JEROME, IDAHO

Monthly Total Heating Degree Days

(104670)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1915 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 135.00 m 368.50 852.00 1094.00 2314.50
1916 1310.50 939.00 700.50 467.00 405.00 170.00 15.00 40.50 176.50 539.50 982.00 1231.73 a 6977.23
1917 1461.50 1109.00 1203.50 684.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 678.50 786.22 b 5923.22
1918 992.50 936.00 677.00 548.89 c 372.00 35.50 5.68 a 70.55 b 100.50 f 450.00 864.00 1068.97 b 6021.09
1919 1088.10 a 960.30 a 815.50 452.59 a 252.43 c 84.83 a 0.00 m 0.00 b 120.50 665.97 b 876.50 1281.16 b 6597.86
1920 1134.60 a 877.50 814.00 620.36 b 324.95 c 86.79 b 0.55 c 52.00 148.45 a 533.20 a 823.89 c 1065.00 6481.28
1921 1083.89 c 934.37 a 218.50 u 648.89 c 298.00 78.50 24.00 0.00 312.50 394.00 700.00 1043.00 5517.15
1922 1483.98 d 581.00 m 1014.00 672.00 341.00 38.00 8.00 5.00 124.50 374.00 861.50 1153.00 6074.98
1923 1058.00 552.50 n 838.50 532.24 a 270.00 145.00 0.00 0.00 128.50 553.00 736.00 1164.50 5425.74
1924 1234.50 763.00 890.50 529.50 141.00 80.50 2.50 13.00 139.50 453.00 806.00 1343.50 6396.50
1925 1158.00 779.00 692.00 449.00 147.50 152.50 0.00 29.50 166.50 531.50 805.00 956.50 5867.00
1926 1150.50 772.00 663.50 308.00 188.00 27.50 0.00 12.50 266.00 412.50 676.50 1148.50 5625.50
1927 1085.50 843.50 787.50 538.00 364.50 50.50 3.00 22.50 203.50 380.50 652.00 1195.50 6126.50
1928 1092.00 931.50 675.50 569.50 114.50 o 288.21 b 6.50 11.50 114.31 a 421.17 b 0.00 z 1257.50 5367.70
1929 1408.00 1232.50 870.50 591.50 269.59 c 103.85 d 0.00 z 0.00 258.50 386.50 880.00 910.37 a 6911.30
1930 1445.50 721.00 684.00 303.50 318.50 79.50 0.00 0.00 136.00 504.50 929.50 1320.00 6442.00
1931 1197.00 892.23 b 761.00 440.00 176.00 18.10 a 10.91 d 8.50 138.00 390.71 b 918.50 1204.00 6154.95
1932 1288.00 1122.50 828.00 467.00 312.00 181.50 7.50 38.50 97.00 492.50 658.50 1356.00 6849.00
1933 1220.50 1308.00 865.50 534.50 386.00 8.00 0.00 24.00 144.00 283.00 717.00 860.00 6350.50
1934 896.00 614.50 208.00 t 269.50 80.50 71.50 0.00 0.00 175.50 310.50 623.00 1049.00 4090.00
1935 1097.00 907.50 797.50 515.00 334.00 65.50 5.50 7.50 58.00 461.50 976.50 1105.00 6330.50
1936 1211.00 1133.50 877.00 383.50 165.50 56.50 0.00 c 5.50 153.62 a 404.50 0.00 z 1030.00 5420.62
1937 1585.50 1089.50 790.50 376.00 i 172.00 108.62 a 0.00 17.00 74.00 137.50 r 275.00 s 975.00 4812.12
1938 1004.00 816.00 849.50 394.00 f 252.59 d 50.50 23.50 11.00 26.50 387.00 946.00 1012.00 5378.59
1939 1070.00 1082.00 756.50 395.00 149.50 130.50 4.50 4.00 98.00 451.00 682.00 872.00 5695.00
1940 1132.50 856.00 663.50 472.00 129.00 42.50 0.00 0.00 152.00 393.50 889.50 952.00 5682.50
1941 1022.00 753.50 644.50 285.50 j 186.50 84.50 0.00 11.50 235.50 465.00 702.00 1029.50 5134.50
1942 1332.00 1068.50 867.50 414.00 398.50 124.00 0.00 28.50 109.50 391.00 763.00 1067.36 b 6563.86
1943 1153.00 896.00 847.00 335.50 341.50 174.00 18.00 23.00 74.00 411.50 746.00 994.50 6014.00
1944 1286.00 983.00 871.00 544.00 232.50 192.00 5.50 2.50 143.50 246.50 890.50 1119.50 6516.50
1945 1093.00 857.00 826.00 610.50 296.00 190.00 0.00 14.00 260.00 400.50 892.00 1193.00 6632.00
1946 1246.50 1059.50 770.00 409.00 295.50 52.00 0.00 n 0.00 152.50 663.50 849.50 929.50 6427.50
1947 1303.00 781.50 645.50 476.00 143.50 141.50 0.00 9.50 146.00 407.00 948.00 1112.50 6114.00
1948 1127.00 1026.50 930.50 554.00 294.00 58.50 9.50 14.00 177.50 432.00 905.00 1329.00 6857.50
1949 1792.50 1112.50 848.00 407.00 210.50 86.00 0.50 j 0.00 a 97.00 595.41 b 610.50 1117.00 6876.41
1950 1310.00 969.00 856.50 596.50 404.00 146.50 13.50 12.50 p 88.50 v 319.00 719.48 a 922.00 6256.48
1951 1243.00 900.50 955.50 459.50 294.50 129.50 4.00 31.52 a 126.00 527.50 835.00 1236.00 6742.52
1952 1312.50 1186.50 1030.50 421.50 223.00 84.00 11.00 9.50 75.50 293.50 972.00 1054.00 6673.50
1953 832.00 839.50 750.50 608.00 455.70 a 161.00 0.00 13.50 84.50 365.00 627.50 1077.80 c 5815.00
1954 1015.50 740.00 869.55 a 475.50 216.50 187.50 9.50 39.50 145.00 507.07 c 673.97 a 1169.00 6048.59
1955 1307.50 1079.50 972.88 a 623.00 349.78 a 76.61 b 43.50 0.00 217.00 401.45 a 925.50 1017.00 7013.72
1956 997.50 1155.00 766.00 462.93 a 232.50 69.44 c 8.00 36.00 106.55 a 507.50 891.50 1082.00 6314.93
1957 1358.50 886.50 724.00 521.50 226.00 79.50 1.50 8.50 95.50 462.00 904.00 916.88 e 6184.38
1958 1104.00 698.00 797.00 562.50 129.00 79.50 3.00 0.00 150.50 350.50 793.50 865.50 5533.00
1959 1014.00 835.00 774.50 425.50 392.50 45.00 10.50 21.50 246.00 452.00 799.50 1069.00 6085.00
1960 1263.00 1051.00 717.00 452.50 309.50 23.50 0.00 66.00 76.50 467.50 782.00 1078.00 6286.50
1961 1012.50 750.00 724.50 518.00 224.00 16.50 0.00 0.00 262.50 511.50 843.50 1124.50 5987.50
1962 1358.32 a 923.00 894.50 409.50 350.50 114.00 11.50 51.50 101.00 410.50 731.50 1004.00 6359.82
1963 1362.50 664.00 780.00 621.50 217.50 154.50 1.00 0.00 46.00 285.00 765.50 1194.50 6092.00
1964 1282.50 1253.00 1011.50 587.50 285.00 148.50 1.00 46.50 203.00 355.00 846.00 1004.50 7024.00
1965 1025.50 820.00 855.00 441.50 368.00 94.00 2.50 35.00 290.50 307.00 640.50 1053.50 5933.00
1966 1069.00 910.00 723.50 495.00 164.00 93.50 5.50 8.50 71.50 459.50 680.00 1089.00 5769.00
1967 963.50 758.00 720.50 630.00 263.50 119.00 0.00 0.00 50.50 404.50 718.50 1286.00 5914.00
1968 1143.00 782.00 633.50 578.00 251.50 80.00 0.00 110.00 165.50 436.00 826.50 1102.00 6108.00
1969 1078.50 1006.50 936.50 409.50 145.00 87.00 3.50 5.00 62.50 595.50 767.50 1021.50 6118.50
1970 1027.65 a 697.50 785.00 668.00 269.00 94.50 1.00 0.00 227.50 542.50 752.68 b 1080.50 6145.83
1971 1060.00 852.00 829.00 518.50 231.50 95.00 2.50 0.00 239.00 519.50 820.00 1188.50 6355.50
1972 1177.50 914.50 617.00 553.00 212.50 35.00 11.00 0.00 231.50 442.50 796.50 1272.00 6263.00
1973 1171.50 863.00 771.00 546.50 199.50 100.50 0.50 5.50 132.50 378.50 776.00 964.00 5909.00
1974 1224.00 867.50 719.50 505.00 286.50 46.00 10.00 12.00 66.00 366.00 731.00 1045.00 5878.50
1975 1228.50 1002.00 852.50 726.50 400.00 119.50 4.50 35.00 106.00 489.50 870.00 968.50 6802.50
1976 1148.00 1051.00 994.50 591.72 a 214.50 144.50 4.00 38.00 108.21 b 456.50 730.00 1029.50 6510.44
1977 1294.00 825.50 867.50 402.00 415.00 20.00 10.50 40.50 187.24 a 416.00 853.50 985.00 6316.74
1978 1003.50 875.00 605.50 573.00 377.50 103.00 14.50 56.00 236.00 436.00 913.00 1280.50 6473.50
1979 1521.00 933.33 a 785.00 571.50 261.50 100.00 6.00 13.50 56.00 376.50 941.00 1054.50 6619.83
1980 1224.50 855.00 812.50 423.50 311.50 150.50 0.50 39.27 a 148.50 440.00 790.50 945.00 6141.27
1981 998.00 857.50 679.00 484.00 317.50 95.69 a 18.50 7.50 136.50 584.87 a 698.50 997.50 5875.06
1982 1318.00 1115.00 808.50 652.00 351.50 107.00 36.50 1.00 197.00 570.50 912.00 1127.00 7196.00
1983 988.50 822.50 707.50 630.50 358.00 105.00 60.00 1.00 145.00 432.00 780.00 1318.00 6348.00
1984 1366.00 1177.50 851.50 599.50 345.50 201.50 3.00 3.00 230.50 606.00 881.00 1354.00 7619.00
1985 1452.50 1256.50 1061.00 420.50 207.00 58.50 0.00 17.50 305.00 539.00 1118.50 1554.00 7990.00
1986 1101.50 775.50 569.50 544.50 340.50 32.00 23.50 1.50 270.00 433.50 831.50 1100.50 a 6024.00
1987 1254.00 814.50 734.50 0.00 z 163.00 40.00 25.50 15.00 87.00 326.00 759.50 1105.00 5324.00
1988 1210.00 846.00 776.50 427.00 315.50 68.00 8.50 2.50 219.00 231.50 849.50 1259.00 6213.00
1989 1306.00 1161.00 793.00 427.50 335.00 78.00 1.00 44.50 122.50 505.50 795.00 1102.00 6671.00
1990 1070.00 973.00 695.00 352.00 355.00 134.50 4.50 23.50 25.00 477.50 769.50 1471.50 6351.00
1991 1239.00 690.50 779.00 601.50 416.50 114.50 0.00 a 0.00 95.50 435.50 903.00 1061.50 6336.50
1992 1039.00 692.00 532.00 370.50 124.50 75.00 19.50 53.50 173.50 360.00 987.50 1308.00 5735.00
1993 1356.00 1146.00 882.50 589.00 197.00 191.50 88.50 62.50 173.00 441.50 1012.00 1091.00 7230.50
1994 1005.00 998.00 667.00 468.00 201.00 109.50 15.00 3.00 66.00 520.50 1057.50 1166.50 6277.00
1995 1061.00 732.00 777.00 570.50 365.50 172.50 16.00 20.50 102.50 501.50 675.50 1004.50 5999.00
1996 1065.00 986.50 709.00 504.50 325.50 52.00 0.00 17.50 214.00 478.50 772.00 1079.00 6203.50
1997 1086.50 881.50 698.50 566.50 186.00 56.50 31.00 0.00 93.50 485.00 766.50 1152.50 6004.00
1998 923.50 799.00 775.50 519.00 332.00 160.00 0.00 0.00 88.00 500.50 768.00 1155.00 6020.50
1999 1048.50 926.59 a 777.00 630.00 386.00 130.00 16.53 a 2.00 167.00 403.50 642.50 1119.00 6248.63
2000 1090.00 802.50 797.50 412.50 202.50 58.00 1.50 0.00 146.00 424.00 1015.00 1105.15 a 6054.65
2001 1177.00 961.00 677.00 551.50 197.00 84.00 4.00 0.00 68.00 413.00 649.00 1224.00 6005.50
2002 1165.00 1099.50 884.00 455.00 289.50 81.50 0.00 11.50 105.50 534.00 802.00 915.50 6343.00
2003 874.50 850.00 677.00 517.50 308.00 50.50 0.00 1.00 135.50 223.31 d 897.50 946.50 5481.31
2004 1254.50 1065.50 596.50 435.00 275.00 80.00 3.00 28.50 145.50 402.00 826.50 1005.00 6117.00
2005 1109.00 889.50 670.00 520.00 246.50 142.50 0.00 12.00 163.00 399.00 828.50 1208.50 6188.50
2006 1011.00 1001.00 0.00 z 470.00 232.00 21.50 0.00 7.50 182.00 474.00 760.00 1110.50 5269.50
2007 1223.00 772.00 632.50 469.50 190.50 59.50 0.00 0.00 150.00 504.00 767.50 1126.50 5895.00
2008 1302.50 1022.00 849.50 651.50 298.00 141.00 0.00 6.50 120.50 448.50 636.00 1149.00 6625.00
2009 1192.50 996.50 849.50 537.50 256.00 70.00 1.50 25.50 48.00 606.00 795.00 1260.00 6638.00
2010 1044.00 880.50 759.00 580.50 448.00 109.50 9.50 h 36.50 102.50 381.50 874.00 1022.50 6238.50
2011 1175.42 a 974.00 816.00 670.50 428.50 160.00 1.00 0.00 40.50 433.00 833.00 1157.50 6689.42
2012 1047.80 a 881.50 686.00 394.00 304.50 87.00 0.00 0.00 35.50 443.50 654.50 1026.50 5560.80
2013 1418.50 903.00 712.00 26.00 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 3033.50
Period of Record Statistics
MEAN 1177.03 925.53 787.14 511.21 276.08 97.72 7.95 16.88 143.35 441.19 809.23 1104.99 6295.32
S.D. 163.19 148.74 113.87 94.95 86.07 51.17 13.44 20.40 67.46 87.56 107.41 135.47 456.34
SKEW 0.74 0.39 0.63 -0.14 -0.02 0.71 3.44 1.71 0.49 0.05 0.26 0.52 1.03
MAX 1792.50 1308.00 1203.50 726.50 455.70 288.21 88.50 110.00 312.50 665.97 1118.50 1554.00 7990.00
MIN 832.00 614.50 532.00 269.50 80.50 8.00 0.00 0.00 25.00 223.31 610.50 786.22 5481.31
NO YRS 98 96 95 93 95 96 91 95 94 96 95 98 78