DONNER MEMORIAL ST PK, CALIFORNIA

Monthly Total Heating Degree Days

(042467)

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
1953 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 670.00 810.50 1117.00 2597.50
1954 1151.50 952.50 1101.00 0.00 z 432.00 380.00 134.00 280.50 394.00 626.00 764.50 1191.50 7407.50
1955 1374.50 1161.50 1087.00 918.50 595.00 340.00 231.00 148.50 339.00 549.50 871.00 1058.00 8673.50
1956 1106.50 1267.50 1015.00 766.50 554.00 330.50 158.50 254.50 297.50 689.00 872.00 1150.50 8462.00
1957 1398.50 931.50 906.50 742.00 572.00 260.89 b 0.00 z 272.50 273.00 682.00 936.50 0.00 z 6975.39
1958 1179.00 891.00 1140.00 850.50 492.50 357.00 169.50 69.50 295.50 493.50 827.00 887.00 7652.00
1959 1019.00 1067.00 877.00 622.50 651.50 263.50 70.50 177.00 379.50 518.00 784.00 1107.22 a 7536.72
1960 1251.00 1124.50 885.50 735.00 613.50 194.00 71.00 185.00 242.50 606.00 912.00 1141.50 7961.50
1961 1026.50 904.50 971.00 738.00 622.00 192.00 99.00 118.50 392.50 609.00 894.50 1134.50 7702.00
1962 1257.50 1062.00 1170.00 661.50 638.00 296.00 153.50 189.50 273.50 580.50 787.50 982.50 8052.00
1963 1185.50 727.50 1016.50 978.50 515.00 388.00 237.67 a 239.73 a 248.50 549.00 902.00 1081.50 8069.40
1964 1185.00 1153.50 0.00 z 803.50 0.00 z 404.00 151.00 159.50 426.50 466.00 1033.50 1062.50 6845.00
1965 1186.50 984.50 965.50 757.00 620.00 370.50 187.03 a 201.00 454.50 512.50 888.50 1383.50 8511.03
1966 1295.00 1177.50 957.00 657.00 416.50 344.50 204.00 290.50 485.00 654.50 848.00 1147.00 8476.50
1967 1158.50 999.50 1017.50 1021.50 640.00 399.50 103.00 68.00 250.50 581.50 760.50 1371.50 8371.50
1968 1301.50 934.50 962.03 a 760.00 585.00 274.00 107.50 294.00 353.00 606.00 889.00 1294.50 8361.03
1969 1179.50 1195.50 1118.00 820.00 475.50 362.00 111.50 127.50 262.50 782.50 822.50 1050.00 8307.00
1970 1076.50 886.00 953.50 902.00 541.00 305.00 105.50 135.00 443.00 707.00 859.66 a 1259.00 8173.16
1971 1218.09 b 1024.50 1081.50 871.50 670.08 e 419.50 142.00 123.00 424.44 c 776.00 976.00 1320.00 9046.61
1972 1328.00 1026.50 828.50 816.50 498.77 c 218.50 109.50 146.50 408.50 656.17 a 973.00 1292.50 8302.93
1973 1310.50 998.50 1103.00 774.50 437.50 269.50 126.50 166.00 397.00 700.50 1030.50 1147.00 8461.00
1974 1232.50 1087.00 1011.00 899.00 598.50 277.00 258.00 297.50 394.00 740.50 923.00 1132.00 8850.00
1975 1194.00 1049.00 1057.00 1046.50 620.00 338.00 148.00 241.00 209.00 688.50 942.00 1011.50 8544.50
1976 1122.50 1020.50 1045.22 a 818.50 462.00 386.25 b 142.50 312.58 a 155.50 k 571.71 e 729.11 b 1081.00 7691.87
1977 1225.00 869.56 a 1134.08 a 630.00 a 766.00 172.00 141.50 108.50 b 335.00 551.80 a 802.50 995.50 7731.44
1978 1063.00 939.50 812.50 828.00 599.00 342.00 135.00 206.50 426.00 507.00 1002.50 1260.00 8121.00
1979 1320.50 1031.15 b 848.00 735.00 505.50 320.00 159.50 196.00 261.50 557.48 a 951.00 1046.50 7932.14
1980 1087.50 910.00 1095.50 731.50 628.00 455.50 152.00 213.50 358.50 570.50 811.00 1028.50 8042.00
1981 1006.00 952.50 981.50 662.50 527.00 199.66 a 140.00 78.00 201.50 707.50 854.48 a 950.00 7260.64
1982 1338.50 940.00 1024.00 877.00 517.00 368.50 188.50 126.00 411.00 693.50 983.50 1216.00 8683.50
1983 1157.50 955.00 979.50 907.50 593.00 333.50 275.50 181.00 287.00 527.00 958.45 a 1028.00 8182.95
1984 1104.00 1035.50 850.00 785.00 449.00 368.50 65.00 104.00 270.00 745.50 986.00 1257.00 8019.50
1985 1219.50 1044.00 1120.50 652.50 567.00 199.00 61.50 192.50 457.00 656.50 1045.50 1227.50 8443.00
1986 936.00 677.50 i 829.00 691.00 559.00 211.03 a 189.00 78.00 471.50 614.00 801.00 1054.50 6434.03
1987 1259.00 1014.00 977.50 575.00 485.00 236.50 247.50 112.50 259.00 487.50 878.00 1216.00 7747.50
1988 1211.50 974.00 870.50 674.00 598.00 296.00 81.00 87.50 303.50 431.00 914.50 1240.00 7681.50
1989 1330.00 1154.00 936.50 628.00 549.50 275.50 152.50 239.00 364.00 698.00 847.00 1097.50 8271.50
1990 1189.50 1183.50 911.50 625.00 611.00 366.50 96.50 174.00 308.79 a 563.00 0.00 z 1366.50 7395.79
1991 1136.50 781.50 1120.50 780.00 707.50 397.00 97.50 148.50 233.50 508.50 838.50 897.50 g 6749.50
1992 1143.00 928.00 860.00 613.50 352.50 290.50 187.00 111.50 277.50 533.50 919.50 1331.00 7547.50
1993 1288.00 1085.50 853.50 791.00 425.70 c 260.00 g 279.50 219.00 328.50 588.50 937.50 1170.50 7967.20
1994 1090.00 1061.50 869.00 714.50 548.00 317.50 84.50 129.00 341.50 667.00 1164.00 1181.50 8168.00
1995 1103.00 840.00 1050.00 905.50 672.00 437.00 207.00 181.00 284.00 558.50 700.00 1030.00 7968.00
1996 1045.00 953.50 975.50 762.00 610.00 297.50 66.50 116.50 362.50 654.50 823.00 1064.00 7730.50
1997 1103.00 964.50 853.50 769.00 433.50 357.00 163.00 158.00 320.50 662.50 831.00 1258.50 7874.00
1998 1105.67 a 1056.00 971.00 900.00 765.50 396.50 124.00 119.00 289.00 693.50 916.50 1206.93 a 8543.60
1999 1093.00 1022.00 955.00 895.50 545.50 319.00 136.50 179.50 252.50 473.50 739.50 1108.50 7720.00
2000 1082.50 951.50 911.50 639.31 a 478.50 189.00 182.50 109.00 298.93 b 628.00 964.50 1041.00 7476.24
2001 0.00 z 1087.00 832.50 813.50 316.50 225.00 123.00 83.00 0.00 z 468.10 a 821.00 1140.00 5909.60
2002 1221.50 964.00 972.50 658.50 508.50 193.00 35.50 149.00 252.00 596.50 826.50 1110.00 7487.50
2003 926.00 735.50 g 499.00 m 545.00 m 315.00 j 104.00 o 68.50 133.50 208.00 357.00 g 525.50 n 684.50 k 1336.00
2004 1117.66 c 1088.66 d 766.00 535.00 f 400.50 f 105.50 l 54.00 i 100.00 318.50 674.50 904.50 1162.00 6131.82
2005 1208.00 918.00 911.00 802.50 541.00 396.00 35.00 74.50 372.50 576.00 798.50 1017.00 7650.00
2006 1071.00 953.00 1154.00 765.00 446.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4389.00
Period of Record Statistics
MEAN 1171.52 1005.57 974.42 775.45 551.10 312.84 141.91 165.49 329.94 607.87 883.46 1144.15 8092.60
S.D. 107.52 106.62 104.83 110.69 94.98 75.24 59.80 66.22 75.41 86.11 91.38 115.58 417.73
SKEW -0.02 0.04 0.09 0.35 -0.06 -0.24 0.43 0.54 0.27 0.01 0.48 0.23 0.13
MAX 1398.50 1267.50 1170.00 1046.50 766.00 455.50 279.50 312.58 485.00 782.50 1164.00 1383.50 9046.61
MIN 926.00 727.50 766.00 575.00 316.50 172.00 35.00 68.00 201.50 431.00 700.00 887.00 7260.64
NO YRS 52 51 51 50 50 49 50 52 50 52 51 50 41