PRESTON, IDAHO

Monthly Total Heating Degree Days

(107346)

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
1964 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 489.00 937.00 1145.97 a 2571.97
1965 1213.00 1032.00 1064.33 a 550.50 452.08 a 180.52 a 18.00 61.50 410.69 a 494.50 829.50 1340.00 7646.62
1966 1363.48 a 1281.00 0.00 z 639.50 284.68 a 157.50 3.50 35.00 155.50 614.00 805.86 a 1338.00 6678.03
1967 1224.50 1035.00 898.50 545.50 h 420.50 204.50 10.50 2.50 155.00 559.50 814.00 1414.50 6739.00
1968 1490.50 1061.50 837.50 763.50 448.50 192.00 25.00 132.50 235.00 k 347.50 p 947.00 1263.25 a 7161.25
1969 1202.50 1206.00 1231.00 237.50 q 224.23 a 223.00 50.50 14.50 139.50 716.00 881.00 1132.50 7020.73
1970 1185.50 863.00 980.00 839.00 393.00 196.50 37.50 1.00 367.50 689.75 a 861.50 1298.00 7712.25
1971 1320.50 1084.50 1058.65 a 0.00 z 407.50 181.50 12.00 12.50 347.50 687.50 971.50 1415.00 7498.65
1972 1293.14 c 1070.50 752.50 674.42 d 0.00 z 87.00 f 26.02 c 24.05 b 285.58 d 539.40 a 973.89 c 1446.09 d 7085.59
1973 1432.41 b 0.00 z 711.50 j 558.00 h 0.00 z 0.00 z 33.30 d 18.00 i 163.00 n 549.22 a 936.00 e 1197.78 b 4148.70
1974 1424.85 d 1236.87 e 401.50 q 401.50 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2661.72
1975 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
1976 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
1977 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
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 0.00 z 0.00 z 0.00 z 0.00
1979 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
1980 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 156.00 4.50 56.50 0.00 z 572.50 0.00 z 1181.50 1971.00
1981 1236.00 1039.00 802.00 488.50 376.65 a 136.50 8.00 6.72 a 92.00 600.00 807.93 a 1086.00 6679.30
1982 1400.50 1230.00 889.50 707.00 443.00 157.00 36.00 0.00 218.00 671.00 1005.00 0.00 z 6757.00
1983 1163.50 979.00 836.50 747.50 461.00 163.50 45.00 8.00 182.59 a 494.00 895.50 1335.67 b 7311.76
1984 1523.00 1370.00 1061.50 682.00 338.50 223.50 6.00 4.00 247.50 732.50 957.00 1412.50 8558.00
1985 1587.00 1419.00 1179.00 523.00 277.50 98.79 a 0.57 d 34.50 316.50 592.50 1118.00 1564.00 8710.37
1986 1349.50 879.00 660.50 627.93 a 0.00 z 51.50 28.50 o 1.50 h 330.50 530.50 872.00 1230.00 6531.43
1987 1539.00 984.00 842.50 424.50 249.00 78.50 25.00 34.50 134.50 0.00 z 897.00 1286.50 6495.00
1988 1447.50 1151.00 918.50 554.00 360.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4431.50
1989 1593.50 0.00 z 833.50 473.00 367.50 117.50 0.00 z 45.50 181.50 522.00 893.00 1299.00 6326.00
1990 1214.50 1137.00 779.00 0.00 z 445.50 167.50 2.50 14.00 64.00 545.50 881.00 1606.00 6856.50
1991 1500.50 0.00 z 831.00 643.00 475.50 0.00 z 0.00 z 3.00 194.00 535.00 944.50 1436.00 6562.50
1992 1536.50 988.50 666.00 395.50 196.00 92.50 45.50 62.50 211.00 465.00 1116.50 1412.50 7188.00
1993 1451.00 1207.50 914.00 661.00 260.00 218.00 120.50 47.00 250.00 564.00 1111.50 1241.50 8046.00
1994 1080.00 1075.50 769.50 492.00 184.00 74.00 15.00 8.00 96.50 584.00 1142.50 1145.00 6666.00
1995 1175.00 861.50 810.50 633.00 419.00 224.50 16.50 15.00 181.50 613.50 727.00 1046.50 6723.50
1996 1207.50 1140.00 840.50 621.50 380.00 67.00 1.50 31.00 280.00 554.50 863.00 1178.50 7165.00
1997 1230.00 1112.00 856.00 704.50 316.50 0.00 z 0.00 z 13.50 169.00 0.00 z 0.00 z 1411.50 5813.00
1998 0.00 z 968.00 913.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 529.50 832.50 1329.50 4573.00
1999 1135.12 a 1022.50 773.00 725.00 441.50 160.00 7.50 7.75 a 261.00 516.50 739.14 a 1236.50 7025.50
2000 1095.00 881.50 840.00 487.50 308.00 112.00 1.00 0.00 z 0.00 z 548.00 1103.79 a 1250.00 6626.79
2001 1590.00 1130.00 0.00 z 0.00 z 216.50 105.00 0.00 z 0.00 91.00 476.00 0.00 z 1447.50 5056.00
2002 1348.00 1343.00 1006.50 540.00 339.00 110.00 0.50 7.50 161.50 632.50 958.00 1079.00 7525.50
2003 983.50 1058.00 744.50 572.50 336.00 92.50 0.00 5.00 197.50 413.00 1004.00 1077.00 6483.50
2004 1532.00 1202.50 737.50 490.00 339.00 71.50 1.00 53.00 235.34 a 507.50 911.00 0.00 z 6080.34
2005 1268.50 1178.50 931.50 561.00 300.50 180.50 1.50 6.50 205.00 471.50 855.00 1250.00 7210.00
2006 1132.50 1115.00 908.00 501.00 260.50 48.00 0.00 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3965.00
Period of Record Statistics
MEAN 1327.70 1101.28 880.22 597.21 345.86 141.38 19.80 24.90 212.47 562.81 924.75 1288.89 7376.75
S.D. 167.83 141.36 133.46 110.37 85.12 55.32 25.24 28.42 87.10 76.69 108.12 140.61 669.83
SKEW 0.00 0.25 0.80 0.18 -0.25 -0.08 2.41 1.99 0.43 0.52 0.43 0.21 0.65
MAX 1593.50 1419.00 1231.00 839.00 475.50 224.50 120.50 132.50 410.69 732.50 1142.50 1606.00 8710.37
MIN 983.50 861.50 660.50 395.50 184.00 48.00 0.00 0.00 64.00 413.00 727.00 1046.50 6483.50
NO YRS 35 33 32 28 31 30 28 30 29 32 32 33 15