TURNER 11 N, MONTANA

Monthly Total Heating Degree Days

(248415)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1985 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 688.00 1656.00 1489.50 3833.50
1986 1183.00 1492.81 a 725.00 676.00 360.63 a 42.50 51.50 48.05 a 448.50 519.50 1213.50 1210.00 7971.00
1987 1227.50 984.50 1001.82 a 436.00 200.50 81.50 73.22 b 117.50 170.17 a 619.50 870.50 1248.00 7030.71
1988 1533.00 1315.00 955.50 565.00 181.50 9.50 m 12.00 44.00 293.50 582.00 1115.00 1422.00 8018.50
1989 1495.50 1689.50 1281.00 674.00 357.00 127.00 0.50 58.50 288.50 636.50 1034.50 1490.50 9133.00
1990 1316.00 1273.00 972.00 676.50 394.00 153.00 59.00 32.50 132.00 667.00 1052.50 1690.00 8417.50
1991 1680.50 888.00 1059.00 631.00 387.50 119.50 24.50 10.00 243.00 744.00 1153.00 1242.00 8182.00
1992 1111.50 1046.50 819.50 594.50 298.50 138.00 133.50 155.50 336.00 57.00 z 1055.50 1677.50 7366.50
1993 1798.00 1505.50 945.50 643.00 299.50 186.50 172.50 122.00 330.00 626.50 1193.50 1244.50 9067.00
1994 1710.50 1643.50 878.00 603.00 272.00 138.00 41.00 45.00 156.50 629.50 1071.00 1283.00 8471.00
1995 1472.50 1105.00 1097.00 809.50 431.00 127.00 44.50 47.00 304.00 669.50 1109.00 1618.00 8834.00
1996 2017.00 1339.50 1370.50 676.00 522.00 112.50 50.50 32.50 331.00 690.00 1465.00 1820.50 10427.00
1997 1800.00 1161.00 1142.50 763.00 371.00 58.50 47.00 61.50 137.00 611.50 1050.00 1174.00 8377.00
1998 1700.00 942.50 1162.00 549.00 279.00 198.00 6.50 3.00 147.00 573.00 1006.50 1441.50 8008.00
1999 1576.35 a 1010.50 917.50 636.00 396.00 187.00 86.00 25.00 347.50 601.50 752.50 1077.00 7612.85
2000 1566.00 1206.50 926.00 625.00 335.00 187.50 18.00 36.50 283.50 643.00 1189.50 1745.00 8761.50
2001 1257.50 1537.00 982.00 645.50 298.50 168.00 7.00 15.00 172.00 658.50 846.00 1389.83 a 7976.83
2002 1398.50 1125.00 1698.50 833.50 499.50 163.00 14.00 118.00 260.00 889.50 916.50 1185.50 9101.50
2003 1482.50 1348.50 1199.50 567.00 401.50 163.50 21.50 24.50 310.00 510.50 1413.00 1334.50 8776.50
2004 1733.00 1444.50 942.00 528.50 486.50 229.50 45.50 103.00 275.00 657.50 952.50 1289.00 8686.50
2005 1713.50 1058.00 997.50 574.50 429.50 157.50 16.00 65.50 251.50 569.50 928.50 1465.00 8226.50
2006 1100.00 1218.00 1210.50 483.50 290.50 96.72 a 0.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4399.22
Period of Record Statistics
MEAN 1517.73 1254.02 1061.09 628.10 356.72 141.74 46.21 58.23 260.83 639.33 1097.33 1406.52 8503.36
S.D. 250.72 233.86 213.79 97.28 90.75 47.71 43.72 42.66 84.98 81.84 214.05 208.13 728.75
SKEW -0.08 0.27 1.24 0.29 -0.04 -0.36 1.55 0.84 0.05 1.22 0.92 0.45 0.54
MAX 2017.00 1689.50 1698.50 833.50 522.00 229.50 172.50 155.50 448.50 889.50 1656.00 1820.50 10427.00
MIN 1100.00 888.00 725.00 436.00 181.50 42.50 0.50 3.00 132.00 510.50 752.50 1077.00 7030.71
NO YRS 21 21 21 21 21 20 20 20 20 20 21 21 18