.50 836.50 711.50 321.50 43.50 0.00 54.50 188.00 474.50 1058.00 1418.00 8379.00
1967 1501.00 1459.50 934.50 544.00 366.50 34.50 36.00 59.79 c 153.00 517.50 925.50 1304.50 7836.29
1968 1487.50 1414.50 737.05 b 432.50 323.00 42.50 8.00 30.00 142.50 434.50 905.50 1497.50 7455.05
1969 1792.00 1317.50 1403.00 520.00 197.00 137.50 3.50 4.50 130.00 586.50 915.50 1398.50 8405.50
1970 1924.50 1427.50 1290.00 644.50 265.00 45.00 21.00 24.00 223.00 556.00 1048.00 1569.50 9038.00
1971 1796.50 1349.00 1154.50 551.50 333.50 28.00 46.50 56.00 218.50 432.50 979.00 1541.00 8486.50
1972 1774.50 1575.00 1154.50 731.50 225.00 67.00 33.00 61.00 230.50 633.00 997.50 1634.00 9116.50
1973 1446.50 1203.00 813.50 617.50 302.50 32.50 6.50 5.00 200.00 341.50 920.00 1551.50 7440.00
1974 1689.00 1325.00 1082.00 577.50 339.50 59.00 2.50 43.00 246.50 480.00 944.50 1310.00 8098.50
1975 1510.98 b 1467.50 1340.00 810.50 172.50 59.50 14.00 12.00 253.50 430.50 904.14 a 1455.00 8430.12
1976 1688.00 1126.50 1064.33 a 458.00 257.50 35.00 1.50 21.50 220.00 687.00 1149.00 1613.00 8321.33
1977 1985.50 1186.00 929.00 396.50 67.00 14.50 4.50 69.00 117.00 571.00 1026.00 1556.00 7922.00
1978 1934.00 1581.50 1108.00 632.00 240.50 67.00 21.00 26.50 109.50 514.50 1048.97 a 1581.50 8864.97
1979 2030.00 1735.50 1255.50 746.00 373.50 64.50 7.50 54.00 148.00 568.00 1003.50 1233.00 9219.00
1980 1523.50 1471.50 1192.00 524.50 217.50 28.00 6.50 26.00 181.50 618.50 837.50 1421.00 8048.00
1981 1456.00 1164.00 870.00 445.00 258.50 16.50 17.00 29.00 165.00 589.50 829.00 1572.50 7412.00
1982 2005.00 1417.00 1076.50 716.50 167.50 101.50 3.00 37.00 193.50 486.50 1099.00 1268.00 8571.00
1983 1453.50 1142.50 1064.50 737.50 344.00 61.50 0.00 2.50 192.00 526.50 930.00 2018.00 8472.50
1984 1609.00 1158.50 1349.00 576.00 301.00 21.50 14.50 15.50 300.50 449.50 920.00 1429.00 8144.00
1985 1700.50 1401.50 918.00 455.00 131.00 107.00 6.50 67.50 256.00 591.50 1321.50 1779.40 a 8735.40
1986 1466.50 1424.50 963.00 524.00 236.00 25.50 8.00 73.00 185.50 501.00 1114.50 1251.50 7773.00
1987 1321.50 918.00 900.00 383.00 109.50 15.50 9.00 54.50 146.00 675.00 812.50 1313.50 6658.00
1988 1795.50 1582.50 969.00 604.50 74.00 4.50 8.00 33.50 161.00 659.00 985.00 1386.00 8262.50
1989 1280.00 1579.50 1238.50 617.00 247.50 64.00 0.00 8.50 199.50 493.00 1091.00 1680.50 8499.00
1990 1203.00 1199.50 972.50 622.50 309.00 48.00 29.00 25.50 145.50 600.00 899.50 1563.50 7617.50
1991 1669.50 1085.00 1009.50 494.00 230.00 12.00 16.50 26.00 248.50 654.50 1268.00 1287.50 8001.00
1992 1292.50 1106.50 940.50 752.50 202.00 80.00 54.50 100.50 216.00 576.00 1070.50 1506.00 7897.50
1993 1661.50 1440.00 1183.50 725.50 302.00 92.50 4.00 26.00 306.00 603.50 1092.50 1431.00 8868.00
1994 1935.00 1570.50 974.50 644.00 207.50 29.00 16.50 57.00 149.00 447.00 872.00 1302.50 8204.50
1995 1507.50 1254.00 1035.50 775.00 324.00 56.50 18.00 12.00 251.00 578.00 1171.50 1428.00 8411.00
1996 1812.00 1347.00 1234.00 723.50 369.00 43.50 11.00 15.50 244.00 516.00 1292.00 1702.00 9309.50
1997 1775.00 1291.50 1138.50 717.00 391.50 0.00 34.50 35.00 129.50 495.00 1148.50 1197.50 8353.50
1998 1540.00 986.00 1166.50 504.00 106.00 98.00 2.50 0.00 z 76.00 429.00 395.50 n 1256.50 6164.50
1999 1692.50 1058.50 983.00 544.50 183.00 66.50 2.50 9.50 206.00 550.50 708.00 1250.00 7254.50
2000 1548.00 1097.50 809.00 632.59 a 201.50 71.50 24.80 a 13.00 197.00 444.50 1094.50 1855.50 7989.39
2001 1438.50 1590.00 1244.50 602.50 230.78 d 60.00 6.00 17.00 186.50 547.00 594.50 1235.00 7752.28
2002 1305.00 1070.50 1375.50 627.50 398.50 28.00 4.50 26.50 170.50 755.00 1000.00 1214.00 7975.50
2003 1549.50 1419.50 1103.00 550.50 293.00 62.00 2.50 14.50 214.50 483.00 1047.50 1279.00 8018.50
2004 1640.00 1357.00 923.00 545.50 309.00 88.50 22.50 101.00 101.50 457.00 833.00 1304.50 7682.50
2005 1584.00 1094.50 1098.50 448.00 307.50 5.50 12.00 32.50 85.00 468.50 874.50 1499.00 7509.50
2006 1157.00 1307.00 1094.00 437.00 253.00 31.00 0.50 10.50 243.50 617.50 916.00 1169.50 7236.50
2007 1451.50 1486.00 920.18 a 667.00 136.50 20.00 3.50 24.50 167.00 387.50 940.00 1554.00 7757.68
2008 1660.00 1500.00 1166.00 694.50 288.00 19.50 2.00 11.50 158.50 517.00 949.50 1628.00 8594.50
2009 1770.50 1282.50 1104.00 629.50 249.00 97.00 27.50 38.50 82.50 730.00 730.50 1593.50 8335.00
2010 1758.00 1469.00 932.00 354.00 266.50 19.50 0.00 6.50 185.50 419.50 936.00 1626.50 7973.00
2011 1808.00 1420.00 1240.00 642.50 281.50 40.50 0.00 4.00 208.50 424.50 870.00 1221.50 8161.00
2012 1303.50 1139.50 601.50 470.00 141.50 26.00 0.00 37.00 188.00 621.50 898.50 1407.00 6834.00
2013 1509.00 1370.50 782.00 m 0.00 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 2879.50
Period of Record Statistics
MEAN 1614.22 1323.52 1068.97 590.24 247.41 46.61 11.49 32.26 186.79 517.88 967.13 1451.09 8076.27
S.D. 215.40 181.73 180.16 113.44 83.06 30.37 12.67 23.93 58.95 106.21 144.55 187.72 576.73
SKEW -0.06 -0.12 -0.08 -0.13 -0.26 0.76 1.49 1.02 0.37 -0.23 0.19 0.53 -0.05
MAX 2030.00 1735.50 1434.27 810.50 398.50 137.50 54.50 101.00 366.00 755.00 1321.50 2018.00 9309.50
MIN 1157.00 918.00 601.50 354.00 67.00 0.00 0.00 2.50 76.00 181.50 594.50 1120.00 6658.00
NO YRS 53 53 52 52 52 52 52 51 52 52 51 52 51