ROTHSAY, MINNESOTA

Monthly Total Heating Degree Days

(217149)

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
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 w 2.50 f 207.00 764.15 a 1295.00 1201.00 3467.15
1960 1703.40 b 1477.45 a 1476.00 650.00 266.50 73.50 25.83 d 7.75 a 233.00 509.36 b 1026.00 1627.00 9075.79
1961 1744.00 972.00 f 941.00 829.00 367.50 49.14 a 8.04 d 4.00 283.00 518.50 1052.50 1669.00 7465.67
1962 1894.00 1597.00 1259.50 749.00 264.50 63.00 1.72 d 10.50 275.00 477.92 a 871.00 1486.50 8949.64
1963 1958.00 1510.50 1000.50 579.50 339.50 59.40 e 0.50 25.00 128.00 239.00 911.50 1804.00 8555.40
1964 1528.00 1315.00 1379.50 588.50 197.00 75.00 a 4.50 70.50 288.00 559.50 1056.21 a 1829.00 b 8890.71
1965 2050.59 d 1609.00 1538.00 698.50 218.00 h 53.50 9.50 57.02 c 455.69 a 495.50 1082.07 a 1355.14 c 9404.51
1966 442.00 x 1046.00 i 850.50 f 813.75 b 375.50 77.50 0.00 80.00 208.50 577.00 1208.50 1195.50 g 3340.75
1967 1719.00 1632.00 1146.00 693.00 455.50 74.50 38.00 43.00 145.00 607.50 1095.50 1461.28 b 9110.28
1968 1773.50 1598.00 900.50 580.00 393.70 a 64.14 a 24.00 43.00 193.00 554.00 1008.50 1671.93 a 8804.27
1969 1997.50 1399.00 1449.00 579.00 291.00 200.00 17.57 a 0.00 174.00 690.50 1019.00 1486.50 9303.07
1970 1988.00 1467.50 1394.50 714.50 327.50 39.00 2.00 10.50 212.00 560.50 1118.50 1655.00 9489.50
1971 2007.50 1473.50 1208.00 598.50 322.50 24.50 43.00 23.00 196.00 491.50 1082.00 1605.50 9075.50
1972 1984.50 1746.50 1268.50 722.50 230.50 67.50 30.00 53.00 243.50 638.50 1161.00 1906.00 10052.00
1973 1621.00 1326.50 866.50 635.00 297.50 44.50 15.50 3.50 248.00 366.32 a 1135.00 1610.50 8169.82
1974 1883.25 a 1451.50 1274.00 647.50 411.00 63.50 6.00 54.50 301.00 488.00 1014.50 1345.50 8940.25
1975 1675.50 1504.00 1429.50 850.50 223.50 55.50 14.50 19.00 253.50 462.50 974.00 1527.50 8989.50
1976 1779.83 b 1204.00 1200.00 451.50 226.00 31.00 5.50 0.00 167.00 491.50 f 1226.00 1769.50 8060.33
1977 2144.50 1329.00 549.50 o 396.50 45.50 24.50 3.00 67.00 190.00 542.50 1212.00 1753.50 7708.00
1978 2080.00 1683.50 1207.93 b 666.50 188.00 68.50 14.00 22.50 154.00 523.50 1195.50 1722.00 9525.93
1979 2152.50 1814.00 1339.20 a 840.56 c 462.50 46.00 8.00 57.50 123.00 623.50 1163.00 1247.00 9876.76
1980 1810.00 1584.64 a 1381.50 478.50 181.87 a 31.50 1.50 26.50 217.00 651.50 940.18 b 1642.50 8947.19
1981 1598.00 1276.00 906.00 494.50 254.95 b 66.35 d 12.83 b 11.00 227.50 641.00 846.50 1640.50 7975.12
1982 2200.48 a 1490.00 1228.50 701.00 174.00 108.50 1.00 57.50 250.50 578.50 1188.00 1365.50 9343.48
1983 1485.00 1148.50 1021.50 693.50 331.00 67.50 8.50 0.00 245.50 566.00 1003.00 2046.50 8616.50
1984 1733.50 1115.50 0.00 z 531.00 318.50 38.00 18.50 11.50 315.50 505.50 1018.00 1706.07 b 7311.57
1985 1838.00 1532.74 a 972.00 520.00 183.00 156.50 12.50 68.20 a 311.90 a 0.00 z 1421.50 1924.14 b 8940.48
1986 1621.50 1537.50 1037.00 616.00 252.00 34.14 a 1.00 71.50 287.50 607.50 1265.50 1339.50 8670.64
1987 1464.75 a 1058.50 1012.50 408.10 a 160.68 a 61.03 a 17.50 70.50 169.14 a 718.50 958.00 0.00 z 6099.21
1988 1877.71 c 1623.00 0.00 z 590.89 b 106.50 8.00 6.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4212.61
1989 0.00 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 98.00 y 1225.00 1833.00 3058.00
1990 1304.50 1275.50 1004.00 640.00 318.00 63.50 13.50 24.50 161.50 578.00 946.00 1624.50 7953.50
1991 1801.50 1214.50 1059.00 507.50 223.00 14.50 8.00 8.50 245.50 669.50 1283.50 1458.00 8493.00
1992 1463.50 1182.50 990.00 705.50 223.00 124.00 77.50 94.00 219.50 604.50 1175.00 1655.50 8514.50
1993 1794.50 1556.00 1246.50 659.00 281.00 139.00 33.50 42.00 314.50 631.50 1177.50 1544.00 9419.00
1994 2154.50 1667.50 1112.00 625.50 224.50 32.50 18.50 51.00 144.50 470.00 921.50 1376.50 8798.50
1995 1696.00 1472.00 1128.00 788.50 301.50 44.00 17.50 3.00 235.50 649.50 1284.50 1618.00 9238.00
1996 1994.00 1535.00 1439.00 790.50 353.50 52.50 12.00 3.50 224.00 555.50 1396.50 1825.50 10181.50
1997 1949.00 1441.50 1338.00 776.00 355.50 3.50 41.00 37.50 120.00 524.00 1227.50 1271.00 9084.50
1998 1637.50 1016.00 1169.00 464.00 133.50 110.00 10.50 0.00 101.50 501.00 992.50 1405.50 7541.00
1999 1772.50 1162.50 993.50 563.50 231.00 69.00 5.50 14.00 255.00 619.00 778.00 1312.50 7776.00
2000 1670.50 1235.50 904.34 b 697.50 268.50 0.00 z 41.52 c 31.57 d 228.10 a 513.57 a 1140.52 a 2032.10 b 8763.73
2001 1595.00 1717.85 a 1346.50 699.83 a 239.50 85.50 17.00 19.00 227.50 647.50 725.00 1369.00 8689.18
2002 1518.50 1226.00 1466.00 791.50 452.50 46.00 8.00 34.00 187.50 878.00 1101.21 a 1388.50 9097.71
2003 1745.50 1601.70 a 1232.50 564.00 274.50 60.00 8.00 11.50 265.00 0.00 z 1182.50 1383.00 8328.20
2004 1912.00 1487.50 1088.50 638.50 414.00 139.00 43.50 111.94 d 150.00 585.50 955.50 1463.00 8988.94
2005 1831.00 1306.00 1204.50 506.50 387.00 22.00 22.50 44.00 140.50 515.50 973.00 1549.00 8501.50
2006 1280.00 1577.00 1166.50 496.50 296.00 37.50 11.50 13.00 266.00 702.00 1012.00 1278.23 a 8136.23
2007 1635.50 1676.50 1052.40 b 743.00 226.30 a 55.00 18.00 57.02 c 217.00 513.50 1057.00 1739.10 a 8990.31
2008 1870.85 a 1685.50 1358.00 785.50 401.50 123.00 29.21 e 17.00 0.00 z 607.00 1009.80 e 1833.50 9720.86
2009 2054.00 1519.00 1233.69 d 777.00 354.00 145.50 53.00 55.50 86.50 794.50 815.00 1701.50 9589.19
2010 1787.00 1557.00 970.00 412.50 331.50 38.50 o 2.58 a 24.28 a 306.21 a 503.50 1083.00 1341.00 f 6977.57
2011 1447.50 h 1474.48 c 1350.29 e 721.61 b 313.21 b 64.29 b 1.03 a 7.00 239.00 491.72 b 983.57 b 1271.57 d 6917.77
2012 994.00 i 1307.42 e 583.50 g 563.33 c 201.50 e 29.46 b 0.00 a 34.00 231.50 674.50 1044.50 1525.50 5611.71
2013 1665.50 1528.80 c 0.00 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 3194.30
Period of Record Statistics
MEAN 1788.93 1449.56 1184.88 639.13 283.38 65.71 16.24 33.45 220.96 575.26 1076.19 1577.12 8901.46
S.D. 216.21 190.84 182.31 120.47 91.49 40.52 15.81 27.34 67.01 106.10 148.03 212.32 597.60
SKEW -0.18 -0.41 0.04 -0.18 -0.11 1.22 1.63 0.73 0.55 0.00 0.01 0.21 -0.14
MAX 2200.48 1814.00 1538.00 850.50 462.50 200.00 77.50 111.94 455.69 878.00 1421.50 2046.50 10181.50
MIN 1280.00 1016.00 866.50 396.50 45.50 3.50 0.00 0.00 86.50 239.00 725.00 1201.00 7541.00
NO YRS 50 51 47 52 51 50 52 51 51 49 53 50 37