PIERCE, IDAHO

Monthly Total Heating Degree Days

(107046)

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
1963 1547.50 963.00 1009.50 777.50 444.00 292.00 133.00 107.39 c 86.50 l 611.00 933.50 1229.00 8047.39
1964 1256.00 1192.00 1123.00 884.50 646.00 280.50 104.50 256.00 496.00 706.50 1005.50 1307.00 9257.50
1965 1203.50 1028.00 1157.00 735.50 572.00 310.71 b 104.88 a 141.00 540.00 634.00 880.71 b 1225.00 8532.31
1966 1204.00 1108.00 1082.50 784.50 412.30 a 0.00 z 78.50 l 150.00 276.50 749.00 952.00 1139.50 7858.30
1967 1113.00 1021.00 1069.50 839.00 544.00 224.00 84.00 76.00 234.50 727.00 977.50 1278.50 8188.00
1968 1347.50 1028.00 885.50 647.50 g 285.00 m 295.00 145.50 244.50 453.00 817.62 c 995.00 827.50 j 6211.62
1969 1128.00 f 1114.50 1065.50 739.50 429.00 230.00 99.50 183.00 389.50 823.50 977.00 1175.50 7226.50
1970 1222.50 944.00 1022.00 866.50 479.39 c 226.55 a 125.00 173.50 587.00 798.50 982.00 1309.00 8735.95
1971 1223.00 1078.50 1130.50 813.50 441.00 379.00 144.15 a 75.50 570.50 816.50 1041.00 1289.08 a 9002.23
1972 1360.50 1135.00 957.26 b 873.50 468.50 245.50 153.50 94.03 a 517.24 a 700.50 952.00 1351.08 a 8808.62
1973 1355.50 1066.80 c 946.00 747.50 462.50 288.62 a 121.00 148.50 396.21 a 0.00 z 0.00 z 448.50 r 5532.63
1974 1326.50 945.00 731.00 h 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 2271.50
1975 0.00 z 0.00 z 0.00 z 399.00 p 164.00 u 371.25 b 53.00 195.50 333.50 725.50 608.50 l 465.50 s 1678.75
1976 688.50 n 760.50 j 0.00 z 805.71 b 497.50 409.00 112.00 196.00 307.00 697.50 534.00 j 0.00 z 3024.71
1977 0.00 z 0.00 z 0.00 z 399.00 j 570.50 191.00 189.10 a 106.00 395.50 717.50 1031.00 1174.00 4374.60
1978 1071.16 c 945.00 881.50 0.00 z 591.00 285.50 135.50 196.00 373.00 619.00 1102.00 1427.00 7626.66
1979 1614.50 1000.00 941.50 716.00 448.00 246.00 103.00 81.24 b 287.59 a 673.39 d 0.00 z 0.00 z 6111.22
1980 677.00 o 606.00 k 627.50 k 419.00 j 259.00 k 220.50 f 96.00 239.00 323.50 623.50 953.79 a 0.00 z 2235.79
1981 1002.16 b 939.00 816.50 649.00 460.00 344.50 172.00 90.00 388.33 c 753.96 c 834.83 a 1130.97 b 7581.25
1982 1269.00 1129.50 948.00 819.50 574.50 227.50 138.00 110.50 374.00 719.50 1059.00 1216.50 8585.50
1983 1125.00 917.00 830.00 717.50 477.50 290.50 181.50 69.00 497.50 701.50 895.00 1440.00 8142.00
1984 1250.00 1036.00 905.00 752.50 597.50 322.50 110.00 102.00 424.50 788.00 997.00 1349.00 8634.00
1985 1342.50 1171.00 1059.00 709.50 437.00 292.50 23.00 203.00 522.00 795.50 1272.00 1485.00 9312.00
1986 1233.50 1021.48 a 865.50 709.50 479.50 148.00 257.50 53.50 455.50 612.00 975.50 1285.50 8096.98
1987 1288.00 1010.00 932.50 532.50 361.50 213.50 157.50 237.50 279.00 606.50 911.00 1220.00 7749.50
1988 1289.00 1020.50 932.50 603.75 b 510.50 259.00 140.00 161.00 382.00 518.50 941.00 1246.00 8003.75
1989 1206.50 1245.50 982.50 672.50 532.50 226.50 100.50 144.00 272.50 617.00 888.00 1140.50 8028.50
1990 738.00 j 1093.00 908.00 588.00 420.00 i 299.50 66.50 j 139.50 218.50 507.50 i 672.00 i 717.00 n 3246.50
1991 870.50 j 606.50 i 652.50 j 701.50 387.50 i 249.00 j 91.50 87.50 373.97 a 518.50 j 503.50 n 816.50 j 1254.47
1992 803.50 j 612.00 j 506.00 i 641.90 a 254.00 l 185.50 159.50 184.50 436.61 b 440.50 k 658.00 k 1279.50 2887.50
1993 1353.50 755.50 j 898.48 a 726.21 a 176.50 k 335.00 189.50 j 190.00 381.21 a 386.50 k 744.50 i 693.50 l 3884.40
1994 715.00 j 725.00 i 635.50 i 394.50 k 246.00 j 304.66 a 64.00 i 97.00 258.62 a 450.00 i 703.50 k 611.50 o 660.28
1995 761.50 l 529.50 m 963.00 422.00 l 307.00 i 298.00 54.00 m 208.45 b 200.50 j 465.00 l 509.50 m 453.00 r 1469.45
1996 625.50 p 747.50 j 553.00 l 680.50 422.50 i 182.50 j 48.50 i 92.50 i 259.50 k 446.50 j 602.00 k 751.50 l 680.50
1997 677.00 o 700.50 i 555.00 m 794.50 278.50 j 166.00 j 101.00 i 63.00 185.50 i 474.50 i 511.00 m 686.50 m 857.50
1998 574.00 o 491.50 m 469.50 o 305.50 o 264.50 k 179.50 i 8.78 a 54.50 l 119.00 j 382.50 m 440.50 o 274.00 w 8.78
1999 428.00 s 538.00 m 590.00 m 461.50 m 316.00 n 247.00 h 119.50 f 66.00 385.50 631.50 796.00 1117.00 2996.00
2000 1138.00 954.00 858.00 586.00 443.50 282.00 124.00 151.50 392.50 647.00 1119.00 1243.00 7938.50
2001 1203.00 1030.50 875.50 723.00 454.00 320.00 104.50 90.50 246.00 658.00 835.00 1224.50 7764.50
2002 1118.00 1065.50 1036.00 732.50 522.00 247.00 85.00 206.50 318.50 785.00 928.00 1071.00 8115.00
2003 1015.50 985.00 874.50 679.00 486.00 214.00 67.50 66.50 297.00 531.50 1056.50 1143.00 7416.00
2004 1227.50 1018.00 815.00 612.00 476.50 213.00 67.00 99.50 368.50 651.50 917.00 1118.50 7584.00
2005 1131.50 947.50 834.50 665.00 418.50 321.50 93.50 143.50 435.50 626.50 969.00 1322.50 7909.00
2006 1026.00 1096.00 948.00 661.00 412.50 189.11 b 25.00 j 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4332.61
Period of Record Statistics
MEAN 1235.46 1040.27 954.80 721.78 488.31 272.46 117.20 140.69 383.47 690.12 971.62 1247.75 8256.43
S.D. 139.46 81.74 96.00 86.55 65.71 59.00 47.61 58.44 96.21 81.89 95.63 103.81 549.93
SKEW 0.65 0.58 0.47 -0.03 0.54 0.14 0.31 0.29 0.29 -0.07 0.90 0.45 0.44
MAX 1614.50 1245.50 1157.00 884.50 646.00 409.00 257.50 256.00 587.00 823.50 1272.00 1485.00 9312.00
MIN 1002.16 917.00 815.00 532.50 361.50 148.00 8.78 53.50 218.50 518.50 796.00 1071.00 7416.00
NO YRS 30 31 32 34 30 36 34 40 37 32 29 28 21