TRUCKEE RANGER STN, CALIFORNIA

Monthly Total Heating Degree Days

(049043)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 191.50 238.91 b 308.28 a 568.00 880.00 c 825.00 l 2186.69
1949 1541.98 b 1169.50 667.00 k 663.50 560.50 246.72 a 110.64 b 139.00 i 160.50 i 310.00 o 0.00 z 951.00 g 4292.84
1950 1187.50 837.41 a 1014.98 b 727.00 597.02 b 364.50 64.07 a 131.50 333.50 379.50 h 593.50 g 944.50 6201.97
1951 1150.00 973.50 1014.00 625.50 551.50 279.00 110.00 184.00 234.11 b 690.00 891.96 b 753.50 k 6703.57
1952 1350.16 c 1104.00 1238.97 a 788.00 533.50 412.50 81.00 155.52 a 253.50 430.00 1049.50 1201.00 8597.64
1953 1092.00 1019.50 1018.02 c 804.81 d 784.00 480.50 113.00 236.00 199.50 638.50 817.50 1113.02 e 8316.34
1954 1134.71 b 971.00 1081.50 656.50 417.50 377.59 a 97.00 246.81 e 352.00 597.50 781.00 1242.30 d 7955.40
1955 1422.50 1160.44 a 1098.00 941.11 c 577.00 333.50 221.00 105.00 326.00 538.50 716.50 f 1074.50 7797.56
1956 1103.00 1295.50 1032.30 a 795.00 590.00 375.00 150.00 226.50 261.50 710.86 b 971.11 c 1182.81 b 8693.58
1957 1418.00 946.50 958.00 759.00 606.00 258.50 167.40 a 256.27 a 267.00 738.83 a 1010.50 1113.00 8499.00
1958 1230.00 909.00 1164.50 887.00 488.52 b 379.14 a 180.12 b 74.00 297.50 539.40 a 925.34 a 920.50 7995.02
1959 1063.50 1088.00 902.50 632.00 667.57 b 267.41 a 66.65 a 171.05 c 365.89 b 560.50 813.50 1139.25 a 7737.83
1960 1272.00 1121.50 895.50 771.50 640.00 218.50 84.00 126.50 g 282.50 621.00 957.32 b 1177.00 8040.82
1961 1046.50 926.50 1015.77 a 767.50 669.50 237.50 129.17 a 171.50 435.00 672.50 750.50 f 1182.13 a 7253.57
1962 1309.50 1093.00 1161.43 b 409.50 k 493.50 i 345.00 d 199.95 a 243.83 e 277.50 590.00 770.69 a 1028.68 a 7019.58
1963 1216.00 748.00 1066.29 b 1029.00 539.06 d 414.83 a 241.00 245.50 232.50 515.50 912.78 c 827.50 h 7160.45
1964 893.50 h 831.00 h 744.00 j 778.33 c 659.02 b 416.50 149.50 156.00 396.50 423.67 a 1058.89 c 1085.57 d 5123.98
1965 1231.45 b 1021.42 d 975.43 b 761.50 635.50 a 391.03 a 187.00 229.00 470.00 494.00 865.00 c 926.50 i 7261.33
1966 1044.50 f 1186.35 e 644.50 k 650.40 e 416.50 355.50 218.50 114.00 289.50 569.00 875.00 1160.00 5834.75
1967 1168.18 a 1016.50 1036.00 1108.00 648.50 434.00 112.50 75.00 252.00 561.50 757.50 1394.50 8564.18
1968 1298.50 935.00 954.00 758.00 597.27 a 291.50 98.50 270.50 335.50 595.00 926.50 1301.50 8361.77
1969 1169.50 1164.50 1087.00 835.00 466.50 347.00 146.00 153.50 253.00 723.00 849.00 1030.50 8224.50
1970 1113.00 889.00 952.00 917.50 531.13 a 319.00 104.00 115.50 393.00 673.50 811.00 1271.50 8090.13
1971 1195.00 1010.00 1072.00 851.00 673.50 405.00 130.50 83.50 376.50 740.00 932.50 1301.00 8770.50
1972 1332.00 1006.00 802.00 809.50 524.00 259.00 117.00 144.50 401.00 662.00 986.00 1314.00 8357.00
1973 1302.00 999.00 1085.00 757.00 394.45 b 257.50 121.50 162.50 366.00 633.00 935.19 d 1149.50 8162.64
1974 1236.00 1095.50 979.00 855.00 548.70 a 227.00 152.00 178.50 259.50 573.00 896.00 1187.00 8187.20
1975 1236.00 1111.50 1095.00 1065.00 645.50 352.00 129.17 a 283.50 237.50 688.00 939.00 1004.50 8786.67
1976 1059.00 1016.50 1035.00 808.50 466.50 380.00 164.00 350.00 318.50 604.00 755.00 1038.50 7995.50
1977 1246.50 876.00 1102.00 652.00 774.00 177.50 128.50 97.50 323.00 528.00 803.50 978.00 7686.50
1978 1107.50 966.00 800.50 803.50 601.50 340.00 137.50 190.00 410.00 452.00 997.00 1286.50 8092.00
1979 1313.00 1014.50 925.50 772.50 0.00 z 291.50 112.12 a 201.50 221.50 542.00 0.00 z 995.00 6389.12
1980 1102.50 870.00 0.00 z 698.00 600.37 a 426.00 161.72 a 0.00 z 330.50 552.50 766.50 1019.00 6527.08
1981 973.50 964.00 941.00 661.50 523.50 196.50 119.00 69.00 197.50 693.50 853.00 945.50 7137.50
1982 1281.50 926.00 1024.00 862.00 526.50 361.00 183.50 132.50 404.50 675.50 971.50 1200.00 8548.50
1983 1102.50 926.50 959.00 895.00 586.00 354.00 263.00 179.50 299.00 558.00 972.00 1040.50 8135.00
1984 1093.00 1005.00 823.50 812.00 443.50 362.50 59.00 107.50 238.00 755.50 986.00 1258.50 7944.00
1985 1195.50 998.50 1066.00 609.00 526.50 174.50 60.00 150.00 434.50 635.50 1015.50 1184.00 8049.50
1986 896.00 887.00 772.00 695.00 486.50 203.00 168.00 37.50 494.00 599.50 778.50 1040.50 7057.50
1987 1239.00 962.50 929.50 542.00 437.00 207.50 0.00 z 0.00 z 191.00 422.50 865.00 1204.00 7000.00
1988 1175.00 904.50 840.50 667.00 546.00 264.00 46.50 55.00 252.50 348.00 901.50 1196.00 7196.50
1989 1264.00 1093.50 867.00 593.00 534.50 225.00 98.50 198.00 309.50 671.50 837.00 1066.00 7757.50
1990 1131.50 1116.00 869.00 585.50 572.50 315.50 75.00 154.00 258.50 496.00 868.00 1332.00 7773.50
1991 1092.50 725.50 1076.00 789.50 667.50 357.00 70.50 53.00 l 201.50 469.00 859.50 1123.50 7432.00
1992 1125.50 584.00 k 824.00 565.00 322.00 0.00 z 152.50 80.00 223.00 482.00 889.00 1266.00 5929.00
1993 1276.00 1069.00 790.00 739.00 469.50 347.00 218.00 194.50 266.50 573.50 911.50 1125.50 7980.00
1994 1016.00 1009.50 783.00 654.00 472.00 216.50 30.50 58.00 257.00 639.50 1119.50 1118.50 7374.00
1995 1097.00 764.00 976.50 816.00 606.50 365.50 146.50 126.00 202.50 487.00 659.00 1012.50 7259.00
1996 986.00 898.00 913.50 681.00 526.00 246.50 37.50 65.50 295.50 604.50 801.50 1048.50 7104.00
1997 1109.00 915.50 767.00 718.00 372.50 295.50 107.50 97.00 247.50 612.50 809.50 1222.50 7274.00
1998 1059.50 1006.00 915.00 824.00 721.50 0.00 z 68.00 77.00 275.50 682.50 913.00 1194.50 7736.50
1999 1055.00 987.00 914.50 840.50 517.00 293.00 109.00 163.50 233.50 474.50 750.50 1052.00 7390.00
2000 1067.00 931.00 863.00 641.50 458.28 a 178.00 148.50 78.00 315.00 628.50 952.50 1014.50 7275.78
2001 1135.50 1025.00 787.50 796.50 292.00 191.50 93.50 106.50 0.00 z 480.00 817.00 1136.00 6861.00
2002 1213.50 936.00 1002.50 690.50 560.50 252.50 74.50 186.50 290.50 624.00 830.50 1080.50 7742.00
2003 925.00 986.50 857.00 876.50 525.00 242.00 89.00 145.00 240.50 461.00 981.50 1106.50 7435.50
2004 1182.50 1071.00 768.50 656.00 525.50 264.50 93.00 156.00 340.00 675.00 956.38 a 1103.00 7791.38
2005 1190.00 926.50 921.00 784.00 547.50 406.50 58.50 113.00 403.50 568.00 798.50 1017.00 7734.00
2006 1114.50 953.00 1132.00 795.50 454.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4449.00
Period of Record Statistics
MEAN 1172.21 991.57 961.94 763.47 546.86 308.72 125.37 155.11 302.34 584.68 887.40 1130.63 7923.91
S.D. 123.22 109.26 117.66 117.89 99.95 78.15 52.72 68.29 73.75 92.85 92.59 110.57 498.10
SKEW 0.38 0.07 0.06 0.61 -0.07 0.02 0.49 0.48 0.64 -0.27 0.09 0.23 -0.08
MAX 1541.98 1295.50 1238.97 1108.00 784.00 480.50 263.00 350.00 494.00 755.50 1119.50 1394.50 8786.67
MIN 896.00 725.50 767.00 542.00 292.00 174.50 30.50 37.50 191.00 348.00 659.00 920.50 7057.50
NO YRS 56 56 54 57 56 55 57 53 56 56 53 53 39