MAMMOTH LAKES RANGER STN, CALIFORNIA

Monthly Total Heating Degree Days

(045280)

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
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 1126.50 1126.50
1994 1065.37 a 1079.04 a 857.00 0.00 z 548.50 196.50 59.50 60.50 372.50 730.50 1171.00 1162.00 7302.40
1995 1235.00 872.00 1085.50 912.00 741.50 455.50 213.00 141.00 268.50 531.00 643.50 1069.50 8168.00
1996 1000.50 994.50 1002.50 762.00 542.00 269.50 68.00 103.50 360.50 693.50 910.86 a 1053.00 7760.36
1997 1147.50 1011.00 815.50 777.50 431.50 326.50 179.00 118.00 0.00 z 671.50 870.50 1321.50 7670.00
1998 1113.00 1161.00 1043.00 982.00 812.50 451.50 139.00 121.50 0.00 z 0.00 z 913.50 1163.50 7900.50
1999 1056.07 a 1116.08 c 975.00 961.00 568.00 356.50 155.53 b 239.22 a 312.00 544.05 a 788.28 a 1025.58 a 8097.31
2000 1052.45 a 1047.50 1017.83 a 700.50 466.50 234.50 0.00 z 159.65 a 376.50 713.50 1042.24 a 938.78 a 7749.96
2001 1262.50 1159.41 a 0.00 z 908.28 a 373.50 208.00 176.50 61.00 267.00 509.50 890.36 b 1190.83 b 7006.87
2002 1221.40 a 944.22 a 1099.50 756.50 600.50 222.50 71.00 162.00 338.00 705.00 851.00 1206.00 8177.62
2003 951.00 1054.67 a 936.50 954.50 581.00 259.50 80.50 147.50 241.00 448.00 1059.50 1187.50 7901.17
2004 1195.00 1185.00 837.00 741.50 556.00 268.00 98.50 154.50 340.50 791.00 1034.00 1105.67 a 8306.67
2005 1218.09 b 1048.00 1044.50 916.50 596.50 421.50 51.50 152.00 459.50 636.10 e 776.38 a 1067.71 e 8388.27
2006 1196.50 1041.00 1270.00 912.00 554.50 245.50 73.50 201.50 348.50 709.00 533.00 h 1083.97 a 7635.97
2007 1282.88 a 979.50 871.50 722.00 493.00 218.00 39.00 58.00 386.50 675.50 788.33 c 1213.28 b 7727.49
2008 1284.36 b 1118.65 b 963.58 a 765.00 599.50 258.00 42.00 13.50 l 297.00 638.08 a 805.86 a 1128.40 a 7900.44
2009 1084.50 1071.50 1048.50 811.00 417.00 422.00 88.00 164.00 222.50 735.50 842.00 1232.25 a 8138.75
2010 1187.82 a 1040.00 1092.50 978.00 755.50 291.00 130.50 184.50 268.50 621.50 946.55 a 1068.00 8564.37
2011 691.00 l 1176.61 e 1059.37 e 833.08 d 734.38 b 374.00 129.17 a 102.96 c 276.43 b 575.50 727.00 g 1136.15 a 6397.64
2012 920.70 a 1039.17 b 923.00 717.50 469.50 234.83 a 95.14 b 61.45 c 146.00 f 519.00 800.00 1184.50 6964.78
2013 1241.00 994.00 811.00 29.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 55.00 z 3046.00
Period of Record Statistics
MEAN 1142.93 1056.64 987.01 839.49 570.60 300.70 104.96 132.93 320.96 635.98 890.23 1133.23 8123.00
S.D. 111.55 80.77 118.01 99.82 120.62 86.60 51.45 51.76 62.91 95.01 129.79 85.62 267.09
SKEW -0.52 -0.23 0.32 0.10 0.43 0.65 0.58 0.07 0.37 -0.38 0.40 -0.09 -0.08
MAX 1284.36 1185.00 1270.00 982.00 812.50 455.50 213.00 239.22 459.50 791.00 1171.00 1321.50 8564.37
MIN 920.70 872.00 811.00 700.50 373.50 196.50 39.00 58.00 222.50 448.00 643.50 938.78 7727.49
NO YRS 19 20 19 18 19 19 18 18 16 18 17 20 10