ELECTRA POWER HOUSE, CALIFORNIA

Monthly Total Growing Degree Days

(042728)

Base Temperature = 40 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 199707
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 1104.00 1041.00 939.50 720.50 401.00 145.00 4351.00
1949 35.50 180.50 365.50 635.50 758.00 1030.00 1157.00 1016.50 974.00 686.50 551.50 170.00 7560.50
1950 130.00 306.50 382.50 598.50 806.00 942.50 1245.00 1191.00 933.00 754.00 513.50 318.50 8121.00
1951 201.00 272.50 387.50 581.00 800.00 963.50 1169.50 1134.00 1012.50 691.50 447.50 167.50 7828.00
1952 172.50 279.50 279.00 584.50 825.50 829.00 1256.50 1139.00 1049.50 833.00 363.50 222.50 7834.00
1953 313.50 269.50 365.50 524.00 620.00 816.50 1225.00 1039.50 1045.00 702.50 454.50 257.50 7633.00
1954 220.00 307.50 309.00 645.50 845.50 922.50 1223.00 1039.50 887.00 693.50 408.00 184.00 7685.00
1955 104.50 207.00 385.50 371.50 760.50 905.50 1076.00 1179.50 964.00 727.00 373.00 309.50 7363.50
1956 279.00 163.50 399.00 523.50 758.50 978.00 1174.50 1072.50 983.50 684.50 422.50 198.50 7637.50
1957 116.50 347.00 435.00 545.50 717.00 1045.50 1163.50 1047.50 965.00 660.50 354.00 219.00 7616.00
1958 214.50 388.00 309.00 496.50 838.00 919.50 1166.50 1286.50 1035.00 867.00 446.00 385.50 8352.00
1959 294.00 250.00 507.00 670.00 724.50 990.00 a 1243.50 1105.00 883.00 773.50 426.50 207.00 8074.00
1960 206.00 249.00 470.00 505.00 696.00 1071.00 1242.00 1126.50 969.00 666.00 355.00 142.08 a 7697.58
1961 178.50 284.50 352.50 527.00 614.50 1040.00 1186.50 1173.50 878.00 692.50 308.00 162.75 e 7398.25
1962 125.50 203.50 280.50 613.00 652.50 946.00 1124.50 1078.00 932.00 672.50 431.50 252.00 7311.50
1963 89.00 407.00 305.00 351.50 692.00 826.50 956.50 1019.00 1000.50 740.50 356.50 133.00 6877.00
1964 144.00 222.00 330.00 497.00 646.00 874.00 1124.00 1092.00 826.50 803.00 284.00 267.00 7109.50
1965 208.50 254.50 403.00 503.00 720.00 814.50 1101.50 1114.00 814.50 795.00 423.50 113.00 7265.00
1966 166.00 196.50 430.50 653.00 834.50 970.50 1040.00 1174.00 942.00 727.50 463.50 172.50 7770.50
1967 192.00 224.50 329.50 246.50 729.00 878.50 1214.50 1269.00 1021.50 742.50 488.00 124.00 7459.50
1968 160.00 406.50 441.50 534.00 710.00 1000.00 1172.50 1017.00 920.00 673.50 387.50 159.00 7581.50
1969 181.00 189.00 351.00 492.00 806.00 863.50 1167.50 1167.50 1011.50 595.50 412.50 245.00 7482.00
1970 295.50 343.50 400.50 401.00 820.00 959.00 1204.00 1104.00 923.50 672.50 445.00 163.50 7732.00
1971 191.50 219.00 354.00 453.50 625.50 859.00 1157.50 1157.50 921.00 619.50 325.00 94.00 6977.00
1972 88.50 303.00 524.50 492.00 789.00 977.00 1164.50 1107.50 842.50 653.50 275.50 135.50 7353.00
1973 154.00 303.50 286.00 546.00 870.50 1026.00 1128.50 1075.00 868.00 656.00 319.00 209.50 7442.00
1974 208.50 210.50 388.00 461.00 731.00 958.00 1105.50 1107.50 995.50 777.00 380.00 166.00 7488.50
1975 153.50 238.50 306.50 316.50 742.50 922.00 1086.00 1051.50 1030.50 629.00 292.00 191.68 a 6960.18
1976 188.50 293.50 327.00 443.50 824.00 922.50 1136.50 967.00 964.50 768.50 458.00 193.00 7486.50
1977 130.50 307.00 280.00 615.50 575.50 1059.50 1147.00 1154.00 933.00 751.00 395.00 303.00 7651.00
1978 316.00 288.50 531.00 445.00 762.50 905.50 1155.00 1116.50 881.50 826.67 a 330.50 94.50 7653.17
1979 154.00 204.50 398.00 489.31 a 819.00 958.00 1125.00 1040.00 1006.50 735.50 384.00 273.50 7587.31
1980 270.50 353.00 347.00 531.50 683.00 808.50 1133.00 1053.00 925.00 782.50 438.00 271.25 a 7596.25
1981 283.02 d 293.50 351.00 555.00 772.00 1057.50 1115.50 1104.00 927.50 599.50 432.50 258.00 7749.02
1982 88.00 278.50 308.50 432.00 751.50 833.00 1074.00 1080.50 867.00 666.50 250.00 172.00 6801.50
1983 170.50 317.50 385.00 398.00 714.00 878.00 988.50 1101.50 968.00 771.50 325.50 286.00 7304.00
1984 204.50 239.00 447.50 451.00 836.50 925.50 1235.00 1098.50 1048.00 577.00 303.50 118.50 7484.50
1985 82.50 230.50 191.00 k 601.00 692.50 987.00 1168.50 1020.50 812.00 663.50 306.50 155.00 6719.50
1986 345.00 344.00 524.00 535.00 756.50 961.50 1110.00 1128.00 753.00 0.00 z 407.50 180.50 7045.00
1987 138.00 265.50 385.50 672.00 879.50 998.50 961.00 1091.50 941.50 838.00 0.00 z 213.00 7384.00
1988 232.00 329.50 431.00 576.50 692.50 927.00 1255.50 1120.00 947.50 770.00 369.50 165.00 7816.00
1989 98.00 184.50 417.00 599.50 709.00 905.00 1066.50 988.50 851.50 637.50 374.50 133.00 6964.50
1990 153.00 146.50 397.50 597.00 703.00 0.00 z 1152.00 1065.50 0.00 z 743.00 340.00 107.00 5404.50
1991 146.50 365.00 261.50 419.00 634.50 832.00 0.00 z 1003.00 1033.50 839.50 419.50 158.50 6112.50
1992 105.50 348.50 448.00 600.50 889.00 936.50 1054.50 0.00 z 920.00 748.50 362.00 0.00 z 6413.00
1993 169.00 219.00 465.00 a 457.76 a 709.50 846.50 1036.50 1025.14 b 911.00 751.00 323.50 105.00 i 6913.90
1994 174.00 164.89 a 430.50 504.00 373.50 m 854.50 0.00 z 0.00 z 657.00 g 600.50 104.00 m 52.50 k 2728.39
1995 133.00 o 160.00 l 205.00 l 173.50 q 321.50 o 0.00 z 501.50 p 0.00 z 0.00 z 246.50 u 0.00 z 0.00 z 0.00
1996 92.00 q 128.50 p 206.50 p 158.00 t 0.00 z 497.00 n 559.00 q 645.50 n 434.50 o 302.00 p 0.00 z 114.50 r 0.00
1997 0.00 z 0.00 z 306.50 l 300.00 m 405.00 q 502.50 o 588.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 179.83 269.55 382.50 515.02 745.26 931.66 1139.86 1095.16 939.08 716.96 385.07 195.38 7518.51
S.D. 70.07 66.58 69.82 94.37 76.47 73.65 74.07 67.57 70.59 71.78 65.68 66.53 336.86
SKEW 0.46 0.20 0.32 -0.55 -0.10 0.07 -0.56 0.63 -0.41 0.06 0.16 0.71 -0.10
MAX 345.00 407.00 531.00 672.00 889.00 1071.00 1256.50 1286.50 1049.50 867.00 551.50 385.50 8352.00
MIN 35.50 146.50 261.50 246.50 575.50 808.50 956.50 967.00 753.00 577.00 250.00 94.00 6801.50
NO YRS 46 46 45 46 45 45 45 45 45 46 45 44 38