AUSTIN WASTE WATER TRTMT FAC, MINNESOTA

Monthly Total Heating Degree Days

(210355)

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
1937 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
1938 0.00 z 34.00 z 815.50 554.50 305.50 65.00 0.00 4.00 133.50 320.33 a 959.00 1360.00 4517.33
1939 1327.00 1440.50 1057.50 642.00 149.50 49.00 2.00 16.50 112.50 489.50 858.50 1125.00 7269.50
1940 1801.50 1304.00 1203.00 637.50 311.50 32.00 24.50 57.50 138.50 349.00 1053.50 1320.50 8233.00
1941 1428.50 1368.00 1136.00 404.00 134.50 67.00 16.50 23.00 103.00 428.00 849.50 1144.50 7102.50
1942 1460.50 1263.50 911.00 397.00 323.00 67.50 13.00 25.50 263.00 484.00 887.50 1552.50 7648.00
1943 1735.50 1292.00 1208.00 583.50 357.50 63.00 2.50 20.50 252.50 521.50 1064.00 1268.50 8369.00
1944 1164.50 1245.50 1189.50 686.50 179.28 a 51.00 11.00 28.00 148.00 440.50 800.50 1462.50 7406.78
1945 1589.50 1272.50 780.50 609.50 410.50 161.50 19.00 18.50 194.50 492.50 940.00 1573.00 8061.50
1946 1456.50 1202.00 658.00 433.50 330.00 85.50 4.00 45.50 164.50 374.50 911.50 1269.50 6935.00
1947 1347.98 a 1423.00 1124.50 673.00 352.00 109.50 18.50 0.00 156.00 208.50 1073.00 1416.00 7901.98
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.50 19.00 96.50 466.50 872.00 1377.50 2837.00
1949 1546.00 1403.00 1077.50 558.21 b 143.00 12.50 6.00 16.00 226.00 372.50 866.00 1362.00 7588.71
1950 1681.00 1432.00 1240.50 766.00 265.50 69.83 a 17.00 47.50 135.00 335.00 1098.50 1665.00 8752.83
1951 1766.00 1335.50 1371.50 749.00 157.50 75.50 11.00 28.50 217.50 488.00 1175.00 1497.50 8872.50
1952 1581.00 1130.50 1149.50 512.50 287.00 18.50 10.00 34.00 186.00 690.00 900.50 1340.00 7839.50
1953 1464.00 1253.00 1020.00 745.50 275.00 36.00 14.00 6.50 143.50 312.00 804.50 1293.50 7367.50
1954 1609.00 890.00 1121.00 492.00 355.43 b 43.93 b 0.00 12.00 149.00 540.50 663.50 f 1325.80 c 6538.66
1955 1569.50 1393.00 1165.50 378.62 a 158.21 b 71.50 0.00 12.50 150.50 503.23 a 920.00 f 1630.00 7032.56
1956 1691.50 1534.93 a 1245.00 686.25 b 235.00 20.56 c 13.50 40.50 198.00 308.45 a 965.50 1284.95 a 8224.13
1957 1673.48 a 1170.81 a 1060.00 577.50 b 272.50 49.50 0.00 30.48 a 211.50 556.93 b 1002.00 1236.00 7840.71
1958 1377.00 1423.00 1054.00 564.00 202.00 162.50 28.50 48.00 148.97 a 404.55 a 908.00 1577.50 7898.02
1959 1728.77 a 1476.22 a 1152.00 562.50 185.48 a 45.00 24.50 10.00 210.52 a 654.50 1250.00 1120.13 a 8419.62
1960 1453.38 a 1337.76 b 1435.00 566.50 257.00 72.50 34.00 16.50 239.00 503.48 b 898.97 a 1468.00 8282.09
1961 1575.00 1125.50 1048.00 765.00 a 341.52 a 58.93 b 11.00 24.05 b 224.50 432.00 951.50 1504.50 8061.50
1962 1706.00 1374.00 1252.50 645.00 d 171.50 66.50 23.77 a 29.50 286.50 471.00 861.43 b 1434.78 a 8322.48
1963 1916.00 1411.50 944.50 505.00 287.78 a 25.50 2.07 a 33.00 107.68 b 187.03 a 772.00 1684.50 7876.56
1964 1312.00 1128.50 1167.00 545.50 139.00 52.50 3.00 59.00 190.86 a 542.50 a 890.00 1502.98 a 7532.85
1965 1668.00 1468.92 b 1437.00 676.00 170.00 35.50 3.50 42.00 278.00 440.50 928.50 1115.50 8263.42
1966 1852.50 1361.50 895.00 685.00 361.00 57.50 3.50 54.50 197.00 479.00 954.50 1374.00 8275.00
1967 1481.00 1458.00 972.00 554.00 386.00 23.00 45.00 58.50 167.50 547.15 a 980.50 1321.63 a 7994.28
1968 1522.00 0.00 z 782.00 487.00 357.00 52.50 20.00 41.00 167.00 442.50 915.00 1439.50 6225.50
1969 1686.50 1276.50 1316.00 500.50 219.50 147.00 9.00 3.00 151.50 606.50 946.00 1461.50 8323.50
1970 1922.00 1418.50 1210.00 574.50 220.00 48.00 10.50 14.50 241.00 543.50 1014.00 1465.50 8682.00
1971 1809.00 1380.50 1163.50 549.00 329.50 16.50 55.00 48.00 167.00 365.00 991.50 1450.50 8325.00
1972 1812.47 a 1541.00 1100.00 666.50 205.00 68.50 34.00 57.50 193.00 621.50 958.97 a 0.00 z 7258.43
1973 1518.50 1229.50 766.73 a 616.00 287.50 13.00 3.50 12.00 168.50 310.50 869.00 1471.98 a 7266.72
1974 1569.50 1330.00 1024.50 490.50 313.50 63.00 5.50 50.00 237.93 a 423.50 906.72 a 1300.97 a 7715.62
1975 1140.00 h 1365.28 c 0.00 z 0.00 z 183.33 b 26.40 e 23.50 2.50 268.50 407.13 a 827.68 b 1305.50 4409.82
1976 1227.00 g 1023.00 978.00 433.00 237.84 b 14.00 4.00 19.50 170.50 634.00 1110.50 1611.50 6235.84
1977 1979.00 1146.44 a 760.00 323.00 41.91 d 17.00 0.00 50.93 c 128.50 542.50 956.79 b 1500.00 7446.07
1978 1845.57 b 1536.00 1106.70 a 550.50 211.50 31.00 8.50 17.00 87.93 a 494.93 b 1012.24 a 1600.50 8502.37
1979 2000.00 1543.11 a 1161.50 662.50 0.00 z 31.50 0.00 z 0.00 z 95.50 0.00 z 0.00 z 1169.00 6663.11
1980 1466.62 b 1044.00 g 862.00 f 566.00 257.41 c 53.28 a 7.75 a 14.39 c 95.50 541.00 822.32 b 1388.00 5212.27
1981 1385.50 1073.15 b 823.50 312.00 f 246.00 5.00 8.00 0.00 z 0.00 z 460.72 b 777.32 b 1424.00 6203.20
1982 1828.00 1319.00 1048.50 645.50 109.50 80.50 0.00 34.00 155.00 415.00 956.00 1236.50 7827.50
1983 1388.80 a 1141.00 1017.50 771.00 347.50 54.00 1.50 0.00 180.50 514.00 926.50 1890.50 8232.80
1984 1639.00 1133.00 1263.50 597.00 264.50 7.00 7.00 8.00 182.00 359.00 827.50 1370.50 7658.00
1985 1685.00 1386.50 906.50 424.50 109.50 110.00 7.00 27.50 189.00 492.50 1156.50 1770.50 8265.00
1986 1465.50 1331.50 913.00 418.50 155.50 8.50 0.00 43.50 128.50 454.50 1097.00 1236.00 7252.00
1987 1288.50 878.00 785.00 345.50 101.50 9.50 0.00 30.00 82.00 528.50 695.00 1183.50 5927.00
1988 1681.00 1462.50 892.00 455.00 45.00 3.00 0.00 14.50 62.00 548.00 788.50 1245.50 7197.00
1989 1151.50 1413.00 1129.50 548.50 219.00 54.00 0.00 3.50 162.00 418.50 1033.00 1649.00 7781.50
1990 1162.00 1161.50 898.00 594.50 323.00 56.50 3.00 2.00 161.50 564.00 849.50 1597.00 7372.50
1991 1776.50 1220.00 966.50 519.50 229.00 6.50 17.00 25.00 275.50 600.50 1230.50 1351.00 8217.50
1992 1382.00 1131.00 1020.00 681.00 248.00 69.00 81.00 117.00 243.50 596.50 1055.00 1440.00 8064.00
1993 1689.50 1447.50 1259.50 705.50 299.00 83.50 3.50 34.00 345.50 622.50 1053.50 1376.50 8920.00
1994 1943.00 1563.50 993.00 614.00 223.50 30.50 32.00 84.50 134.50 464.50 881.50 1344.50 8309.00
1995 1554.00 1296.50 1000.50 742.50 310.00 57.00 14.00 2.00 264.50 585.50 1179.00 1443.50 8449.00
1996 1737.00 1388.50 1213.00 715.00 390.00 74.00 22.50 25.00 239.50 538.50 1222.00 1615.50 9180.50
1997 1713.00 1331.00 1130.00 698.00 410.50 14.00 41.00 51.00 154.00 509.50 1131.00 1274.00 8457.00
1998 1449.00 1018.50 1085.50 488.00 110.00 114.50 9.50 2.50 104.50 473.50 858.00 1276.50 6990.00
1999 1681.50 1058.00 985.00 535.50 217.50 71.50 2.50 19.00 250.00 564.00 760.50 1329.50 7474.50
2000 1607.00 1153.00 788.00 581.50 206.00 79.50 24.50 16.00 192.00 422.50 1060.50 1872.50 8003.00
2001 1529.50 1532.50 1308.50 508.50 239.50 76.50 7.50 38.50 234.00 572.00 601.00 1202.00 7850.00
2002 1273.50 1135.00 1255.50 609.50 347.50 43.50 0.00 26.00 152.50 717.00 1035.50 1270.50 7866.00
2003 1603.00 1395.50 1054.50 584.50 291.00 52.50 10.00 7.50 227.50 560.50 1030.50 1271.00 8088.00
2004 1639.00 1392.00 918.00 556.00 308.00 111.00 28.00 122.00 110.50 531.50 879.50 1374.50 7970.00
2005 1610.50 1101.00 1142.50 480.00 375.00 12.50 19.50 35.00 122.50 490.50 901.00 1603.50 7893.50
2006 1221.50 1338.50 1086.00 461.00 294.50 51.00 3.50 5.00 255.00 648.50 892.00 1154.50 7411.00
2007 1506.50 1590.50 974.50 666.00 163.50 29.50 21.00 21.00 186.50 416.00 971.50 1556.41 b 8102.91
2008 1703.00 1538.81 e 1200.50 711.50 325.50 27.50 0.00 15.50 140.50 550.50 950.50 1644.55 a 8808.36
2009 1849.50 1271.00 1060.00 618.50 293.50 111.21 a 46.00 62.50 104.00 728.50 752.50 1531.50 8428.71
2010 1760.28 a 1469.50 937.00 413.00 282.50 37.00 0.00 9.50 208.00 442.50 958.50 1608.90 a 8126.68
2011 1743.20 c 1387.00 1189.00 678.00 308.50 50.00 1.00 9.00 233.00 441.50 867.50 1269.50 8177.20
2012 1383.50 1141.36 a 585.50 555.00 162.00 40.86 a 0.00 67.68 a 210.00 615.50 892.00 1322.00 6975.40
2013 1570.50 1269.13 e 1276.50 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 4116.13
Period of Record Statistics
MEAN 1592.98 1308.01 1059.81 576.33 251.00 53.53 12.95 29.45 179.63 488.14 945.52 1412.26 7935.56
S.D. 200.33 160.74 176.63 107.59 87.31 35.09 14.94 24.29 57.98 107.25 127.06 172.73 565.57
SKEW -0.20 -0.50 -0.30 -0.20 -0.29 1.02 1.96 1.55 0.29 -0.29 0.24 0.51 -0.63
MAX 2000.00 1590.50 1437.00 771.00 410.50 162.50 81.00 122.00 345.50 728.50 1250.00 1890.50 9180.50
MIN 1151.50 878.00 585.50 323.00 41.91 3.00 0.00 0.00 62.00 187.03 601.00 1115.50 5927.00
NO YRS 72 72 73 72 73 74 74 73 74 74 72 74 64