MT EVANS RSCH STN, COLORADO

Monthly Total Heating Degree Days

(055797)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199911
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
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 1259.50 1617.17 a 2876.67
1984 1591.50 1404.50 1463.00 1281.50 825.50 639.50 413.00 523.00 706.03 a 1291.50 1374.50 1565.50 13079.03
1985 1694.50 1543.00 1444.00 1144.50 943.50 605.00 565.50 525.00 836.50 1032.00 1425.00 1582.03 a 13340.53
1986 1400.00 1387.00 1244.65 a 1121.90 a 971.00 585.00 538.50 527.00 742.50 1134.50 1293.00 1600.00 12545.05
1987 1658.50 1419.00 1521.50 1132.50 932.00 607.50 489.80 a 600.00 777.00 959.50 1379.00 1779.92 a 13256.22
1988 1818.84 b 1509.50 1668.50 1277.00 1064.50 619.50 537.85 a 542.50 a 801.50 967.50 1447.50 1729.00 13983.69
1989 1631.24 b 0.00 z 1341.00 1190.50 960.50 741.00 505.50 620.00 744.50 1094.50 1349.44 c 1655.00 11833.19
1990 1651.50 1438.50 0.00 z 0.00 z 0.00 z 189.00 m 0.00 z 485.50 532.50 931.00 1154.00 1565.00 7758.00
1991 1570.50 1225.50 1360.00 1115.50 799.00 518.00 447.50 459.00 645.00 875.50 1297.50 1449.50 11762.50
1992 1471.00 1351.50 1243.00 911.00 766.00 603.50 436.00 471.50 571.00 836.50 1424.50 1498.00 11583.50
1993 1469.50 1348.00 1251.00 1117.00 817.50 575.50 373.50 475.50 694.00 1007.50 1377.50 1441.50 11948.00
1994 1504.50 1345.50 1225.00 1086.00 703.00 380.00 353.00 360.00 576.50 1000.00 1322.00 1369.00 11224.50
1995 1499.00 1170.00 1274.00 1184.00 993.00 671.00 423.50 340.50 655.00 982.50 1115.00 1438.50 11746.00
1996 1527.50 1265.00 1338.00 1085.00 709.50 0.00 z 341.00 401.50 682.00 928.50 1207.50 1509.00 10994.50
1997 1499.50 1405.50 1177.50 1243.00 831.50 504.00 373.00 453.00 553.00 971.00 1341.00 1584.00 11936.00
1998 1465.00 1382.50 1350.00 1202.50 772.50 565.00 311.50 404.50 485.00 919.00 0.00 z 444.00 v 8857.50
1999 1450.44 e 1213.15 b 1160.78 d 1163.89 c 900.79 e 552.32 b 253.00 j 360.00 f 640.86 a 883.50 b 640.50 j 0.00 z 7965.73
Period of Record Statistics
MEAN 1556.44 1360.54 1337.46 1150.39 865.99 583.34 436.37 479.23 665.18 988.41 1317.80 1558.87 12400.46
S.D. 110.57 105.55 138.80 91.29 109.07 84.00 81.09 80.62 101.97 111.66 98.68 112.08 889.38
SKEW 0.79 -0.20 0.89 -0.88 0.12 -0.59 0.13 -0.03 -0.07 1.26 -0.69 0.27 0.42
MAX 1818.84 1543.00 1668.50 1281.50 1064.50 741.00 565.50 620.00 836.50 1291.50 1447.50 1779.92 13983.69
MIN 1400.00 1170.00 1160.78 911.00 703.00 380.00 311.50 340.50 485.00 836.50 1115.00 1369.00 9999.00
NO YRS 16 15 15 15 15 14 14 15 16 16 15 15 11