ELK CITY RANGER STN, IDAHO

Monthly Total Heating Degree Days

(102875)

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
1950 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 1026.00 1026.00
1951 1393.00 1059.50 1124.00 727.00 493.00 436.50 140.00 235.00 414.00 683.50 0.00 z 1389.50 8095.00
1952 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 173.50 183.50 353.00 631.00 1093.97 a 1108.25 c 3543.22
1953 977.02 a 521.00 m 430.50 p 754.00 0.00 z 0.00 z 203.80 d 186.57 d 318.50 604.50 667.00 f 0.00 z 3044.39
1954 0.00 z 965.50 0.00 z 0.00 z 449.00 0.00 z 140.00 256.00 344.00 709.50 828.50 697.00 o 3692.50
1955 1357.80 a 0.00 z 1255.50 d 921.50 629.00 351.00 168.43 a 219.00 414.50 323.00 m 1172.88 d 922.00 j 6489.62
1956 1104.00 f 1227.32 a 1101.50 676.73 d 231.00 m 303.10 a 120.00 221.65 a 386.90 a 706.80 a 0.00 z 0.00 z 4744.00
1957 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 145.50 212.00 333.62 a 653.00 0.00 z 0.00 z 1344.12
1958 0.00 z 0.00 z 0.00 z 319.00 r 305.00 209.50 133.30 a 94.60 b 0.00 z 572.98 a 1071.11 c 816.00 g 2386.50
1959 1251.22 b 808.50 g 1035.06 d 713.57 b 640.15 a 257.50 110.00 g 90.50 o 241.00 h 493.00 h 700.00 l 1325.25 e 5222.75
1960 1551.50 771.50 l 752.50 j 726.72 a 568.91 d 348.33 c 71.00 224.50 307.50 d 668.29 e 982.50 d 846.00 k 5449.25
1961 1021.00 f 887.38 b 987.50 795.54 b 508.00 132.93 a 90.50 44.29 c 266.50 i 681.45 c 1100.19 d 1327.63 e 6555.41
1962 1440.39 c 1053.65 e 653.00 l 663.00 e 587.40 b 341.40 e 219.00 179.00 0.00 z 615.50 887.07 a 1214.96 e 7201.37
1963 1224.00 g 852.92 b 1037.39 c 810.00 b 498.77 c 346.07 b 185.50 152.93 a 123.50 f 542.50 b 710.00 f 1041.50 f 4426.09
1964 1365.11 c 1232.50 b 1188.13 e 867.60 e 620.00 289.80 e 89.26 b 209.50 470.89 b 648.70 d 982.50 1322.15 a 9286.15
1965 1204.83 e 839.50 f 1211.21 c 539.00 g 663.18 c 371.00 147.54 d 174.50 549.83 a 584.00 909.23 d 1264.50 7079.82
1966 1301.00 1137.77 b 1077.50 833.00 528.07 b 403.50 157.07 a 182.00 272.50 747.50 945.00 1163.02 a 8747.92
1967 1160.50 994.00 a 1099.50 880.50 441.50 g 287.00 108.50 a 141.64 b 298.50 708.50 977.00 1343.69 b 7999.33
1968 1381.00 972.50 893.00 863.50 599.50 343.00 0.00 z 243.50 396.00 735.00 997.00 1341.50 8765.50
1969 1394.00 1112.00 1113.00 700.00 436.07 a 265.34 a 172.50 211.32 a 375.50 837.50 953.08 d 1157.00 8727.30
1970 1223.50 951.00 1055.00 937.50 556.34 c 243.89 c 123.48 a 181.19 b 452.00 f 768.80 a 959.46 b 1425.50 8425.67
1971 1266.72 b 1096.31 b 1200.96 d 826.07 b 474.54 e 364.62 d 148.11 d 87.46 c 481.00 g 847.69 b 1094.48 a 1348.50 b 8755.47
1972 1372.86 c 1113.15 c 959.97 a 874.80 e 555.23 c 251.00 186.50 114.50 551.50 683.60 b 1005.54 b 1527.86 c 9196.51
1973 1381.50 0.00 z 981.48 c 812.59 a 544.00 347.00 189.50 196.85 a 418.00 712.50 1074.00 1145.00 7802.42
1974 1454.00 1039.50 1130.00 776.50 633.50 219.50 102.82 a 206.00 381.50 654.00 878.00 1236.50 8711.82
1975 1272.50 1147.50 1117.50 939.50 671.00 395.00 79.57 a 260.00 387.00 718.50 1065.50 1257.71 c 9311.28
1976 1308.50 1168.50 1160.50 790.50 492.50 391.00 133.50 196.00 322.50 687.00 918.50 1294.77 a 8863.77
1977 1484.00 957.60 c 1094.82 a 721.00 634.00 226.50 229.00 180.50 440.50 679.50 1058.28 a 1237.50 8943.19
1978 1164.57 a 958.50 861.50 713.00 641.50 347.50 151.50 267.50 434.00 711.50 0.00 z 1568.50 7819.57
1979 1731.87 a 1082.50 973.50 772.00 532.00 323.50 186.00 143.50 327.50 652.00 1115.50 1188.50 9028.37
1980 1404.00 951.50 1020.50 622.50 500.00 342.50 161.50 324.00 339.00 659.50 915.50 1126.00 8366.50
1981 1033.00 981.00 867.50 703.50 538.00 367.50 207.00 134.00 383.00 768.50 862.00 1238.00 8083.00
1982 1444.50 1261.50 982.50 895.00 612.50 260.00 174.50 118.50 392.50 693.00 1115.00 1313.50 9263.00
1983 1210.50 954.00 841.50 796.00 545.00 349.50 222.50 77.00 468.50 664.00 917.00 1673.50 8719.00
1984 1347.50 1147.00 939.50 779.00 615.50 357.00 161.00 120.50 448.00 797.00 992.00 1491.50 9195.50
1985 1361.00 1248.15 b 1125.00 694.00 467.00 297.50 50.50 237.50 505.50 796.50 1260.00 1408.95 a 9451.60
1986 1209.50 949.50 797.00 731.00 514.00 151.00 269.50 100.50 456.00 608.50 969.50 1302.00 8058.00
1987 1378.47 a 1004.50 938.50 584.50 400.50 237.00 206.00 287.50 348.00 636.00 967.00 1285.50 8273.47
1988 1382.50 1019.00 1003.50 659.50 534.00 217.50 b 137.00 173.00 402.50 470.00 999.50 1354.00 8352.00
1989 1248.50 1284.50 1005.00 694.00 570.50 277.00 91.00 212.50 348.00 683.00 945.50 1187.00 8546.50
1990 1122.50 1154.50 938.00 589.50 574.00 325.00 104.00 152.50 216.50 760.00 1004.50 1591.50 8532.50
1991 1387.00 873.00 993.50 781.50 607.00 392.00 110.00 94.00 341.50 711.50 1041.50 1296.50 8629.00
1992 1280.50 897.00 749.50 638.00 415.00 221.00 202.00 189.50 429.50 629.50 1099.00 1382.00 8132.50
1993 1395.00 1146.50 845.50 759.50 375.00 353.00 333.00 236.50 408.50 645.50 1170.50 1191.00 8859.50
1994 1120.13 a 1138.50 930.50 651.00 447.50 328.00 140.00 131.00 293.50 675.00 1152.93 a 1301.00 8309.06
1995 1272.00 886.50 961.00 771.00 532.17 a 341.50 151.90 a 229.92 a 313.00 762.50 959.46 b 1248.00 8428.95
1996 1258.00 1133.00 988.00 713.28 a 632.50 309.00 102.00 157.00 441.50 696.00 980.40 e 800.50 l 7410.68
1997 1320.00 1045.50 999.50 843.00 452.00 282.50 182.50 111.00 280.50 700.71 b 925.00 c 1329.00 8471.21
1998 1212.50 984.50 955.00 719.50 0.00 z 358.50 25.00 80.50 202.50 695.00 909.50 1281.50 7424.00
1999 1127.92 e 1082.48 c 1017.63 e 830.77 d 647.42 e 378.75 b 213.68 c 87.04 e 421.07 b 523.50 f 848.08 d 1177.50 7832.35
2000 1227.00 936.00 915.50 641.54 d 517.38 b 255.00 j 137.20 d 183.79 c 429.31 a 691.82 a 1141.50 1293.73 a 8114.77
2001 1256.50 1093.00 929.48 a 790.86 a 489.91 c 344.42 d 138.35 d 96.74 b 263.65 d 704.50 855.54 b 1302.55 c 8265.52
2002 1226.00 1111.00 1139.50 766.50 572.50 285.50 78.50 261.00 355.50 788.00 944.44 c 1102.50 8630.94
2003 1069.00 1087.33 a 946.00 760.50 467.50 f 260.00 71.00 84.50 335.50 631.50 1144.00 1214.00 7603.33
2004 1249.00 1088.00 858.50 688.00 566.00 276.00 107.50 142.50 396.00 646.00 961.80 e 1175.00 8154.30
2005 1199.00 1004.50 908.00 766.50 512.00 385.00 62.50 n 175.00 477.50 609.00 1055.40 e 1360.00 8451.90
2006 1114.00 1171.50 1042.50 717.00 515.24 b 137.00 k 24.00 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4560.24
Period of Record Statistics
MEAN 1291.69 1056.24 1006.05 758.49 539.05 309.84 149.47 174.12 379.05 684.00 1004.29 1294.46 8673.74
S.D. 137.22 110.23 113.16 86.25 80.07 65.92 56.43 62.02 76.03 70.80 98.87 130.75 407.52
SKEW 0.35 0.12 0.08 0.16 -0.54 -0.58 0.51 0.03 0.01 -0.16 0.39 0.72 0.28
MAX 1731.87 1284.50 1255.50 939.50 671.00 436.50 333.00 324.00 551.50 847.69 1260.00 1673.50 9451.60
MIN 977.02 852.92 749.50 584.50 305.00 132.93 25.00 44.29 202.50 470.00 828.50 1026.00 8058.00
NO YRS 49 47 49 51 49 50 52 54 48 52 48 47 29