STONY GORGE RESERVOIR, CALIFORNIA

Monthly Total Growing Degree Days

(048587)

Base Temperature = 40 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 1119.00 1071.50 906.00 669.50 327.00 52.00 g 4093.00
1949 17.50 115.00 276.50 624.50 732.12 a 1020.00 1159.50 1049.50 960.00 645.50 482.00 96.00 7178.12
1950 64.50 233.50 293.50 557.00 825.00 936.00 1289.00 1206.50 942.00 681.50 439.50 225.50 7693.50
1951 110.00 163.50 350.50 549.00 777.00 1035.50 1192.00 1168.70 a 1018.00 650.00 317.22 c 143.50 7474.92
1952 63.00 213.00 240.00 538.00 821.00 857.00 1293.00 1173.00 1060.00 826.50 300.50 135.50 7520.50
1953 277.00 264.00 328.00 484.50 580.00 849.00 1243.00 1085.50 1087.50 662.50 363.50 244.50 7469.00
1954 147.00 292.00 264.00 586.50 846.00 897.50 1211.50 1025.00 885.00 662.00 363.00 97.00 7276.50
1955 73.50 160.50 332.00 359.50 775.50 954.00 1106.00 1171.50 978.50 703.00 304.50 192.50 7111.00
1956 136.50 118.00 353.50 494.50 751.00 973.50 1221.50 1095.50 895.50 631.00 410.50 173.00 7254.00
1957 56.00 271.50 382.00 524.50 716.50 1092.50 1188.00 1066.92 a 963.50 562.50 283.00 152.50 7259.42
1958 152.50 291.00 218.50 470.50 825.00 915.00 1206.00 1288.00 1032.50 821.50 429.50 360.00 8010.00
1959 214.50 207.50 449.50 656.00 723.00 1059.50 1288.50 1150.50 888.00 816.50 422.50 193.00 8069.00
1960 127.50 225.50 455.50 461.50 699.00 1147.50 1297.00 1178.50 1004.50 685.50 311.00 191.00 7784.00
1961 173.00 275.50 315.50 532.50 661.50 1104.50 1273.50 1231.50 925.34 a 725.00 321.50 141.00 7680.34
1962 209.00 187.00 277.50 620.00 676.00 782.50 g 1211.67 b 1127.07 c 958.50 703.00 393.50 268.50 6631.74
1963 105.00 407.00 287.50 332.00 764.50 948.00 1085.00 1123.50 1014.50 680.50 309.50 127.50 7184.50
1964 108.00 264.50 305.50 484.00 685.50 929.50 1186.50 1181.00 917.00 789.50 276.50 254.00 7381.50
1965 213.00 229.00 361.00 477.00 736.00 919.00 1160.00 1135.00 843.50 805.50 358.00 82.00 7319.00
1966 105.50 141.50 382.00 641.50 872.50 1009.00 1084.50 1224.00 991.50 755.00 375.00 190.50 7772.50
1967 160.50 270.50 269.50 189.50 761.50 946.00 1233.50 1295.50 1046.00 731.00 448.00 174.00 7525.50
1968 126.00 350.50 375.50 524.50 719.00 1020.50 1206.50 1028.50 975.50 666.00 325.00 77.00 7394.50
1969 97.00 102.00 315.68 a 433.00 858.00 940.50 1221.50 1206.00 1021.00 606.50 415.00 262.00 7478.18
1970 247.50 310.50 425.50 382.00 841.00 1036.00 1259.50 1154.00 973.00 671.00 388.50 113.00 7801.50
1971 193.00 241.00 299.50 423.50 683.00 942.50 1244.50 1219.00 928.50 593.00 291.50 57.50 7116.50
1972 115.50 263.00 463.50 466.50 789.00 1021.00 1223.00 1185.00 853.50 608.00 229.00 81.00 7298.00
1973 57.50 219.00 240.00 537.00 893.00 1044.50 1213.00 1097.50 906.50 640.00 274.00 165.50 7287.50
1974 163.00 149.00 314.00 379.50 749.50 1011.00 1137.00 1155.00 1059.00 734.00 288.50 98.00 7237.50
1975 153.50 139.50 274.00 286.00 756.00 971.50 1124.00 1084.00 1048.00 573.00 255.00 194.00 6858.50
1976 162.50 224.00 296.50 400.50 870.00 935.50 1203.00 956.50 940.50 751.00 473.50 208.50 7422.00
1977 96.50 288.50 228.00 607.50 525.50 1124.00 1178.00 1181.50 876.50 691.00 320.00 225.50 7342.50
1978 229.00 229.50 459.00 422.00 740.50 941.00 1186.00 1167.50 827.50 829.50 257.00 72.00 g 7288.50
1979 112.50 164.00 367.50 429.00 775.50 978.00 1150.00 1059.00 1005.00 693.50 255.50 180.50 7170.00
1980 217.00 272.50 280.50 477.50 676.00 793.00 1156.50 1112.50 923.00 741.50 359.00 238.50 7247.50
1981 195.50 263.00 335.00 532.50 785.00 1111.50 1196.50 1167.00 975.50 583.00 408.50 208.00 7761.00
1982 76.50 197.00 241.50 382.00 802.50 890.50 1106.50 1108.50 874.00 615.00 220.50 138.50 6653.00
1983 162.50 0.00 z 137.00 m 342.00 711.00 918.00 1025.50 1092.50 942.00 716.50 286.50 150.00 6346.50
1984 247.50 258.00 0.00 z 470.50 852.00 1007.07 a 1310.50 1131.50 986.50 0.00 z 0.00 z 0.00 z 6263.57
1985 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 614.50 207.00 152.00 973.50
1986 247.50 263.00 422.50 455.50 700.00 1011.50 1102.00 1190.50 780.00 712.50 430.50 149.50 7465.00
1987 119.00 243.00 320.50 668.50 913.47 a 1060.50 1076.00 1195.00 994.50 877.50 343.00 158.00 7968.97
1988 156.50 338.00 423.50 535.50 655.00 954.50 1339.00 1199.00 1032.50 866.50 318.00 216.50 8034.50
1989 134.00 159.00 313.00 622.00 752.00 1017.50 1169.50 1091.00 880.00 644.00 390.50 208.50 7381.00
1990 137.00 151.50 403.00 651.00 719.00 939.00 1275.50 1192.50 990.00 773.50 318.00 85.50 7635.50
1991 153.50 364.00 227.50 444.50 623.00 889.00 1285.00 1074.00 1110.50 885.00 444.50 187.00 7687.50
1992 122.00 328.00 416.50 556.00 930.50 992.00 1107.50 1208.50 957.50 738.00 306.00 87.00 7749.50
1993 90.00 133.00 444.50 431.00 659.50 864.00 1104.00 1055.50 916.50 731.00 270.50 133.50 6833.00
1994 200.50 105.50 403.50 496.00 746.50 920.00 1225.50 1100.50 953.50 620.50 95.00 34.00 6901.00
1995 175.00 313.50 257.00 396.00 632.00 835.50 1081.00 1090.50 942.50 692.50 444.00 181.50 7041.00
1996 152.50 272.50 360.50 440.00 722.00 997.00 1271.00 1217.00 908.50 675.00 378.50 212.00 7606.50
1997 182.00 230.50 433.00 511.00 877.50 964.00 1176.50 1103.50 944.50 624.50 385.00 135.00 7567.00
1998 174.00 134.00 329.50 390.00 467.00 816.00 1175.50 1192.50 991.50 594.00 281.50 127.50 6673.00
1999 174.00 121.50 235.00 457.00 712.00 891.00 1062.00 1053.50 1003.50 726.50 359.50 183.50 6979.00
2000 154.00 222.50 340.00 539.00 707.00 1016.00 1040.00 1109.00 890.00 612.25 a 173.50 179.00 6982.25
2001 108.00 140.50 427.50 397.00 964.00 983.50 1160.00 1146.00 977.50 803.50 361.00 136.50 7605.00
2002 141.50 237.50 299.00 533.00 709.50 1047.50 1246.00 1145.50 995.50 692.00 398.50 177.50 7623.00
2003 281.00 204.00 367.00 321.00 682.50 1035.50 1270.50 1087.50 1039.50 818.50 218.00 168.50 7493.50
2004 126.38 e 200.00 531.50 572.00 734.50 1023.00 1205.50 1146.50 944.00 0.00 z 299.00 201.00 6983.38
2005 113.00 275.50 396.50 431.50 665.50 795.00 1262.00 1170.00 848.00 639.00 381.50 192.50 7170.00
2006 164.00 238.00 134.50 395.00 796.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1728.00
Period of Record Statistics
MEAN 148.62 226.36 337.15 479.31 747.79 969.66 1189.90 1138.98 956.72 701.08 334.84 166.27 7400.54
S.D. 57.05 70.80 78.74 99.14 94.46 81.45 74.38 65.94 68.01 81.86 78.41 59.55 337.85
SKEW 0.24 0.14 0.07 -0.23 -0.22 -0.11 -0.22 -0.10 -0.15 0.47 -0.42 0.33 -0.12
MAX 281.00 407.00 531.50 668.50 964.00 1147.50 1339.00 1295.50 1110.50 885.00 482.00 360.00 8069.00
MIN 17.50 102.00 134.50 189.50 467.00 793.00 1025.50 956.50 780.00 562.50 95.00 34.00 6653.00
NO YRS 57 56 55 57 57 55 57 57 57 56 57 55 51