SALT LAKE CITY INTL AP, UTAH

Monthly Total Growing Degree Days

(427598)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1948 10.00 18.50 45.00 295.00 590.50 839.00 1105.50 1099.50 778.00 408.50 56.00 10.50 5256.00
1949 0.00 0.00 104.50 406.50 623.00 808.00 1140.00 1116.00 813.50 268.00 134.50 4.00 5418.00
1950 26.00 61.00 90.50 262.00 443.50 778.00 1063.00 1046.50 702.50 555.00 123.00 20.00 5171.00
1951 4.00 52.50 51.00 312.50 589.50 712.00 1108.00 1038.00 737.50 327.50 52.00 5.00 4989.50
1952 2.50 1.00 17.50 354.50 638.50 834.50 1072.50 1125.50 843.00 539.50 35.50 8.00 5472.50
1953 65.00 45.50 159.50 224.50 400.50 799.50 1191.50 1107.50 844.50 438.00 222.00 0.00 5498.00
1954 14.50 45.50 74.50 410.00 668.50 758.50 1187.50 1029.50 744.00 385.50 156.50 0.00 5474.50
1955 0.50 0.00 49.50 213.00 520.00 787.00 1099.00 1126.00 750.50 404.00 54.50 82.00 5086.00
1956 22.50 5.00 178.50 301.00 632.50 887.50 1127.00 1013.00 809.00 399.50 50.00 10.00 5435.50
1957 4.00 76.00 131.50 252.00 533.00 805.00 1145.50 1131.50 738.00 376.50 14.50 18.00 5225.50
1958 3.50 98.00 64.00 219.50 778.00 916.50 1081.50 1170.00 760.50 474.50 125.50 19.00 5710.50
1959 18.50 27.50 95.00 353.50 486.50 946.00 1150.50 1057.00 659.50 342.00 58.00 0.00 5194.00
1960 2.50 5.00 178.00 326.50 578.00 929.50 1276.50 1059.50 846.50 367.00 95.00 7.50 5671.50
1961 1.00 56.50 126.00 304.50 644.50 1039.50 1236.00 1171.50 597.50 332.50 25.00 9.50 5544.00
1962 2.00 47.00 48.50 384.00 579.00 844.00 1113.00 1025.00 774.00 474.50 110.00 3.00 5404.00
1963 9.50 55.00 104.50 161.00 642.50 697.00 1172.00 1174.50 834.00 551.50 83.00 0.00 5484.50
1964 0.00 0.00 30.50 174.00 496.00 696.00 1162.00 990.00 645.50 400.50 62.00 40.50 4697.00
1965 20.00 22.00 54.00 332.50 464.00 744.50 1083.50 957.00 527.50 449.50 227.50 5.50 4887.50
1966 5.00 0.50 174.00 299.50 701.50 874.50 1243.00 1056.50 826.00 313.00 158.00 15.00 5666.50
1967 11.00 31.50 174.50 191.50 507.00 736.00 1188.50 1195.00 800.50 383.50 154.00 0.00 5373.00
1968 1.50 54.00 164.00 181.00 507.50 824.50 1186.00 909.50 641.00 361.50 62.00 0.50 4893.00
1969 41.50 0.00 83.00 312.50 744.00 743.00 1133.50 1166.00 891.00 242.00 95.00 19.00 5470.50
1970 64.00 56.00 69.00 140.00 581.50 826.50 1134.50 1166.50 570.50 237.50 100.00 11.50 4957.50
1971 34.00 24.00 116.00 248.50 514.50 823.00 1128.00 1143.00 592.50 286.00 57.50 17.00 4984.00
1972 19.50 89.50 249.00 253.00 635.00 955.50 1151.50 1108.50 717.00 443.50 58.50 12.00 5692.50
1973 0.00 20.00 73.50 237.50 669.50 904.50 1135.00 1133.00 646.00 437.00 156.00 7.00 5419.00
1974 6.50 8.00 205.50 258.50 582.50 1000.50 1214.50 1059.50 795.50 454.00 125.00 13.50 5723.50
1975 10.00 23.00 116.50 146.00 443.50 742.00 1203.50 1035.00 760.00 425.00 61.00 31.00 4996.50
1976 0.00 47.00 70.50 281.50 687.00 826.50 1199.00 998.50 792.50 341.00 133.00 0.00 5376.50
1977 0.00 32.50 56.00 431.50 466.50 996.50 1156.50 1085.00 793.00 484.00 143.50 56.50 5701.50
1978 10.50 61.00 257.50 307.00 496.50 874.00 1177.00 1052.00 719.00 481.50 124.00 3.00 5563.00
1979 0.00 5.50 127.00 340.00 625.50 901.00 1205.50 1102.00 943.00 519.00 37.00 5.00 5810.50
1980 37.50 89.50 89.00 383.00 525.00 823.50 1165.50 1058.00 787.50 392.00 147.50 34.00 5532.00
1981 6.50 70.50 138.00 401.00 546.00 887.00 1183.50 1175.50 855.00 324.50 177.50 48.00 5813.00
1982 12.50 67.50 135.00 226.50 518.00 840.50 1098.00 1189.50 720.00 274.00 34.50 14.00 5130.00
1983 12.00 49.00 161.00 200.50 490.50 829.50 1133.00 1173.00 834.00 494.50 165.00 28.50 5570.50
1984 0.00 0.00 90.50 259.50 670.00 818.00 1193.00 1152.50 793.50 301.00 112.00 0.50 5390.50
1985 0.00 0.00 95.50 471.50 739.00 973.50 1259.50 1130.50 681.00 406.00 90.50 6.50 5853.50
1986 9.50 132.50 244.50 268.50 532.00 1004.50 1058.50 1173.50 605.00 349.50 73.50 7.50 5459.00
1987 3.00 13.50 128.00 478.50 702.50 948.00 1104.00 1074.00 793.50 507.00 116.00 38.00 5906.00
1988 0.00 31.00 114.00 362.00 605.50 1070.50 1268.00 1131.50 712.00 618.50 130.00 0.00 6043.00
1989 0.00 7.00 219.00 441.50 617.00 876.50 1273.50 1088.50 792.00 423.50 87.00 1.50 5827.00
1990 18.00 9.50 195.50 448.50 552.50 960.00 1205.50 1120.00 958.50 433.50 95.50 0.00 5997.00
1991 0.00 32.00 115.50 251.00 481.50 849.00 1210.50 1190.50 729.50 456.50 92.50 0.50 5409.00
1992 0.00 61.00 286.50 512.50 791.00 911.00 1096.00 1154.00 795.00 496.00 23.00 0.50 6126.50
1993 0.00 3.00 207.50 254.00 724.50 712.00 925.50 1008.00 763.00 391.50 13.50 29.00 5031.50
1994 17.00 38.50 187.00 361.00 712.00 1029.50 1262.00 1264.00 913.00 353.50 51.00 11.00 6199.50
1995 32.50 113.50 167.00 258.50 481.50 728.00 1114.50 1179.00 826.00 357.00 211.00 68.50 5537.00
1996 5.00 27.00 185.50 317.50 617.50 1000.50 1256.00 1171.00 741.50 448.00 146.50 77.00 5993.00
1997 28.50 17.50 220.50 270.50 725.00 903.50 1085.50 1199.00 832.50 401.50 98.50 0.50 5783.00
1998 40.50 30.00 134.00 247.50 576.50 676.50 1230.50 1165.50 842.50 339.50 123.50 39.00 5445.50
1999 25.00 57.00 184.50 192.00 494.50 852.50 1185.00 1154.00 705.00 450.00 217.00 4.50 5521.00
2000 41.00 58.00 86.50 433.50 673.50 961.50 1264.00 1206.50 737.00 382.50 5.00 0.00 5849.00
2001 0.00 22.50 184.50 313.50 731.00 927.50 1220.00 1210.00 906.50 465.00 160.50 4.00 6145.00
2002 4.00 5.00 106.00 351.00 619.50 955.00 1298.00 1099.00 780.50 315.00 23.00 15.00 5571.00
2003 37.50 31.50 175.00 325.00 659.50 934.50 1349.50 1240.50 775.00 566.50 58.00 16.00 6168.50
2004 0.00 1.00 276.50 371.50 630.00 906.50 1208.50 1060.50 759.00 435.00 71.50 23.50 5743.50
2005 2.50 14.00 113.50 314.50 583.83 a 801.50 1265.00 1147.00 763.50 447.50 131.50 24.00 5608.33
2006 14.50 43.50 102.50 400.00 716.50 996.00 1334.50 1130.50 703.00 331.50 123.00 16.00 5911.50
2007 0.00 44.50 245.50 378.50 712.00 996.50 1362.50 1259.50 801.50 369.00 135.50 0.00 6305.00
2008 0.00 8.50 87.00 202.50 540.00 897.00 1283.00 1171.00 795.50 410.00 113.50 16.50 5524.50
2009 3.00 24.50 142.50 275.00 665.50 791.50 1208.00 1101.00 917.50 298.50 120.00 0.00 5547.00
2010 0.00 11.50 108.00 278.50 409.50 854.00 1210.50 1120.00 862.50 517.50 133.50 17.50 5523.00
2011 2.50 26.00 119.00 183.00 407.00 785.50 1192.50 1209.00 886.50 457.50 54.00 14.50 5337.00
2012 14.00 23.00 322.00 423.00 665.50 1006.50 1307.50 1292.50 901.00 484.50 214.00 55.50 6709.00
2013 0.00 0.00 181.50 15.50 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 181.50
Period of Record Statistics
MEAN 11.76 33.81 137.67 304.15 593.62 867.04 1181.25 1120.71 771.72 409.23 103.04 16.08 5550.11
S.D. 15.39 29.95 67.24 88.04 97.75 96.75 79.28 75.36 90.52 82.19 55.08 19.21 379.15
SKEW 1.67 1.02 0.56 0.25 -0.05 0.01 -0.14 -0.30 -0.41 0.10 0.32 1.74 0.29
MAX 65.00 132.50 322.00 512.50 791.00 1070.50 1362.50 1292.50 958.50 618.50 227.50 82.00 6709.00
MIN 0.00 0.00 17.50 140.00 400.50 676.50 925.50 909.50 527.50 237.50 5.00 0.00 4697.00
NO YRS 66 66 66 65 65 65 65 65 65 65 65 65 65