STRONTIA SPRINGS DAM, COLORADO

Monthly Total Growing Degree Days

(058022)

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 0.00 z 0.00 z 0.00 z 12.50 12.50
1985 0.00 11.50 77.50 a 232.00 504.00 714.00 898.50 897.00 542.50 274.50 35.89 b 0.00 4187.39
1986 19.00 82.50 190.50 243.50 403.00 754.29 b 874.72 a 850.50 498.33 c 278.00 60.00 0.00 4254.34
1987 9.00 19.00 65.00 262.00 463.50 741.50 904.50 805.00 577.00 293.50 96.50 13.50 4250.00
1988 6.50 15.50 79.00 214.66 a 480.50 796.00 904.00 913.00 538.00 375.50 94.50 3.00 4420.16
1989 1.50 15.50 152.00 285.00 451.00 602.00 943.50 820.00 589.00 297.50 83.65 d 14.50 4255.15
1990 18.50 22.00 54.50 221.50 357.00 750.50 799.00 809.00 648.50 278.50 105.00 1.00 4065.00
1991 0.00 a 18.50 76.00 140.00 459.00 683.50 828.00 806.00 553.50 312.50 31.50 0.00 3908.50
1992 0.50 25.00 75.50 273.00 475.00 592.50 756.50 708.00 558.00 331.50 12.00 0.00 3807.50
1993 0.00 2.50 75.50 145.50 404.50 590.50 815.50 742.50 416.50 214.50 10.50 8.00 3426.00
1994 0.00 10.00 97.50 194.00 489.00 730.50 809.50 866.50 610.00 220.00 53.50 5.50 4086.00
1995 1.50 25.00 69.50 78.50 190.00 542.50 743.50 871.00 491.00 170.50 60.00 21.00 3264.00
1996 2.00 30.00 21.00 168.50 397.50 625.50 820.50 773.50 452.00 242.50 26.50 3.00 3562.50
1997 9.00 5.50 64.50 58.50 278.50 620.50 758.50 688.50 528.00 212.00 8.50 0.00 3232.00
1998 0.00 3.50 37.50 40.50 345.50 430.50 788.00 707.50 551.50 141.50 26.00 2.50 3074.50
1999 0.00 5.70 a 28.00 22.00 209.00 408.00 734.00 639.50 303.50 152.00 47.00 0.00 2548.70
2000 0.00 1.50 7.00 76.50 273.00 717.50 965.50 969.50 604.00 278.00 6.00 0.00 3898.50
2001 4.50 0.50 55.50 226.00 440.00 734.00 972.50 869.00 632.00 242.50 119.00 0.00 4295.50
2002 3.50 12.50 28.00 231.00 345.00 773.00 938.50 802.00 561.00 153.00 10.00 0.00 3857.50
2003 9.00 16.50 52.50 176.50 385.50 608.50 1025.00 985.50 515.50 435.00 35.00 12.50 4257.00
2004 1.00 13.50 175.00 224.50 461.50 586.00 828.00 752.50 642.50 284.50 45.50 7.50 4022.00
2005 26.00 10.00 48.00 160.50 442.50 638.50 997.50 826.50 659.50 306.00 95.50 16.00 4226.50
2006 24.50 16.50 75.00 258.50 502.00 789.00 970.50 886.50 434.50 267.00 93.00 9.00 4326.00
2007 0.50 14.50 177.00 182.50 465.00 707.50 967.00 918.00 650.00 372.50 141.00 10.00 4605.50
2008 6.00 5.50 42.00 125.50 0.00 z 631.50 957.00 845.00 515.50 285.00 111.00 14.50 3538.50
2009 19.50 29.50 123.00 137.00 452.00 568.00 0.00 z 798.00 577.50 98.00 79.00 0.00 2881.50
2010 0.00 0.00 48.00 176.50 342.00 697.00 937.50 915.50 653.00 363.50 91.00 12.00 4236.00
2011 3.00 15.50 96.50 147.50 274.00 682.00 944.50 952.50 568.50 304.50 54.00 4.00 4046.50
2012 13.50 3.00 204.50 314.50 479.00 830.00 1004.00 893.32 a 640.50 238.50 99.00 24.00 4743.82
2013 4.00 0.00 53.00 7.00 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 57.00
Period of Record Statistics
MEAN 6.29 14.85 80.98 179.15 398.83 662.31 884.66 832.55 553.98 265.09 61.79 6.69 3956.02
S.D. 7.98 15.68 52.32 76.16 89.98 102.75 89.16 86.90 83.03 77.47 38.70 7.09 503.81
SKEW 1.24 2.82 1.05 -0.37 -0.87 -0.68 -0.21 -0.30 -1.03 -0.13 0.15 0.76 -1.05
MAX 26.00 82.50 204.50 314.50 504.00 830.00 1025.00 985.50 659.50 435.00 141.00 24.00 4743.82
MIN 0.00 0.00 7.00 22.00 190.00 408.00 734.00 639.50 303.50 98.00 6.00 0.00 2548.70
NO YRS 29 29 29 28 27 28 27 28 28 28 28 29 26