RALSTON RSVR, COLORADO

Monthly Total Growing Degree Days

(056816)

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
1978 0.00 z 0.00 z 0.00 z 0.00 z 453.50 756.00 1021.50 894.50 732.50 0.00 z 0.00 z 0.00 z 3858.00
1979 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 z 0.00
1980 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 z 0.00
1981 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 z 0.00
1982 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 z 0.00
1983 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 z 0.00
1984 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 z 0.00
1985 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 z 0.00
1986 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 z 0.00
1987 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 z 0.00
1988 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 z 0.00
1989 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 z 0.00
1990 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 z 0.00
1991 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 z 0.00
1992 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 z 0.00
1993 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 z 0.00
1994 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 z 0.00
1995 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 z 0.00
1996 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 z 0.00
1997 0.00 z 0.00 z 0.00 z 181.50 531.50 821.00 1021.00 924.50 721.50 420.50 70.00 22.50 4714.00
1998 53.50 13.50 128.50 163.50 626.50 688.00 1028.50 1010.50 832.00 348.00 0.00 z 94.00 4986.50
1999 36.00 75.00 178.77 a 143.79 a 459.66 b 734.50 1051.50 939.50 565.50 404.03 a 334.66 a 59.00 4981.90
2000 42.00 96.00 129.50 334.14 a 645.32 a 815.50 1096.22 b 1062.00 682.50 334.28 a 9.00 10.50 5256.96
2001 33.00 12.00 85.50 325.00 c 558.00 868.00 1123.50 1007.00 754.00 354.95 a 246.50 20.00 5387.45
2002 47.50 47.00 51.50 357.50 467.00 944.00 1170.00 933.00 699.50 247.00 111.50 68.00 5143.50
2003 95.00 33.00 165.00 326.50 529.50 669.50 1183.50 1055.00 617.00 532.50 76.50 50.50 5333.50
2004 54.00 37.00 245.50 273.50 601.00 691.00 943.50 856.00 703.50 350.00 118.00 46.00 4919.00
2005 88.00 45.00 98.00 238.00 555.50 799.00 1123.50 928.00 716.00 356.00 193.50 76.00 5216.50
2006 70.50 30.50 103.50 367.00 604.00 942.00 1059.50 934.00 512.50 319.50 165.00 45.50 5153.50
2007 10.50 46.50 253.50 232.00 549.50 830.50 1085.50 0.00 z 713.50 422.00 184.00 27.00 4354.50
2008 21.00 14.00 82.00 205.50 468.00 797.00 1089.50 916.50 594.00 357.00 198.50 49.50 4792.50
2009 90.00 82.50 179.50 196.50 0.00 z 686.50 908.00 890.00 626.00 153.50 160.00 17.00 3989.50
2010 15.50 0.00 100.50 226.50 385.00 825.00 1006.50 998.50 765.50 423.00 124.00 51.00 4921.00
2011 33.50 41.50 122.50 216.50 341.00 a 845.00 1085.00 1083.50 703.50 406.00 119.50 27.50 5025.00
2012 74.50 6.00 346.00 405.50 592.50 1000.00 1129.50 1021.00 758.00 345.00 227.00 61.00 5966.00
2013 56.00 10.50 94.00 9.00 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 160.50
Period of Record Statistics
MEAN 51.28 36.88 147.74 262.06 522.97 806.62 1066.25 965.84 688.06 360.83 155.84 45.31 5174.73
S.D. 26.52 28.36 77.75 80.27 86.96 96.70 73.59 68.36 80.90 83.07 80.33 23.33 307.77
SKEW 0.20 0.67 1.18 0.28 -0.54 0.33 -0.46 0.24 -0.54 -0.55 0.35 0.31 1.33
MAX 95.00 96.00 346.00 405.50 645.32 1000.00 1183.50 1083.50 832.00 532.50 334.66 94.00 5966.00
MIN 10.50 0.00 51.50 143.79 341.00 669.50 908.00 856.00 512.50 153.50 9.00 10.50 4792.50
NO YRS 16 16 16 16 16 17 17 16 17 16 15 16 12