TRINIDAD LAKE, COLORADO

Monthly Total Heating Degree Days

(058436)

Base Temperature = 65 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
1989 0.00 z 1079.00 648.00 480.00 241.50 140.50 3.00 13.00 185.50 473.50 705.50 1157.00 5126.50
1990 1056.50 942.00 808.50 555.50 374.50 15.00 27.00 25.50 94.00 450.00 704.00 1221.00 6273.50
1991 1111.50 792.00 770.00 575.50 244.50 62.00 21.00 17.00 172.50 436.50 928.50 1040.50 6171.50
1992 1038.00 841.00 714.00 424.50 266.00 83.50 15.50 44.50 117.00 405.00 997.00 1064.00 6010.00
1993 1039.50 919.00 781.50 574.66 a 298.00 65.00 2.00 39.50 208.50 571.50 903.00 1014.00 6416.16
1994 1008.50 888.50 792.50 554.50 247.50 6.50 10.50 5.00 131.50 460.00 796.00 886.00 5787.00
1995 1030.50 725.50 774.50 677.50 394.00 129.50 36.50 4.00 207.50 480.50 703.50 993.50 6157.00
1996 1050.00 818.50 903.50 521.00 143.50 38.50 8.00 28.50 236.00 489.50 740.00 1049.00 6026.00
1997 1123.50 963.50 707.00 746.00 322.50 67.50 0.50 18.50 90.00 523.50 936.00 1157.50 6656.00
1998 986.00 896.50 882.50 687.50 217.00 84.50 6.00 13.50 36.50 425.00 695.50 1016.00 5946.50
1999 900.00 723.00 691.50 639.00 347.50 89.00 6.00 3.00 189.50 444.00 586.00 1061.50 5680.00
2000 923.50 734.50 740.50 470.50 220.50 29.50 0.00 0.00 103.00 481.00 976.50 1046.00 5725.50
2001 1147.00 860.50 787.00 409.50 271.50 27.00 0.00 20.00 100.50 428.50 697.00 1011.50 5760.00
2002 1105.00 976.00 894.00 398.50 216.50 19.50 0.00 9.50 146.00 550.50 808.50 1063.00 6187.00
2003 880.00 980.50 769.00 451.00 214.50 105.50 0.00 12.00 177.50 340.50 774.50 983.50 5688.50
2004 1022.50 1034.00 609.00 571.50 218.50 58.00 37.00 39.00 153.50 459.50 832.50 988.50 6023.50
2005 879.88 a 845.00 858.00 585.00 289.50 68.00 2.50 22.50 68.50 427.00 675.50 1042.50 5763.88
2006 942.50 918.50 752.00 392.00 195.00 26.50 0.00 19.50 0.00 z 480.00 670.00 1064.00 5460.00
2007 1320.00 874.00 660.50 589.50 283.00 68.00 0.00 1.50 67.00 389.50 675.00 1143.50 6071.50
2008 1186.00 929.50 793.50 600.50 337.00 38.50 3.00 40.50 146.50 433.50 687.50 1041.00 6237.00
2009 960.50 766.50 703.50 597.00 211.00 86.00 10.50 8.00 204.00 655.50 713.00 1228.50 6144.00
2010 1032.50 1079.00 884.00 495.00 328.50 32.50 8.50 6.00 31.50 391.50 795.50 866.00 5950.50
2011 1109.50 1043.50 687.00 462.50 355.50 18.00 0.00 0.00 139.50 433.50 741.00 1182.50 6172.50
2012 896.50 963.21 a 644.50 351.21 a 246.50 10.50 2.50 1.50 157.50 479.50 653.50 1019.00 5425.92
2013 1139.00 948.50 826.50 37.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 38.50 z 2914.00
Period of Record Statistics
MEAN 1037.02 901.67 763.30 533.72 270.17 57.04 8.33 16.33 137.54 462.88 766.46 1055.81 6012.43
S.D. 107.84 104.63 83.16 102.13 63.63 37.08 11.24 13.86 56.83 65.26 110.72 90.31 279.92
SKEW 0.50 -0.10 0.03 0.10 0.23 0.57 1.54 0.67 -0.22 1.02 0.71 0.09 0.09
MAX 1320.00 1079.00 903.50 746.00 394.00 140.50 37.00 44.50 236.00 655.50 997.00 1228.50 6656.00
MIN 879.88 723.00 609.00 351.21 143.50 6.50 0.00 0.00 31.50 340.50 586.00 866.00 5425.92
NO YRS 24 25 25 24 24 24 24 24 23 24 24 24 22