NORTHGLENN, COLORADO

Monthly Total Growing Degree Days

(055984)

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
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 590.17 a 221.00 68.28 a 14.39 c 893.84
1985 0.00 10.89 a 99.64 c 306.67 c 563.34 b 799.00 955.12 b 941.88 a 562.00 284.17 d 52.50 2.67 b 4577.89
1986 72.13 e 92.96 c 216.43 d 249.64 b 439.17 d 836.90 a 951.59 c 894.87 a 543.10 a 0.00 z 62.14 b 0.00 b 4358.93
1987 11.48 d 26.00 74.50 270.00 b 484.50 770.36 b 960.00 849.00 557.22 c 312.14 b 86.38 a 38.46 d 4440.04
1988 0.00 z 0.00 z 74.50 f 242.31 d 520.91 c 861.50 981.31 b 957.50 599.00 368.00 115.86 a 38.50 4684.89
1989 27.00 0.00 z 0.00 z 0.00 z 585.00 761.50 1103.00 961.50 662.50 366.50 169.00 39.00 4675.00
1990 55.00 44.50 86.00 268.00 488.00 930.00 929.00 960.00 832.50 375.00 192.00 40.50 5200.50
1991 20.00 56.00 123.00 219.00 584.50 829.50 983.50 926.00 639.00 403.00 52.50 25.00 4861.00
1992 19.50 71.00 129.50 421.50 583.00 740.50 899.50 849.00 740.50 425.00 43.00 4.00 4926.00
1993 13.50 7.00 149.50 231.50 552.00 761.00 964.00 876.50 582.00 299.50 36.50 44.00 4517.00
1994 22.00 24.00 181.50 282.00 676.00 945.50 961.00 997.50 764.00 359.00 81.50 45.50 5339.50
1995 49.50 128.00 183.00 167.00 245.50 595.00 878.00 994.50 572.50 262.00 155.00 53.50 4283.50
1996 27.00 85.50 50.00 240.50 501.00 763.50 917.00 870.50 603.50 404.50 103.50 84.00 4650.50
1997 69.50 34.50 235.00 195.00 567.50 856.00 1045.22 a 956.00 743.50 405.00 70.00 16.50 5193.72
1998 42.50 15.00 140.50 222.00 657.00 724.00 1075.50 1013.50 861.00 387.50 216.00 70.50 5425.00
1999 45.35 d 110.50 105.50 j 0.00 z 535.04 d 765.54 b 1097.50 985.00 600.00 413.00 289.00 51.50 4892.42
2000 32.50 92.50 143.63 a 373.50 678.50 850.00 1129.00 1075.50 726.00 353.50 12.50 14.50 5481.63
2001 29.50 12.00 114.50 338.50 594.50 902.50 1146.50 1038.50 802.00 409.00 198.50 19.50 5605.50
2002 53.00 59.00 98.50 420.00 541.00 999.00 1187.50 1019.50 761.00 269.50 129.00 51.00 5588.00
2003 113.00 34.00 209.00 365.50 615.00 791.50 1218.00 1133.00 677.50 570.00 91.00 66.00 5883.50
2004 38.50 42.50 278.00 304.50 647.00 747.00 994.00 910.00 744.50 394.50 113.50 50.50 5264.50
2005 76.50 62.00 134.50 277.50 583.00 822.50 1174.50 1002.00 809.00 410.00 220.00 81.00 5652.50
2006 95.00 56.50 139.50 432.00 695.00 1007.00 1137.00 1037.00 608.50 381.50 164.50 56.50 5810.00
2007 11.00 54.50 293.50 271.00 622.00 898.00 1156.00 1111.50 755.50 466.50 205.00 40.50 5885.00
2008 30.50 41.50 120.00 281.00 591.00 899.00 1181.50 1026.00 712.50 430.00 225.50 42.00 5580.50
2009 98.50 102.00 244.50 277.00 648.50 796.00 983.50 966.00 726.50 0.00 z 159.00 16.00 5017.50
2010 5.50 0.00 112.50 273.00 468.00 870.50 1061.00 1063.00 807.00 475.00 111.50 51.50 5298.50
2011 36.00 41.00 156.50 295.50 385.00 862.50 1130.00 1131.50 a 724.00 431.50 158.00 31.00 5382.50
2012 87.32 a 12.50 338.00 454.50 655.65 a 1000.50 1162.00 1059.88 b 41.00 z 331.50 177.50 52.00 5331.35
2013 36.00 15.50 108.50 a 17.00 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 160.00
Period of Record Statistics
MEAN 43.47 49.31 159.99 295.33 560.95 835.21 1048.63 985.95 689.52 378.07 129.61 39.31 5220.31
S.D. 30.03 34.67 71.50 75.32 98.24 93.81 102.27 80.07 94.76 73.40 68.84 22.21 484.20
SKEW 0.72 0.58 0.86 0.64 -1.25 -0.08 0.02 0.05 0.01 0.08 0.29 0.02 -0.48
MAX 113.00 128.00 338.00 454.50 695.00 1007.00 1218.00 1133.00 861.00 570.00 289.00 84.00 5885.00
MIN 0.00 0.00 50.00 167.00 245.50 595.00 878.00 849.00 543.10 221.00 12.50 0.00 4283.50
NO YRS 28 27 26 26 28 28 28 28 28 27 29 29 22