ROSEMOUNT AGR EXP STN, MINNESOTA

Monthly Total Heating Degree Days

(217107)

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
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 1639.38 a 1639.38
1951 1767.52 a 1369.50 1405.00 745.50 141.00 115.18 b 14.47 a 49.00 288.50 528.50 1221.21 a 1535.00 9180.37
1952 1651.27 a 1252.70 a 1289.00 546.00 277.50 37.00 12.00 40.50 215.69 a 735.00 988.97 a 1398.00 8443.62
1953 1567.00 1396.50 1154.75 a 797.50 340.40 e 61.07 b 10.33 a 9.30 a 187.50 314.00 837.00 1367.00 8042.36
1954 1710.50 948.50 1185.23 a 583.97 a 449.50 57.50 4.00 22.00 187.50 613.80 a 882.00 1415.50 8060.00
1955 1688.00 1490.50 1277.00 406.61 b 172.05 a 56.90 a 0.00 8.86 c 177.50 483.17 b 1188.50 1665.73 a 8614.82
1956 1710.50 1522.00 1258.50 699.00 273.00 28.97 a 28.93 a 46.50 a 275.50 287.00 934.14 a 1276.00 8340.04
1957 1705.00 1249.00 1097.40 a 591.72 a 289.50 59.40 e 0.00 h 22.22 a 229.00 550.77 a 996.21 a 1254.00 8044.21
1958 1354.50 1434.50 1051.00 562.50 209.00 139.50 24.50 44.00 131.00 402.00 891.72 a 1600.50 7844.72
1959 1743.00 1409.50 1018.00 569.50 204.50 36.00 11.50 4.50 176.50 668.50 1217.00 1133.50 8192.00
1960 1508.50 1376.00 1396.00 572.59 a 243.00 73.00 14.00 8.50 200.00 510.47 a 889.00 1460.50 8251.55
1961 1547.50 1133.50 971.50 763.50 332.00 38.00 5.00 10.00 212.50 437.00 941.50 1517.50 7909.50
1962 1740.50 1421.50 1223.50 654.00 174.50 64.00 23.50 13.00 259.50 446.00 880.00 1386.50 8286.50
1963 1903.50 1459.00 949.24 b 548.79 a 326.50 54.50 5.50 41.50 120.00 228.50 798.50 1736.00 8171.53
1964 1387.50 1170.00 1190.00 546.00 177.00 69.50 2.50 64.00 206.00 528.00 913.00 1566.02 a 7819.52
1965 1724.00 1479.50 1442.00 706.00 189.00 39.50 6.50 44.50 331.00 467.00 960.50 1177.50 8567.00
1966 1927.50 1409.00 911.00 699.00 378.00 49.50 3.00 48.50 186.50 510.00 1032.50 1453.00 8607.50
1967 1571.00 1576.50 1085.00 a 594.00 403.50 31.50 36.50 53.00 165.00 537.50 1005.00 1337.50 8396.00
1968 1582.03 a 1452.00 798.00 471.21 a 329.12 a 62.50 20.67 a 59.93 a 160.50 430.00 941.38 a 1483.50 7790.84
1969 1749.00 1306.50 1312.50 509.50 227.33 a 109.50 h 16.00 1.55 a 157.00 609.67 a 977.50 1433.50 8300.05
1970 1901.50 1415.00 1254.98 a 627.93 a 246.50 34.00 8.50 15.00 221.00 502.00 1013.50 1489.00 8728.91
1971 1859.50 1380.50 1200.50 564.50 341.00 20.50 30.00 40.30 a 172.50 374.50 958.50 1476.50 8418.80
1972 1843.98 a 1582.05 a 1195.05 a 705.50 210.50 78.10 a 30.48 a 56.00 206.50 623.50 990.00 a 1666.25 a 9187.92
1973 1547.23 c 1232.00 a 793.00 635.00 324.50 21.96 b 1.50 9.41 c 174.11 b 323.95 a 932.07 a 1503.00 7497.73
1974 1665.73 a 1406.46 b 1078.00 551.90 a 335.50 73.45 a 0.00 a 47.00 252.00 445.88 a 925.00 1289.50 8070.42
1975 1599.00 1391.50 1319.00 801.72 a 183.86 b 56.00 16.50 17.10 b 257.07 a 409.50 839.48 a 1388.00 8278.74
1976 1678.00 1114.50 1021.50 451.55 a 256.27 a 9.83 a 0.00 21.00 179.44 c 665.98 a 1128.75 b 1676.50 8203.32
1977 2058.92 a 1195.00 854.50 361.00 81.00 22.24 a 0.00 43.40 a 118.50 546.50 990.52 a 1578.93 a 7850.51
1978 1863.00 1569.50 1177.48 a 614.50 210.28 a 47.00 16.53 a 15.50 111.92 d 482.05 a 1053.10 a 1631.00 8791.88
1979 2036.38 b 1595.00 1184.50 692.00 351.69 b 49.00 3.50 38.00 126.96 b 548.00 993.10 a 1228.50 8846.64
1980 1579.00 1465.02 a 1203.83 a 512.14 b 182.26 b 39.50 1.50 6.00 157.24 a 592.21 b 852.00 1410.50 8001.20
1981 1435.50 1191.00 848.37 a 461.50 252.50 27.00 12.83 b 13.00 184.50 589.00 a 844.82 b 1471.97 b 7331.98
1982 1944.00 1412.50 1147.50 676.00 136.50 97.00 0.00 21.00 168.00 462.50 1034.50 1247.00 8346.50
1983 1433.50 1115.00 976.50 723.00 331.50 59.50 3.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 4642.00
1984 1633.18 a 1110.00 1255.50 541.50 283.00 14.50 7.00 10.00 244.50 437.50 943.00 1434.00 7913.68
1985 1677.50 1393.00 902.00 423.00 122.50 104.50 1.50 45.00 235.00 547.00 1190.00 1765.40 b 8406.40
1986 1498.50 1397.00 973.50 443.50 205.63 a 24.50 1.00 42.50 166.50 491.00 1109.00 1278.00 7630.63
1987 1328.00 946.50 839.50 359.00 138.00 7.50 4.50 31.50 107.00 622.00 820.00 1256.00 6459.50
1988 1709.00 1467.61 a 969.50 523.00 95.00 7.50 3.50 12.00 96.50 635.00 965.50 1387.50 7871.61
1989 1358.00 1564.50 1185.50 571.50 230.50 50.50 0.00 3.50 156.00 431.00 1068.50 1675.00 8294.50
1990 1219.50 1168.50 896.50 539.00 266.00 36.00 4.00 10.50 131.50 506.50 807.00 1521.00 7106.00
1991 1654.00 1140.50 948.50 468.00 208.00 7.50 9.50 11.50 212.00 531.00 1236.00 1381.50 7808.00
1992 1350.50 1087.00 1017.00 639.00 180.00 73.50 42.50 74.00 167.00 540.00 1031.00 1371.00 7572.50
1993 1612.00 1379.50 1146.50 623.50 244.50 83.50 5.00 20.00 311.00 545.50 1036.50 1360.00 8367.50
1994 1906.50 1513.50 942.00 558.50 178.50 29.00 7.00 46.50 94.00 395.50 828.50 1280.00 7779.50
1995 1488.00 1273.50 944.50 672.00 277.00 46.00 11.50 0.50 205.50 515.50 1159.00 1457.00 8050.00
1996 1745.00 1373.50 1230.50 671.00 328.00 51.00 5.00 6.00 164.50 466.50 1186.50 1599.00 8826.50
1997 1685.00 1252.22 a 1102.50 630.50 339.50 6.50 29.50 27.50 105.00 454.50 1105.00 1167.00 7904.72
1998 1442.00 958.00 1017.00 413.00 69.50 98.50 0.00 0.00 62.50 433.00 824.00 1225.00 6542.50
1999 1648.50 1041.70 a 960.48 a 471.00 150.00 57.93 a 1.00 6.50 164.48 a 454.50 674.48 a 1236.00 6866.58
2000 1529.33 a 1096.00 727.50 534.64 b 177.22 a 87.00 19.50 1.50 183.50 400.00 1037.00 1836.75 a 7629.94
2001 1480.00 1559.00 1240.00 559.00 232.50 86.00 12.00 5.50 197.07 a 550.50 580.50 1172.50 7674.57
2002 1340.00 1082.50 1289.00 635.50 393.00 37.00 1.50 15.50 145.50 727.00 987.50 1241.50 7895.50
2003 1549.50 1403.50 1043.50 555.00 265.50 57.00 0.00 z 0.00 z 183.50 0.00 z 0.00 z 0.00 z 5057.50
2004 1590.00 0.00 z 914.50 514.50 289.50 54.50 l 12.92 a 70.00 64.29 b 470.00 677.50 f 1334.50 5260.20
2005 0.00 z 0.00 z 1034.00 408.00 287.00 0.00 9.50 0.00 z 97.00 466.00 892.50 1481.00 4675.00
2006 1211.50 1326.50 1062.50 439.50 266.50 29.50 0.00 2.50 f 227.50 621.00 885.00 1161.00 7230.50
2007 1438.00 1503.00 925.50 590.50 141.00 18.50 0.00 20.00 134.00 392.50 946.50 1570.50 7680.00
2008 1673.50 1505.50 1212.50 697.00 321.50 28.50 2.00 10.50 124.00 509.00 941.50 1666.00 8691.50
2009 1872.00 1287.00 1095.00 599.00 255.50 112.00 29.00 35.00 80.50 709.50 722.00 1517.00 8313.50
2010 1694.00 1373.00 853.00 370.50 254.50 33.50 0.00 3.50 203.00 412.00 945.00 1203.00 i 6142.00
2011 1737.50 1382.50 1214.00 622.76 a 278.50 46.00 0.00 2.50 193.00 391.50 828.00 1229.50 7925.76
2012 1362.00 1132.00 584.00 510.50 149.00 27.00 0.00 20.50 171.50 587.50 876.50 1342.50 6763.00
2013 1534.00 1387.00 1293.14 c 36.50 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 4214.14
Period of Record Statistics
MEAN 1628.23 1328.28 1080.77 573.04 245.28 49.48 9.70 24.85 177.44 501.58 960.63 1430.65 8037.89
S.D. 192.65 171.58 178.41 107.46 83.00 29.89 10.61 20.15 57.32 104.73 134.05 169.90 585.45
SKEW 0.01 -0.51 -0.26 -0.01 0.07 0.74 1.23 0.64 0.30 0.02 -0.04 0.24 -0.64
MAX 2058.92 1595.00 1442.00 801.72 449.50 139.50 42.50 74.00 331.00 735.00 1236.00 1836.75 9187.92
MIN 1211.50 946.50 584.00 359.00 69.50 0.00 0.00 0.00 62.50 228.50 580.50 1133.50 6459.50
NO YRS 62 61 63 62 62 60 60 59 61 60 59 60 54