SALT LAKE CITY ZOO, UTAH

Monthly Total Heating Degree Days

(427655)

Base Temperature = 65 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 45.50 0.00 0.00 23.00 350.00 696.50 1316.97 b 2431.97
1991 1214.00 724.00 737.00 550.50 0.00 z 0.00 z 0.00 z 0.00 z 83.50 356.50 0.00 z 0.00 z 3665.50
1992 0.00 z 719.50 0.00 z 243.50 0.00 z 33.00 6.00 23.00 76.50 282.00 911.50 1118.50 3413.50
1993 1164.50 983.50 675.50 507.00 154.50 144.11 b 24.50 1.50 102.50 424.50 890.50 1030.50 6103.11
1994 864.50 845.50 585.00 408.00 101.50 19.50 2.50 0.00 34.50 443.00 922.00 947.00 5173.00
1995 948.50 604.00 668.50 0.00 z 324.00 106.00 3.50 0.00 87.00 401.00 558.50 886.50 4587.50
1996 1005.50 898.50 649.50 466.50 246.00 11.50 0.00 0.00 170.50 439.00 700.00 935.00 5522.00
1997 1045.00 870.50 596.50 554.50 135.00 35.50 3.00 0.00 z 0.00 z 0.00 z 702.00 1162.50 5104.50
1998 898.50 821.00 730.00 521.00 215.50 135.50 0.00 0.00 z 42.50 399.50 671.00 1094.00 5528.50
1999 914.50 768.44 a 593.50 593.00 272.50 88.00 0.00 a 0.00 a 105.56 c 293.00 516.43 b 1025.00 5169.93
2000 914.50 689.31 c 678.00 293.50 175.50 27.60 e 0.00 0.00 96.50 327.00 769.50 f 970.50 4172.41
2001 1101.50 834.50 603.00 454.00 138.00 76.00 0.00 0.00 35.00 265.50 615.50 839.50 g 4123.00
2002 1101.50 941.00 802.50 382.00 224.00 53.50 0.00 0.00 76.50 430.00 769.00 920.50 5700.50
2003 763.00 896.61 e 651.00 422.00 242.50 35.00 0.00 0.00 67.00 229.50 846.00 940.00 5092.61
2004 1263.00 1000.00 505.00 341.50 206.67 d 26.00 0.00 20.00 115.00 368.50 745.50 978.00 5569.17
2005 472.00 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 1015.27 828.31 651.92 441.31 202.97 59.76 2.82 3.71 79.68 357.79 734.19 1025.00 5475.76
S.D. 148.26 115.68 77.71 106.12 64.49 43.27 6.52 8.35 39.08 69.71 130.70 120.55 362.15
SKEW 0.11 -0.29 0.11 -0.37 0.17 0.85 2.89 1.80 0.55 -0.39 -0.01 1.13 0.55
MAX 1263.00 1000.00 802.50 593.00 324.00 144.11 24.50 23.00 170.50 443.00 922.00 1316.97 6103.11
MIN 763.00 604.00 505.00 243.50 101.50 11.50 0.00 0.00 23.00 229.50 516.43 886.50 5092.61
NO YRS 13 14 13 13 12 14 14 12 14 14 13 13 7