ARTICHOKE LAKE, MINNESOTA

Monthly Total Heating Degree Days

(210287)

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
1917 0.00 z 0.00 z 0.00 z 744.00 382.00 133.00 17.00 43.50 194.00 823.00 819.50 1813.00 4969.00
1918 1935.50 1382.50 870.00 685.00 234.00 50.00 19.00 10.50 304.00 476.00 894.00 1318.00 8178.50
1919 1371.00 1399.00 1125.50 615.00 292.00 61.00 0.00 17.50 141.50 776.50 1228.50 1659.00 8686.50
1920 1783.50 1415.50 1083.00 854.50 269.00 83.50 g 5.00 40.50 125.50 378.00 1039.00 1405.50 8399.00
1921 1393.00 1134.50 1025.00 529.50 260.00 35.50 4.00 22.50 141.50 455.50 1278.50 1383.50 7663.00
1922 0.00 z 1655.00 1128.50 686.50 190.50 16.00 20.15 a 11.00 128.00 462.00 852.00 1535.50 6685.15
1923 1618.00 1600.50 1334.50 671.50 300.24 d 26.00 y 0.00 41.00 106.50 563.50 842.50 383.50 v 7078.24
1924 0.00 z 927.50 g 1132.00 631.00 472.50 116.00 33.50 44.00 246.50 361.50 1017.00 1779.00 5833.00
1925 1716.50 1272.00 953.00 394.50 385.00 100.50 28.00 19.00 161.90 a 895.50 1024.00 1519.00 8468.90
1926 1534.50 1201.00 1206.00 632.50 158.50 136.50 20.00 21.00 290.50 604.50 1216.50 1648.50 8670.00
1927 1616.50 1261.00 946.07 d 585.00 364.50 129.00 26.00 61.00 214.50 450.50 1184.50 1945.00 8783.57
1928 1555.50 1290.50 1005.43 a 838.45 a 179.28 a 112.00 4.50 42.50 243.00 554.00 927.00 1243.50 7995.67
1929 2033.50 1655.50 969.00 584.00 401.00 88.50 5.50 10.50 286.00 523.00 1146.50 1570.00 9273.00
1930 1901.00 1054.50 1062.00 510.50 285.00 67.50 13.50 9.50 198.00 617.00 948.50 1310.00 7977.00
1931 1250.00 971.00 1055.00 538.00 349.00 30.00 4.50 39.50 98.00 409.00 881.00 1257.50 6882.50
1932 1611.50 1368.50 1328.00 578.00 225.00 6.50 20.50 12.00 185.50 637.50 1134.50 1568.00 8675.50
1933 1434.50 1469.50 1057.00 641.00 272.00 0.00 z 0.50 23.50 84.00 613.00 1089.00 1579.00 8263.00
1934 1442.50 1284.00 1165.50 590.50 106.00 23.50 6.00 64.00 229.50 392.00 868.97 a 1563.50 7735.97
1935 1770.50 1076.00 1007.00 710.50 397.00 30.50 q 0.00 62.00 199.50 609.00 1246.50 1540.00 8618.00
1936 2127.00 2066.50 1117.50 779.00 143.50 74.50 0.00 4.50 140.50 651.50 1171.50 1439.50 9715.50
1937 2053.00 1552.00 1228.50 693.50 212.50 103.50 8.00 3.50 200.00 571.00 1097.00 1613.55 a 9336.05
1938 1727.00 1389.50 933.00 585.00 352.00 64.00 2.00 1.50 133.00 283.50 1091.50 1413.00 7975.00
1939 1534.50 1664.00 1116.00 684.00 131.50 52.50 7.50 46.50 214.00 616.50 894.00 1197.00 8158.00
1940 1876.50 1383.00 1307.50 697.50 314.50 64.50 19.50 63.00 133.00 341.50 1191.50 1402.00 8794.00
1941 1556.00 1419.50 1126.50 464.50 161.00 93.00 26.50 18.48 e 217.78 c 519.50 927.00 1284.00 7813.76
1942 1389.50 1300.00 946.00 462.00 353.50 90.00 22.73 a 20.00 315.00 526.50 1013.50 1621.50 8060.23
1943 1963.00 1405.00 1355.00 569.50 362.50 102.50 2.50 23.00 260.00 529.00 1072.50 1309.00 8953.50
1944 1215.50 1372.50 1310.00 713.00 218.50 57.00 5.00 44.50 164.50 437.50 910.86 a 1399.00 7847.86
1945 1573.50 1352.00 848.00 691.50 389.00 155.50 30.50 20.50 250.50 531.50 1072.50 1738.50 8653.50
1946 1656.00 1458.50 886.00 447.50 356.00 90.50 2.00 43.50 199.00 552.00 1055.69 a 1447.50 8194.19
1947 1357.50 1496.50 1172.50 722.00 389.00 105.50 13.00 8.00 197.50 287.50 1201.00 1576.00 8526.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.62 a 16.00 90.50 484.50 976.55 a 1500.50 3071.67
1949 1742.50 1575.00 1136.00 539.00 181.00 45.00 8.02 b 22.00 233.00 467.00 834.50 1510.00 8293.02
1950 1982.00 1428.50 1305.21 b 901.03 a 385.36 b 35.69 a 10.00 61.48 a 117.00 416.00 1162.50 1696.50 9501.28
1951 1857.50 1348.00 1497.30 a 731.90 a 153.50 110.50 13.00 22.98 b 278.79 a 568.50 1208.50 1676.00 9466.47
1952 1761.50 1341.50 1397.50 569.00 255.00 28.00 2.50 11.37 a 139.14 a 609.50 914.48 a 1384.00 8413.49
1953 1594.00 1341.50 1094.50 725.00 291.00 62.50 9.50 3.50 146.00 322.50 848.50 1498.33 a 7936.83
1954 1902.50 989.00 1199.00 635.00 411.50 59.00 1.50 7.50 179.50 559.50 797.00 1318.00 8059.00
1955 1585.00 1523.00 1259.50 365.00 113.50 44.00 1.00 6.50 185.50 455.50 1272.00 1741.17 a 8551.67
1956 1753.50 1573.00 1277.00 793.00 284.50 13.00 4.98 c 23.50 205.00 313.00 984.00 0.00 z 7224.48
1957 0.00 z 967.00 f 1089.00 603.50 301.00 46.50 0.00 28.00 195.50 540.43 a 983.50 1257.00 5044.43
1958 1402.50 1454.00 1090.50 569.50 195.50 143.79 a 30.00 32.50 139.50 429.00 977.00 1604.00 8067.79
1959 1769.67 b 1489.92 b 994.00 602.00 262.39 c 34.50 3.21 b 3.00 158.00 705.50 1248.00 1139.00 8409.20
1960 1646.00 1483.50 1509.00 660.50 244.00 63.00 5.50 8.00 178.50 464.50 941.00 1508.50 8712.00
1961 1602.50 1175.00 930.00 774.00 348.50 27.00 0.00 2.50 239.00 479.50 997.00 1628.00 8203.00
1962 1753.00 1484.50 1288.00 703.50 197.00 60.50 17.50 5.50 214.50 412.00 841.00 1385.00 8362.00
1963 1854.00 1393.00 962.50 527.50 288.00 33.00 2.50 15.50 99.50 230.50 844.50 1667.50 7918.00
1964 1389.50 1237.50 1314.00 552.00 159.50 49.50 0.50 55.50 214.00 493.50 991.00 1709.50 8166.00
1965 1857.00 1486.00 1488.50 663.50 211.00 9.00 4.00 37.00 416.00 392.00 1005.00 1204.50 8773.50
1966 1974.00 1463.00 947.50 744.50 345.50 50.00 0.00 52.50 172.50 489.00 1150.50 1492.50 8881.50
1967 1613.50 1587.00 1062.00 614.50 395.50 47.50 29.97 a 36.00 137.00 564.00 985.50 1395.50 8467.97
1968 1606.50 1508.00 823.00 533.00 349.50 46.50 13.50 29.50 148.50 502.00 954.50 1610.00 8124.50
1969 1949.50 1394.50 1451.00 597.00 230.00 151.50 4.50 1.50 142.00 661.50 963.50 1480.50 9027.00
1970 1937.00 1427.00 1294.50 688.00 239.00 31.00 2.50 8.00 195.50 534.50 1080.50 1533.00 8970.50
1971 1880.50 1375.50 1105.50 550.00 287.50 26.00 31.00 24.00 207.00 470.00 1032.50 1595.50 8585.00
1972 1858.50 1636.00 1192.50 729.00 233.00 60.50 19.00 43.00 126.50 t 626.00 1053.00 1762.50 9213.00
1973 1561.50 1273.00 858.50 622.00 280.00 27.50 10.00 7.50 228.50 373.00 1018.50 1598.50 7858.50
1974 1810.00 1446.00 1219.50 598.00 377.50 65.00 1.50 56.00 272.00 482.00 988.00 1307.00 8622.50
1975 1599.50 1489.50 1377.50 875.50 193.50 68.00 15.50 18.00 263.00 465.50 970.00 1488.50 8824.00
1976 1714.00 1165.50 1127.50 443.50 244.50 21.00 3.00 11.50 170.00 694.50 1203.50 1691.50 8490.00
1977 2045.50 1257.41 a 1015.00 416.50 65.50 32.50 6.50 45.47 a 159.00 16.50 z 0.00 z 0.00 z 5043.37
1978 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 419.50 f 1150.50 1655.50 2806.00
1979 2080.00 1779.50 1316.50 824.50 392.00 58.50 4.50 51.50 136.50 618.97 a 1091.50 1268.00 9621.97
1980 1582.50 1497.50 1274.50 493.00 185.00 38.50 3.00 22.00 207.00 613.50 873.00 1496.50 8286.00
1981 1514.50 1213.00 882.50 454.00 251.50 51.00 13.00 12.00 179.00 602.50 839.50 1628.50 7641.00
1982 2143.50 1471.00 1198.00 709.50 190.50 139.50 0.00 45.50 225.50 579.50 1168.50 1305.00 9176.00
1983 1486.00 1150.50 1062.50 708.50 307.00 75.50 4.00 0.00 226.00 559.00 971.00 2023.50 8573.50
1984 1613.50 1131.50 1345.50 600.50 295.50 35.00 11.50 16.50 307.50 501.00 964.50 1592.00 8414.50
1985 1747.00 1428.00 975.00 463.00 140.00 127.50 5.50 60.50 276.50 577.00 1361.50 1868.50 9030.00
1986 1524.00 1465.00 1012.50 599.50 253.50 35.50 0.00 72.50 251.50 562.50 1196.50 1241.00 8214.00
1987 1356.50 920.50 960.00 361.00 127.00 19.50 10.50 41.50 149.00 691.50 898.50 1328.00 6863.50
1988 1747.00 1528.20 a 1027.00 564.11 b 93.50 4.00 3.50 29.00 183.00 682.00 1070.50 1411.50 8343.30
1989 1454.00 1685.50 1288.50 642.00 242.50 88.00 0.00 17.50 181.50 539.92 a 1139.50 1722.50 9001.42
1990 1235.50 1248.00 1021.50 635.50 297.00 54.50 14.50 26.00 159.50 571.50 909.50 1582.00 7755.00
1991 1699.00 1127.50 1065.50 506.00 227.00 13.50 12.50 12.50 224.00 612.50 1251.50 1391.50 8143.00
1992 1394.50 1108.00 985.00 689.00 211.00 101.50 78.50 99.00 197.50 574.50 1155.00 1603.00 8196.50
1993 1779.00 1477.50 1256.00 692.00 285.50 126.50 14.00 31.00 315.00 623.00 1135.00 1491.50 9226.00
1994 2053.00 1664.50 1046.50 595.00 193.00 21.50 15.00 56.50 142.00 441.00 886.50 1345.50 8460.00
1995 1579.50 1350.50 1099.50 788.00 316.00 51.00 13.00 3.50 219.00 609.00 1190.50 1514.50 8734.00
1996 1938.50 1475.50 1357.00 789.00 362.50 54.50 11.00 1.00 236.00 528.00 1343.50 1749.00 9845.50
1997 1889.00 1397.41 a 1284.00 778.00 372.50 2.50 33.00 44.00 107.50 497.50 1173.50 1233.50 8812.41
1998 1603.50 1021.00 1201.50 498.50 124.50 109.50 0.00 0.00 92.50 458.50 942.00 1279.00 7330.50
1999 1682.00 1087.50 1006.50 565.50 214.00 66.00 3.00 12.00 225.50 557.50 746.50 1240.00 7406.00
2000 1656.50 1199.50 799.00 624.00 199.00 93.50 23.00 14.00 190.00 479.00 1152.00 1958.00 8387.50
2001 1515.50 1658.50 1336.00 660.50 216.00 62.50 9.50 13.00 201.00 569.50 678.50 1337.13 a 8257.63
2002 1400.50 1100.00 1414.50 677.50 400.00 37.00 4.00 27.00 152.50 818.00 1066.00 1296.00 8393.00
2003 1625.00 1490.00 1146.50 569.50 293.00 64.00 1.00 11.00 207.00 475.00 1129.00 1332.00 8343.00
2004 1777.00 1367.50 967.50 553.00 348.00 114.00 33.00 104.00 113.50 489.50 860.00 1348.50 8075.50
2005 1670.00 1198.50 1098.00 458.50 299.50 7.50 10.50 25.00 81.00 482.50 931.50 1475.50 7738.00
2006 1232.00 1453.50 1081.50 450.50 258.00 35.00 2.00 9.50 252.50 665.00 956.00 1216.50 7612.00
2007 1478.50 1553.50 995.00 682.50 147.00 31.50 3.00 29.00 155.50 441.50 975.50 1637.00 8129.50
2008 1723.50 1567.50 1231.00 747.00 312.00 71.50 4.00 12.50 168.50 572.50 1001.00 687.50 q 7411.00
2009 1446.50 g 1415.00 1218.00 676.50 283.00 117.00 35.50 50.50 87.50 756.00 783.00 1650.00 7072.00
2010 1757.50 1539.50 959.50 402.50 278.50 31.50 0.00 11.50 238.50 470.00 1009.00 1711.00 8409.00
2011 1864.00 1489.50 1358.00 687.50 323.00 55.50 0.00 1.55 a 210.00 435.50 946.00 1217.00 8587.55
2012 1364.00 1204.00 724.50 494.00 181.50 26.00 0.00 30.00 196.00 623.50 977.00 1522.50 7343.00
2013 1645.50 1470.50 1403.30 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 4519.30
Period of Record Statistics
MEAN 1675.67 1387.28 1133.00 622.29 266.48 63.00 10.49 27.16 191.72 531.18 1026.16 1501.43 8395.71
S.D. 220.47 193.87 174.12 117.67 87.45 38.39 12.08 21.61 61.03 118.73 142.09 190.24 591.61
SKEW 0.02 0.05 0.11 -0.05 -0.06 0.60 2.36 1.10 0.56 0.27 0.12 0.33 0.02
MAX 2143.50 2066.50 1509.00 901.03 472.50 155.50 78.50 104.00 416.00 895.50 1361.50 2023.50 9845.50
MIN 1215.50 920.50 724.50 361.00 65.50 2.50 0.00 0.00 81.00 230.50 678.50 1139.00 6863.50
NO YRS 90 92 94 94 94 90 95 95 94 94 95 92 81