SAN FRANCISCO RICHMOND, CALIFORNIA

Monthly Total Growing Degree Days

(047767)

Base Temperature = 50 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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1949 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 0.00 z 0.00
1950 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 0.00 z 0.00
1951 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 0.00 z 0.00
1952 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 0.00 z 0.00
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 0.00 z 0.00 z 0.00 z 0.00
1954 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 0.00 z 0.00
1955 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 0.00 z 0.00
1956 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 0.00 z 0.00
1957 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 0.00 z 0.00
1958 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 109.00 i 0.00
1959 82.00 66.50 156.03 a 193.00 172.00 155.00 i 287.02 b 319.50 327.93 a 328.00 205.86 a 80.50 2218.34
1960 34.50 40.91 a 92.45 c 108.50 141.80 d 238.97 a 123.50 n 237.15 a 203.50 207.91 b 68.04 b 42.50 1416.22
1961 53.50 65.00 42.37 a 97.00 140.50 239.50 251.50 295.03 b 293.00 253.50 97.00 21.50 1849.40
1962 85.00 34.50 58.00 136.50 131.00 156.50 172.00 305.50 214.50 228.50 182.50 101.00 1805.50
1963 29.28 d 160.50 42.50 135.00 190.50 189.83 a 267.50 245.50 365.00 176.00 l 159.00 11.00 1795.61
1964 23.00 65.00 37.00 78.00 97.00 191.00 223.50 307.00 338.00 298.50 104.00 93.00 1855.00
1965 70.04 d 49.50 85.50 110.00 71.50 109.50 217.00 284.50 296.00 400.50 207.50 18.00 1919.54
1966 121.00 93.50 115.00 234.00 193.50 258.50 252.13 a 251.50 342.50 369.50 191.50 96.74 b 2519.37
1967 94.00 152.50 152.00 47.50 239.00 168.00 307.50 277.50 366.00 370.50 295.00 92.00 2561.50
1968 0.00 z 122.00 l 115.50 104.50 126.50 189.00 203.50 358.00 326.00 238.00 127.00 21.00 1809.00
1969 13.50 g 26.00 111.50 84.50 187.00 248.00 233.50 237.00 256.00 226.50 g 218.50 151.00 1753.00
1970 102.50 162.50 148.80 a 37.50 143.00 168.50 205.50 187.00 323.50 136.06 d 78.00 i 44.36 b 1659.22
1971 73.50 46.85 b 46.00 g 47.50 98.50 182.50 160.00 283.50 323.50 201.50 b 106.00 10.50 1533.85
1972 9.00 76.00 95.00 95.50 121.50 165.00 298.50 301.00 286.00 299.48 c 122.50 77.00 1946.48
1973 42.50 91.50 65.00 151.00 139.50 241.00 232.00 199.00 272.50 251.00 82.50 46.50 1814.00
1974 76.50 34.50 84.50 f 97.00 106.00 201.50 284.50 290.37 a 263.50 332.00 148.00 30.50 1864.37
1975 32.00 50.50 81.00 47.00 167.00 167.50 231.47 a 244.50 242.00 196.50 105.00 54.77 a 1619.23
1976 81.00 68.00 41.50 75.50 179.00 235.00 276.50 365.50 335.50 318.50 232.00 58.50 2266.50
1977 41.00 84.00 61.00 114.50 154.50 199.00 258.00 345.00 308.33 c 252.00 136.50 97.00 2050.83
1978 120.79 b 114.00 244.00 177.50 231.50 228.62 a 261.50 280.55 a 372.41 a 257.50 114.50 27.90 a 2430.78
1979 22.00 75.83 d 141.00 157.00 212.50 238.50 283.00 314.13 a 412.00 380.00 226.00 127.50 2589.47
1980 65.50 i 165.50 183.50 158.57 b 187.00 263.00 325.50 311.00 313.39 b 211.50 h 190.00 144.00 2241.46
1981 104.50 141.00 117.50 124.14 a 178.50 281.50 0.00 z 285.50 275.00 295.53 a 224.50 148.00 2175.67
1982 0.00 z 109.00 99.50 163.50 169.00 73.00 r 134.00 q 198.00 j 283.50 0.00 z 145.34 a 67.00 1036.84
1983 51.00 113.00 139.50 158.00 202.00 0.00 z 322.50 440.20 a 455.00 379.50 176.00 68.00 p 2436.70
1984 12.50 z 92.50 209.00 102.00 182.00 184.00 312.00 311.00 374.50 246.50 94.00 28.50 2136.00
1985 0.00 z 0.00 z 23.00 177.93 a 112.00 q 234.50 330.15 a 0.00 z 0.00 z 0.00 z 1.00 s 22.00 787.58
1986 117.50 140.00 202.50 88.00 121.00 251.38 a 269.00 245.50 270.00 a 0.00 z 0.00 z 42.50 1747.38
1987 15.50 79.50 113.50 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 208.50
1988 0.00 z 0.00 z 0.00 z 0.00 z 177.00 265.50 275.50 324.00 151.00 l 171.50 m 148.00 66.00 1256.00
1989 27.00 26.50 s 105.50 242.50 216.50 261.50 264.50 308.00 283.00 286.00 203.00 57.50 2255.00
1990 61.50 43.00 90.50 190.00 192.50 287.50 332.50 370.00 352.00 270.50 149.50 23.50 k 2339.50
1991 38.00 138.50 50.00 105.00 116.00 165.50 242.50 330.00 251.00 257.50 173.50 47.00 1914.50
1992 37.00 165.50 221.50 253.50 281.50 301.50 366.00 202.00 m 306.00 367.50 171.50 25.50 2497.00
1993 30.00 47.50 162.00 174.00 95.50 p 0.00 z 293.50 0.00 z 0.00 z 211.00 m 225.00 7.50 q 932.00
1994 52.50 k 27.50 i 0.00 z 123.50 148.00 129.50 h 195.50 0.00 z 275.50 254.50 40.50 8.00 1045.50
1995 106.50 145.50 153.50 101.50 153.50 172.00 328.00 281.00 303.50 315.50 184.50 104.50 2349.50
1996 93.00 144.50 169.00 173.00 190.00 156.00 211.00 234.50 238.50 255.00 167.50 136.50 2168.50
1997 77.00 98.50 116.00 115.00 274.00 213.00 250.00 381.50 434.00 314.50 248.50 84.00 2606.00
1998 109.02 a 72.50 132.50 111.50 181.00 242.00 233.50 256.00 280.86 a 261.00 113.00 42.50 2035.38
1999 38.00 22.30 a 29.50 84.50 57.87 a 128.50 204.17 b 267.00 251.00 284.17 a 182.07 a 85.52 b 1634.59
2000 62.50 114.96 a 102.96 c 169.82 b 160.00 202.76 a 211.00 256.02 b 327.86 b 241.05 b 82.24 a 66.00 h 1931.18
2001 38.75 c 28.00 c 117.05 b 37.76 a 182.38 a 204.64 b 227.85 a 249.00 228.75 b 240.85 e 116.00 h 53.50 f 1555.03
2002 54.00 111.00 73.50 112.50 114.18 a 166.03 a 225.30 c 254.64 c 259.50 220.32 c 182.50 g 125.72 d 1716.71
2003 173.17 b 60.50 g 129.74 d 65.00 f 166.62 c 223.85 d 211.00 353.00 355.71 b 280.03 a 111.00 f 81.24 b 1974.37
2004 53.70 c 60.23 c 154.00 g 0.00 z 182.68 c 157.50 f 268.84 b 328.00 327.78 c 264.61 c 155.19 d 80.17 b 1721.20
2005 18.50 h 109.00 f 96.50 k 49.00 n 237.09 d 161.00 f 235.27 c 159.00 h 223.45 a 207.18 a 214.14 a 122.50 1239.63
2006 91.50 112.58 d 42.22 b 124.50 170.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 541.31
Period of Record Statistics
MEAN 65.95 90.31 111.16 126.03 166.31 210.78 256.77 292.86 305.52 277.93 160.42 68.82 2101.90
S.D. 36.53 43.69 54.75 52.77 47.52 45.28 46.78 51.42 56.86 59.25 55.66 41.62 327.00
SKEW 0.66 0.24 0.42 0.46 0.12 -0.05 0.22 0.44 0.52 0.21 0.03 0.37 0.26
MAX 173.17 165.50 244.00 253.50 281.50 301.50 366.00 440.20 455.00 400.50 295.00 151.00 2606.00
MIN 9.00 22.30 23.00 37.50 57.87 109.50 160.00 187.00 203.50 136.06 40.50 8.00 1619.23
NO YRS 39 41 42 43 45 39 43 40 43 38 40 41 19