SILVER CITY 5 W, IDAHO

Monthly Total Heating Degree Days

(108412)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201207
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
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 948.46 d 1324.65 e 2273.12
1979 1447.46 e 839.50 f 573.50 k 790.00 c 454.67 a 180.50 26.19 b 85.00 f 52.00 k 409.50 j 630.00 j 473.00 p 2898.82
1980 724.00 m 682.00 f 796.50 i 497.00 h 0.00 z 223.00 j 23.50 j 104.00 g 0.00 z 0.00 z 0.00 z 297.50 u 0.00
1981 389.00 r 595.50 j 669.50 j 383.00 j 296.50 p 0.00 z 20.00 l 0.00 j 91.00 l 471.50 i 436.00 l 531.00 p 0.00
1982 841.00 k 1144.64 c 654.00 m 580.50 j 389.50 k 178.00 i 81.00 j 15.50 i 255.50 i 485.50 j 704.50 j 782.50 k 1144.64
1983 670.00 j 1003.85 a 968.50 615.50 j 408.00 j 297.93 a 82.50 k 74.00 284.00 325.50 j 619.50 j 722.50 o 2628.28
1984 796.50 j 1048.50 1004.50 886.50 602.50 414.00 28.50 14.50 307.50 811.50 1078.00 1299.00 7495.00
1985 1216.50 1163.50 1072.00 603.00 356.50 126.00 12.40 a 116.00 482.59 a 630.00 1201.50 1108.52 b 8088.50
1986 895.00 878.50 705.50 738.00 482.57 a 85.00 54.00 5.50 485.00 516.00 901.55 a 1026.00 6772.62
1987 1253.50 972.00 979.00 521.50 415.00 200.50 149.00 74.50 118.00 349.50 859.50 772.50 k 5892.00
1988 1187.50 892.79 a 950.50 394.00 j 415.92 a 201.00 52.50 39.00 285.00 293.50 1053.00 1189.50 6560.20
1989 1225.50 1209.00 958.50 592.00 534.00 140.50 12.50 108.50 176.50 588.50 907.76 a 1054.00 7507.26
1990 1083.00 1070.00 882.00 554.00 582.50 267.50 49.00 101.50 71.00 538.00 870.50 749.00 n 6069.00
1991 833.50 i 491.00 i 717.00 j 794.50 398.50 l 236.50 j 12.50 i 0.00 i 174.31 a 0.00 z 943.00 1066.00 2977.81
1992 1031.50 869.50 762.00 551.00 201.50 179.50 99.00 64.00 188.50 426.00 1016.50 1248.00 6637.00
1993 1289.00 1072.00 850.50 819.50 361.50 395.00 265.00 153.00 194.50 523.50 1026.50 1080.00 8030.00
1994 1016.50 1069.50 755.00 636.00 351.50 200.00 32.50 13.00 110.50 631.00 1194.00 1178.50 7188.00
1995 1094.50 747.00 969.00 778.00 517.50 336.50 45.50 56.00 173.00 556.00 720.00 c 1111.87 a 7104.87
1996 1149.50 964.00 882.50 699.50 556.50 175.00 11.00 48.00 293.50 527.00 843.00 1123.00 7272.50
1997 1156.00 998.50 868.50 818.50 324.00 228.50 64.50 0.50 124.00 500.00 758.50 1014.00 6855.50
1998 993.00 970.00 894.00 751.00 574.53 a 355.50 1.00 4.50 0.00 z 678.50 801.72 a 1295.50 7319.26
1999 1183.50 537.00 n 785.50 f 500.50 m 301.00 n 177.50 p 3.00 y 27.50 r 83.50 r 151.00 t 186.00 t 0.00 z 1183.50
2000 466.00 s 230.00 w 403.50 s 292.50 o 361.00 l 68.00 m 10.00 q 0.50 m 70.00 q 216.00 u 442.00 r 185.00 y 0.00
2001 462.50 s 572.00 m 293.00 u 299.50 p 147.00 q 133.00 p 45.50 q 0.00 l 28.00 o 355.00 j 347.00 s 631.50 o 0.00
2002 775.00 l 633.50 j 0.00 z 452.00 j 396.00 j 85.00 m 0.00 z 82.00 j 148.00 l 437.00 j 386.00 o 651.50 l 0.00
2003 583.00 k 519.00 n 551.00 m 572.50 j 251.50 o 96.50 k 1.00 q 16.00 q 190.00 l 309.00 o 700.00 m 723.00 m 0.00
2004 567.00 q 549.00 p 0.00 z 0.00 z 448.50 k 221.00 n 46.00 m 71.00 m 274.00 616.38 a 966.50 1055.50 2912.38
2005 1056.50 904.50 889.50 703.50 484.00 289.50 6.00 9.00 205.34 a 479.50 866.50 1128.92 a 7022.76
2006 1116.53 b 1061.50 1105.50 754.14 a 412.82 a 139.80 e 0.00 a 32.03 a 244.50 557.50 951.92 d 1249.00 7625.25
2007 1268.00 955.50 796.50 0.00 z 334.00 161.50 0.00 z 15.50 250.00 0.00 z 841.00 1350.10 b 5972.10
2008 1303.00 1057.46 a 1105.50 920.00 538.50 256.50 0.00 a 28.00 0.00 z 0.00 z 769.50 1226.50 7204.96
2009 1138.45 b 1052.00 0.00 z 816.50 399.50 335.89 b 36.00 0.00 z 92.50 767.00 0.00 z 1329.00 5966.84
2010 1113.50 1019.50 1031.00 0.00 z 597.50 h 310.50 60.00 101.00 0.00 z 530.50 0.00 z 0.00 z 4166.00
2011 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
2012 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4.00
Period of Record Statistics
MEAN 1153.24 1005.62 921.50 722.48 444.98 239.85 48.03 52.90 226.71 553.68 929.47 1172.88 7282.20
S.D. 124.25 106.79 114.10 116.93 105.76 91.89 61.65 44.61 112.90 125.26 131.27 110.37 484.10
SKEW 0.19 -0.33 -0.11 -0.25 -0.35 0.28 2.35 0.62 0.93 0.03 0.52 0.18 0.45
MAX 1447.46 1209.00 1105.50 920.00 602.50 414.00 265.00 153.00 485.00 811.50 1201.50 1350.10 8088.50
MIN 895.00 747.00 705.50 521.50 201.50 85.00 0.00 0.50 71.00 293.50 720.00 1014.00 6637.00
NO YRS 21 22 20 19 20 22 21 20 20 19 21 20 11