LEWISTON, UTAH

Monthly Total Heating Degree Days

(425082)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 197606
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
1928 1272.00 1109.50 801.00 691.50 234.50 197.50 24.00 66.50 214.50 570.50 877.00 1438.50 7497.00
1929 1524.00 1318.50 942.50 692.50 417.50 194.00 18.00 1.00 304.50 479.00 975.00 1110.00 7976.50
1930 1723.50 920.50 800.50 396.50 413.50 122.00 2.50 5.50 214.00 627.75 a 1174.50 1667.50 8068.25
1931 1569.00 1055.00 939.50 570.00 371.50 51.21 a 11.50 13.00 240.00 517.00 1106.50 1505.50 7949.71
1932 1627.50 1282.50 1049.50 568.00 325.00 160.00 19.00 52.50 186.00 641.50 798.00 1595.00 8304.50
1933 1392.50 1426.00 1055.50 657.50 454.15 a 27.00 0.00 44.50 176.00 461.00 879.00 1013.00 7586.15
1934 1011.00 742.00 609.50 401.00 173.00 110.00 5.00 0.50 283.50 499.50 790.50 1200.00 5825.50
1935 1323.50 1017.50 935.50 587.50 458.00 145.50 7.00 10.00 141.00 597.00 1003.50 1172.50 7398.50
1936 1374.50 1096.00 977.50 531.00 263.00 104.00 4.00 19.50 239.50 537.50 950.50 1118.50 7215.50
1937 1756.00 1232.50 1016.50 683.50 275.00 172.50 2.50 11.50 142.50 482.00 802.50 1077.00 7654.00
1938 1144.00 893.50 896.00 524.50 413.50 70.00 39.00 39.50 84.00 470.00 1070.50 1066.50 6711.00
1939 1275.00 1358.00 952.73 a 496.50 284.50 223.50 16.50 13.50 215.69 a 581.50 845.50 1061.00 7323.92
1940 1265.50 930.00 745.00 509.50 206.00 72.50 2.00 3.50 170.00 480.50 1016.50 1080.00 6481.00
1941 1297.00 1003.50 795.50 610.50 237.00 135.00 8.50 14.50 324.00 585.00 859.00 1157.00 7026.50
1942 1449.50 1284.50 1104.50 520.00 435.00 92.50 0.00 19.00 184.00 507.00 859.00 1151.50 7606.50
1943 1225.50 1109.00 871.00 367.50 386.00 202.50 13.00 23.50 105.00 466.50 845.00 1130.50 6745.00
1944 1614.50 1158.50 1017.50 643.00 308.00 210.50 10.50 33.50 225.50 440.50 1006.00 1274.50 7942.50
1945 1261.50 921.50 965.00 704.50 314.00 262.00 14.50 19.50 299.50 458.50 1037.59 a 1228.50 7486.59
1946 1374.50 1143.00 823.50 441.00 406.00 103.50 6.50 0.00 251.50 671.00 919.50 984.50 7124.50
1947 1531.50 865.50 761.50 592.50 239.00 204.50 3.00 43.00 185.00 467.00 988.50 1288.00 7169.00
1948 1255.50 1120.00 1020.50 595.50 347.00 100.50 19.50 18.00 154.00 483.50 961.50 1400.50 7476.00
1949 1836.50 1199.00 854.50 444.50 238.00 153.00 9.50 4.00 158.50 669.00 716.00 1289.50 7572.00
1950 1389.50 1017.50 869.00 628.50 472.00 167.00 29.50 24.50 245.50 439.50 806.00 1024.50 7113.00
1951 1376.00 1019.00 1084.48 a 539.50 319.50 209.00 10.50 30.50 209.50 601.00 960.00 1320.00 7678.98
1952 1423.00 1336.00 1184.00 565.50 302.50 116.50 22.00 10.50 118.50 452.50 1065.50 1169.50 7766.00
1953 912.50 907.50 791.00 655.34 a 506.00 161.50 1.00 3.50 129.50 508.00 742.00 1215.00 6532.84
1954 1171.50 980.50 932.50 494.00 272.00 198.00 11.00 46.00 195.50 544.50 749.00 1242.50 6837.00
1955 1570.50 1347.50 1172.50 712.00 335.50 164.50 43.00 0.00 217.00 548.00 1074.31 a 1133.50 8318.31
1956 1123.50 1322.50 879.50 540.50 252.00 91.50 14.50 50.50 176.50 533.00 1026.50 1349.00 7359.50
1957 1490.50 979.50 803.50 622.00 338.50 122.00 7.00 12.50 211.50 544.00 1013.50 1117.00 7261.50
1958 1380.00 872.50 941.00 650.00 184.50 49.50 6.00 5.00 202.00 476.00 913.00 979.50 6659.00
1959 1151.00 1003.00 878.50 566.00 455.00 103.00 23.50 39.00 273.50 556.50 912.50 1238.50 7200.00
1960 1477.00 1281.00 922.50 566.00 369.50 75.50 0.00 94.00 111.50 563.00 847.50 1324.50 7632.00
1961 1226.00 887.00 832.00 623.00 348.50 60.50 0.00 2.00 340.50 610.50 956.50 1220.00 7106.50
1962 1473.50 1061.00 984.50 503.50 357.50 164.00 9.50 71.00 182.00 455.00 819.00 1178.00 7258.50
1963 1492.50 801.00 932.50 706.00 275.50 197.50 18.00 9.50 141.50 424.50 914.00 1419.00 7331.50
1964 1608.50 1534.00 1316.00 650.69 a 349.50 219.00 3.00 101.50 275.50 560.58 a 930.50 1125.50 8674.27
1965 1243.00 1039.50 1004.50 559.00 417.50 164.00 15.50 70.00 393.50 518.00 785.50 1406.00 7616.00
1966 1313.50 1262.00 1007.00 623.00 265.50 161.00 4.00 46.00 171.50 638.50 809.00 1357.50 7658.50
1967 1219.00 977.50 877.62 b 708.50 416.00 185.50 9.50 4.00 171.00 574.00 848.00 1506.00 7496.62
1968 1610.97 a 1168.50 839.00 742.76 a 411.50 181.50 21.50 117.50 315.50 619.00 960.50 1271.00 8259.23
1969 1214.00 1237.00 1277.50 565.00 216.50 177.50 29.50 13.00 149.50 725.00 906.00 1151.50 7662.00
1970 1205.00 855.50 923.50 790.00 388.50 147.50 23.50 7.00 392.00 725.50 849.00 1298.50 7605.50
1971 1267.50 1075.50 1004.00 648.50 381.00 164.50 6.00 24.00 391.50 700.00 965.50 1417.00 8045.00
1972 1266.00 1050.00 759.50 641.25 b 361.50 83.50 27.50 33.00 313.50 540.50 781.00 f 1142.50 i 5076.25
1973 1578.42 a 1271.00 1042.00 696.00 350.50 172.24 a 32.00 35.00 339.00 561.88 c 663.50 h 972.50 f 6078.03
1974 1380.57 b 1314.00 701.00 f 564.60 e 323.78 d 44.50 h 13.12 e 76.47 a 248.50 573.50 894.50 1312.52 c 6701.55
1975 724.00 o 847.00 g 712.50 g 783.21 b 343.00 k 50.00 v 1.50 m 51.50 i 148.00 l 412.50 k 515.50 n 585.50 p 783.21
1976 811.50 n 795.00 l 883.00 j 383.50 l 159.00 n 23.00 w 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 1375.90 1101.83 938.97 595.27 337.65 144.56 13.12 29.40 221.57 546.49 916.21 1239.68 7436.63
S.D. 193.48 182.28 138.76 97.44 81.83 54.57 10.65 28.74 78.57 78.04 104.61 160.13 546.81
SKEW 0.17 0.20 0.50 -0.26 -0.08 -0.22 0.87 1.28 0.54 0.54 0.23 0.59 -0.38
MAX 1836.50 1534.00 1316.00 790.00 506.00 262.00 43.00 117.50 393.50 725.50 1174.50 1667.50 8674.27
MIN 912.50 742.00 609.50 367.50 173.00 27.00 0.00 0.00 84.00 424.50 716.00 979.50 5825.50
NO YRS 47 47 46 48 47 46 47 47 47 47 45 45 44