SALT LAKE CITY ZOO, UTAH

Monthly Total Growing Degree Days

(427655)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200501
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
1990 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 896.00 1157.50 1077.00 908.00 429.00 133.00 1.07 b 4601.57
1991 0.00 38.00 86.00 227.50 0.00 z 0.00 z 0.00 z 0.00 z 729.00 466.00 0.00 z 0.00 z 1546.50
1992 0.00 z 60.50 0.00 z 525.00 0.00 z 883.00 1044.50 1085.50 730.00 498.00 34.50 7.50 4868.50
1993 2.00 3.50 164.00 245.50 691.00 658.39 b 886.00 970.00 712.00 360.50 22.50 31.00 4746.39
1994 32.50 27.00 208.00 363.00 717.50 971.50 1180.00 1134.00 852.50 337.00 62.50 15.50 5901.00
1995 27.00 138.00 159.00 0.00 z 451.00 726.00 1033.00 1075.00 785.00 377.00 224.00 77.50 5072.50
1996 9.00 24.00 164.00 295.00 539.00 925.50 1141.00 1058.00 635.50 389.50 128.50 50.50 5359.50
1997 19.00 10.50 224.50 250.50 674.00 839.50 1060.00 0.00 z 0.00 z 0.00 z 98.50 0.00 3176.50
1998 19.50 18.00 156.00 239.50 559.50 660.00 1187.00 0.00 z 841.00 376.50 131.00 38.50 4226.50
1999 15.00 45.63 a 218.50 194.00 531.50 792.00 1121.17 a 1094.82 a 668.89 c 484.50 286.61 b 7.00 5459.61
2000 50.50 89.79 c 119.50 460.00 649.50 913.20 e 1217.50 1174.50 761.50 450.00 7.00 f 0.50 5886.49
2001 2.00 29.50 206.50 316.50 700.00 871.50 1175.00 1167.50 905.00 521.00 216.50 2.00 g 6111.00
2002 8.00 16.50 115.00 374.50 607.00 931.00 1268.00 1070.00 761.50 350.50 58.00 20.00 5580.00
2003 70.50 15.22 e 168.00 334.50 643.00 881.50 1295.00 1193.00 810.50 582.50 52.50 24.50 6070.72
2004 0.00 6.50 310.00 408.50 591.87 d 892.50 1153.50 1029.00 749.00 414.50 103.50 42.00 5700.87
2005 1.50 p 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 0.00
Period of Record Statistics
MEAN 19.62 37.33 176.85 325.69 612.91 845.83 1137.08 1094.03 774.96 431.18 119.35 24.27 5545.44
S.D. 21.26 37.16 57.82 98.32 81.04 99.58 105.12 64.30 81.42 72.41 80.36 23.19 429.74
SKEW 1.22 1.65 0.63 0.57 -0.49 -0.90 -0.77 -0.11 0.15 0.54 0.75 0.88 -0.73
MAX 70.50 138.00 310.00 525.00 717.50 971.50 1295.00 1193.00 908.00 582.50 286.61 77.50 6070.72
MIN 0.00 3.50 86.00 194.00 451.00 658.39 886.00 970.00 635.50 337.00 22.50 0.00 4746.39
NO YRS 13 14 13 13 12 14 14 12 14 14 13 13 7