ABERDEEN EXP STN, IDAHO

Monthly Total Heating Degree Days

(100010)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1914 0.00 z 0.00 z 0.00 z 459.50 f 332.00 207.93 a 9.50 29.50 288.10 a 517.00 895.34 a 1502.00 3781.38
1915 1416.50 866.50 766.00 422.50 419.50 250.00 63.00 0.50 299.50 492.00 921.00 1240.50 7157.50
1916 1475.00 1168.00 815.00 547.50 515.00 231.00 20.50 52.50 253.50 660.09 b 1147.00 1415.00 8300.09
1917 1651.00 1236.00 1375.50 758.00 482.50 202.50 4.00 34.50 197.50 554.00 748.50 846.30 a 8090.30
1918 1209.00 1089.00 807.50 678.10 a 430.50 52.50 12.50 94.50 185.50 516.00 993.00 1237.50 7305.60
1919 1258.00 1075.50 893.50 537.50 301.50 101.50 5.50 2.00 201.50 782.50 1001.50 1543.80 a 7704.30
1920 1357.00 985.00 936.00 751.00 439.50 171.00 3.50 68.00 248.00 669.00 961.00 1243.00 7832.00
1921 1231.00 1091.50 770.00 748.50 364.50 108.50 38.50 15.50 376.50 491.00 812.00 1206.50 7254.00
1922 1724.00 1298.00 1258.00 796.50 398.00 116.50 22.73 a 9.00 151.00 516.50 1056.00 1329.00 8675.23
1923 1185.50 1345.50 1029.56 e 650.00 371.50 240.00 0.50 22.50 204.50 704.50 856.50 1322.50 7933.06
1924 1448.00 925.50 1035.00 632.50 280.50 147.00 33.00 39.00 281.90 a 601.00 960.50 1537.50 7921.40
1925 1372.50 873.50 806.00 575.50 279.00 a 216.00 0.00 67.68 a 266.00 661.50 949.50 1102.50 7169.68
1926 1360.50 900.00 858.24 d 461.38 a 308.00 89.00 6.00 19.50 388.97 a 528.50 785.50 1334.50 7040.09
1927 1325.50 1007.50 917.50 654.00 461.00 125.00 15.50 63.50 295.50 544.00 723.00 1438.00 7570.00
1928 1282.00 1145.00 42.00 z 0.00 z 0.00 z 0.00 z 0.00 z 82.15 a 211.03 a 594.68 a 887.00 1496.78 a 5698.65
1929 1657.50 1407.00 930.00 688.50 390.00 175.00 8.50 1.50 343.50 578.00 1039.00 1058.50 8277.00
1930 1674.50 817.00 862.00 428.50 394.50 138.00 6.00 11.00 233.65 d 593.00 1145.00 1645.00 7948.15
1931 1479.00 1169.00 918.67 e 588.62 a 328.00 42.50 18.48 e 20.00 218.00 524.00 1003.33 c 1433.50 7743.11
1932 1517.00 1403.50 1061.23 a 582.00 344.50 169.00 14.50 46.00 183.00 611.50 788.50 1565.50 8286.23
1933 1329.50 1467.00 1050.50 669.50 498.00 49.04 d 1.00 58.00 214.50 401.50 814.00 932.50 7485.04
1934 999.00 737.00 613.50 376.50 145.50 103.50 0.00 a 4.65 a 284.50 451.50 806.00 1204.00 5725.65
1935 1331.50 1038.50 902.50 603.00 440.00 120.50 8.00 15.00 152.50 583.50 1091.50 1256.00 7542.50
1936 1397.50 1232.50 959.00 526.50 248.50 117.93 a 1.50 24.59 b 259.14 a 537.50 988.00 1162.50 7455.16
1937 1837.50 1272.50 1010.00 690.54 b 231.43 b 170.50 1.55 a 30.00 143.00 476.50 805.00 1099.43 b 7767.95
1938 1120.00 946.50 898.50 452.00 f 377.50 80.50 45.00 27.50 58.00 477.50 1022.00 1070.02 a 6123.02
1939 1209.00 1282.00 876.50 482.50 208.00 172.50 12.00 g 16.03 b 153.50 487.50 827.50 988.50 6703.53
1940 1284.00 948.00 722.00 531.50 211.00 82.00 4.65 a 2.00 207.00 504.00 1027.50 1140.00 6663.65
1941 1314.50 989.00 822.50 656.00 328.50 168.00 0.50 38.50 378.00 621.55 a 960.50 1169.50 7447.05
1942 1562.92 a 1362.00 1074.00 522.00 461.00 170.50 3.00 35.00 186.50 515.00 898.50 1136.50 7926.92
1943 1177.00 994.00 947.50 412.50 410.00 208.50 15.50 11.50 119.00 450.02 a 855.50 1166.12 a 6767.13
1944 1613.50 1193.00 981.50 661.50 323.00 249.50 16.50 30.50 222.93 a 462.42 a 964.00 1313.88 a 8032.23
1945 1217.50 933.00 915.50 708.00 352.50 247.50 12.92 a 24.50 h 323.50 188.50 n 939.50 1278.00 6927.92
1946 1371.50 1089.50 802.50 416.11 c 393.00 97.00 1.50 9.00 263.50 703.00 948.50 1028.50 7123.61
1947 1503.00 897.50 774.00 599.00 217.00 205.34 a 2.50 29.00 194.00 445.50 988.00 1243.50 7098.34
1948 1215.00 1063.50 976.00 580.50 324.50 86.00 6.50 19.00 199.00 545.00 973.45 a 1402.00 7390.45
1949 1950.50 1245.50 860.50 466.50 265.00 143.50 5.00 6.50 146.00 742.40 b 731.00 1216.00 7778.40
1950 1370.00 1012.00 884.50 629.50 445.00 150.00 a 27.50 19.50 253.50 430.00 796.55 a 1024.50 7042.55
1951 1337.00 927.50 988.00 545.00 301.00 225.00 21.50 44.50 184.50 609.00 965.69 a 1351.00 7499.69
1952 1454.42 a 1301.50 1156.00 532.50 283.50 109.50 28.00 8.50 153.00 461.00 1118.50 1236.50 7842.92
1953 919.00 899.00 823.05 a 665.50 509.50 170.00 2.00 12.00 128.00 467.00 719.00 1182.65 a 6496.70
1954 1095.00 832.00 938.50 516.50 274.00 201.50 13.50 60.50 214.50 585.00 750.50 1358.00 6839.50
1955 1522.00 1261.50 1080.50 703.00 101.00 x 145.00 38.75 a 3.00 241.00 511.00 990.50 1045.00 7541.25
1956 1125.50 1334.50 893.00 546.50 269.50 86.00 13.50 59.00 182.50 571.00 1057.50 1179.00 7317.50
1957 1531.50 986.50 796.00 616.00 325.00 135.00 6.50 16.00 216.00 570.00 1031.00 1092.00 7321.50
1958 966.50 h 802.50 889.00 652.50 165.50 88.00 29.00 11.00 219.50 483.00 907.50 976.00 5223.50
1959 1155.00 971.00 864.50 542.50 475.50 80.00 30.50 42.00 285.50 543.50 916.00 1233.00 7139.00
1960 1497.50 1304.50 883.50 548.50 387.00 48.46 d 0.52 a 96.00 158.50 570.00 859.50 1255.00 7608.98
1961 1266.00 860.00 840.00 619.00 330.50 50.50 1.50 2.00 357.50 624.00 948.50 1223.00 7122.50
1962 1585.50 1057.00 1053.00 514.50 457.50 162.50 51.00 94.00 226.50 539.50 854.50 1173.50 7769.00
1963 1563.00 805.00 913.50 737.07 a 334.50 252.50 36.50 20.00 155.00 454.50 940.50 1493.00 7705.07
1964 1562.00 1569.50 1344.00 745.50 439.00 243.10 a 11.00 108.00 351.35 d 576.50 956.90 a 1176.50 9083.35
1965 1170.00 1041.50 1063.00 586.50 499.50 198.50 42.00 99.00 440.00 544.00 792.00 1233.80 a 7709.80
1966 1274.00 1114.00 933.50 678.50 309.00 175.50 11.00 75.00 169.00 715.50 865.50 1284.00 7604.50
1967 1169.50 927.50 891.00 754.50 430.00 207.00 7.50 15.00 176.50 612.00 891.50 1414.50 7496.50
1968 1376.50 981.50 808.50 737.00 436.50 184.50 31.50 185.00 328.00 659.00 968.50 1248.86 c 7945.36
1969 1198.00 1132.00 1149.50 595.50 266.00 201.50 41.00 43.50 196.50 783.50 965.00 1203.50 7775.50
1970 1188.00 875.50 958.00 834.50 418.50 177.50 44.90 b 19.00 417.00 745.00 895.00 1267.50 7840.40
1971 1207.45 a 1024.50 1022.00 670.71 b 375.00 190.00 37.00 29.50 390.00 711.50 998.50 1344.50 8000.66
1972 1323.00 1121.00 764.00 669.50 391.00 101.50 50.50 25.00 370.50 595.00 945.50 1507.00 7863.50
1973 1480.00 1230.44 a 979.00 702.50 393.00 204.50 36.00 43.50 344.00 609.00 962.68 b 1164.50 8149.12
1974 1462.00 1068.50 936.00 674.50 401.50 116.00 28.00 66.00 264.00 573.00 912.50 1303.07 b 7805.07
1975 1436.00 1112.50 974.00 847.00 508.50 192.00 16.00 93.00 251.00 599.50 1013.50 1069.00 8112.00
1976 1371.50 1217.00 1102.00 692.50 332.00 199.44 c 20.50 98.00 236.00 659.50 914.00 1251.50 8093.94
1977 1605.59 b 1165.50 1030.00 551.00 471.50 37.00 38.50 66.00 260.89 b 568.50 935.50 1090.50 7820.48
1978 1149.50 971.00 755.88 a 605.50 469.50 192.00 37.50 118.50 320.50 580.00 1073.50 1378.98 a 7652.37
1979 1751.50 1151.50 899.00 653.00 333.00 174.00 19.00 36.50 171.00 534.50 1098.00 1205.90 a 8026.90
1980 1293.50 917.00 908.50 544.00 428.00 212.50 18.00 87.50 244.50 627.50 962.00 674.00 j 6243.00
1981 1155.50 1039.11 a 849.00 593.00 411.50 178.50 35.50 12.83 b 220.00 694.00 860.00 1130.50 7179.44
1982 1478.50 1259.50 873.50 750.00 452.00 180.00 60.00 13.00 278.00 703.50 1037.00 1338.00 8423.00
1983 1152.00 983.00 826.50 736.50 457.50 198.00 94.00 16.00 251.00 569.00 885.00 1512.50 7681.00
1984 1546.50 0.00 z 1095.00 714.00 411.50 253.50 26.00 23.00 307.00 727.00 949.50 1539.50 7592.50
1985 1672.50 1497.50 1370.50 553.50 314.50 127.00 10.00 108.00 406.50 702.50 1257.00 1754.00 9773.50
1986 1423.50 937.50 689.00 629.50 406.00 59.50 68.50 28.50 425.50 635.00 963.50 1312.50 7578.50
1987 1502.50 952.50 847.00 464.50 277.00 114.00 76.50 79.50 229.50 557.50 898.50 1256.50 7255.50
1988 1390.00 1018.00 932.00 540.50 389.00 86.00 18.50 36.00 309.50 382.50 918.00 1425.50 7445.50
1989 1528.50 1334.50 892.00 529.50 398.00 150.00 6.00 81.50 256.50 633.50 934.50 1276.00 8020.50
1990 1147.00 1074.00 821.00 483.50 456.00 191.50 15.50 72.50 97.00 614.50 897.50 1624.50 7494.50
1991 1445.50 851.00 869.00 659.50 459.50 161.00 17.00 10.00 219.00 608.50 1006.00 1250.50 7556.50
1992 1298.00 871.00 707.50 478.50 209.00 125.00 68.00 78.50 271.50 506.50 1138.50 1474.00 7226.00
1993 1598.00 1339.50 1033.00 690.50 291.00 255.50 181.50 118.50 327.00 622.50 1167.00 1262.50 8886.50
1994 1082.50 1128.00 793.50 569.00 255.00 151.50 33.00 17.50 151.50 627.00 1145.00 1302.50 7256.00
1995 1176.00 845.00 880.00 656.50 444.50 223.50 35.00 62.00 238.50 662.00 762.00 1128.00 7113.00
1996 1217.00 1090.50 827.50 608.50 418.00 114.50 13.50 75.00 365.00 621.00 897.00 1195.00 7442.50
1997 1187.00 1002.00 837.00 716.50 294.00 114.00 84.50 47.50 221.00 656.50 923.00 1308.00 7391.00
1998 1064.50 922.00 894.00 640.50 365.50 252.00 0.00 16.00 143.00 615.50 843.00 1358.00 7114.00
1999 1153.00 1019.00 827.00 679.50 445.50 191.00 43.50 24.00 313.50 585.00 807.50 1260.00 7348.50
2000 1224.50 923.00 908.50 532.00 339.50 145.00 20.50 24.50 299.50 629.50 1228.50 1355.50 7630.50
2001 1561.00 1313.50 950.50 684.50 324.50 201.00 3.00 11.00 144.00 565.00 836.00 1447.00 8041.00
2002 1364.50 1391.00 1100.50 575.00 389.50 147.00 4.00 81.00 231.50 739.00 1025.00 1151.50 8199.50
2003 1069.50 1005.00 823.50 656.00 405.50 148.50 6.00 25.00 284.50 518.00 1094.00 1145.00 7180.50
2004 1528.00 1295.50 881.50 585.50 416.00 153.00 32.00 103.00 315.00 594.50 996.00 1186.00 8086.00
2005 1366.00 1154.00 874.50 676.00 417.50 265.00 32.50 53.00 295.50 578.00 939.00 1391.50 8042.50
2006 1166.50 1151.00 932.00 576.50 313.50 79.50 0.00 56.00 307.00 699.00 924.00 1275.50 7480.50
2007 1447.00 923.50 860.50 600.00 268.00 88.00 0.00 28.00 247.50 631.00 851.50 1260.00 7205.00
2008 1440.50 1217.50 1008.00 321.00 o 173.50 r 170.50 0.50 33.00 248.00 616.50 800.00 1326.50 6861.00
2009 1289.50 1228.23 b 942.00 632.50 346.00 177.50 22.00 45.00 117.00 691.50 976.50 1392.50 7860.23
2010 1284.00 1142.00 898.00 674.00 521.50 178.50 33.00 65.50 193.50 506.00 1012.00 1198.50 7706.50
2011 1437.50 1188.50 902.50 730.50 524.50 202.50 11.50 14.00 132.50 497.55 a 986.00 1323.50 7951.05
2012 1186.00 1020.50 814.50 508.50 372.00 170.00 5.50 4.00 167.50 616.50 808.00 1144.50 6817.50
2013 1671.50 1056.50 886.00 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 3614.00
Period of Record Statistics
MEAN 1364.80 1088.19 922.38 615.14 370.07 157.32 23.25 42.80 244.96 584.29 940.26 1271.18 7634.63
S.D. 193.99 177.42 133.06 97.59 85.24 57.23 26.04 34.80 79.99 86.17 111.11 161.00 555.89
SKEW 0.37 0.41 1.14 -0.14 -0.34 -0.19 2.85 1.16 0.32 0.09 0.32 0.29 0.36
MAX 1950.50 1569.50 1375.50 847.00 524.50 265.00 181.50 185.00 440.00 783.50 1257.00 1754.00 9773.50
MIN 919.00 737.00 613.50 376.50 145.50 37.00 0.00 0.50 58.00 382.50 719.00 846.30 5725.65
NO YRS 98 98 98 95 96 98 97 98 99 98 99 98 89