POINT ARENA, CALIFORNIA

Monthly Total Growing Degree Days

(047009)

Base Temperature = 50 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 198804
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 221.50 j 234.50 64.00 29.00 327.50
1958 35.00 94.00 28.50 91.50 206.50 342.50 300.00 278.50 344.50 191.17 a 132.50 84.50 2129.17
1959 55.28 a 12.00 48.00 93.50 130.50 150.50 i 253.00 269.50 267.00 232.00 77.00 26.50 1464.28
1960 45.00 28.00 54.00 76.50 128.50 209.00 199.50 198.00 177.50 176.00 59.50 26.00 1377.50
1961 32.00 37.00 35.00 71.50 120.50 241.00 251.50 286.50 237.00 153.50 51.50 8.50 1525.50
1962 29.00 14.50 9.50 62.00 85.00 120.50 164.50 241.00 181.50 155.50 74.00 36.00 1173.00
1963 9.00 109.00 26.50 50.00 132.50 141.00 222.50 219.00 309.00 226.00 84.50 41.50 1570.50
1964 15.50 22.00 5.00 5.50 42.50 170.50 205.00 251.62 a 182.50 185.50 78.50 53.50 1217.62
1965 26.00 3.50 34.00 68.28 a 45.00 113.50 183.50 308.50 200.69 a 296.57 a 153.00 38.50 1471.03
1966 20.00 15.12 c 27.68 c 51.43 b 78.53 a 198.50 231.00 208.39 d 303.50 232.00 92.14 b 48.05 a 1506.34
1967 25.50 29.00 21.18 a 2.07 a 109.50 121.00 f 208.50 163.50 h 351.00 278.50 172.24 a 34.00 1231.49
1968 41.91 d 85.50 55.50 42.50 127.00 f 194.00 241.00 309.50 f 290.17 a 173.00 61.61 b 17.57 a 1202.75
1969 12.00 9.50 56.50 52.50 115.50 213.00 234.50 222.50 250.50 215.00 132.50 91.50 1605.50
1970 84.73 a 52.50 g 62.00 26.00 146.00 93.75 b 154.45 c 208.50 258.89 c 184.00 129.50 32.50 1380.32
1971 17.64 b 36.30 a 23.50 5.00 99.50 178.50 223.50 340.45 c 324.23 d 88.50 g 24.00 l 0.00 f 1248.61
1972 4.00 31.50 95.00 50.00 95.00 178.97 a 288.00 307.00 230.00 202.00 84.00 48.50 1613.97
1973 23.25 a 80.50 18.00 39.00 f 111.00 0.00 z 0.00 z 0.00 z 168.00 l 0.00 z 0.00 z 0.00 z 232.75
1974 0.00 z 0.00 z 0.00 z 40.50 99.50 144.00 240.50 223.00 241.00 124.00 46.50 14.50 1173.50
1975 3.00 14.50 33.00 17.00 80.00 146.38 a 211.12 b 204.50 193.50 116.25 a 34.00 8.50 1061.75
1976 1.50 11.00 2.50 19.50 96.50 145.00 264.00 272.00 251.50 174.50 129.00 0.50 1367.50
1977 8.00 32.50 26.50 38.50 101.00 187.00 204.00 307.00 239.50 142.00 70.50 68.41 b 1424.91
1978 66.00 60.50 181.00 67.50 132.00 221.50 229.92 a 265.00 290.50 176.50 38.50 2.07 a 1730.98
1979 30.50 26.00 53.00 94.50 138.00 151.55 a 267.00 286.00 391.50 255.23 a 79.00 60.50 1832.79
1980 47.02 a 93.73 a 31.00 85.50 106.00 182.50 244.50 215.00 235.00 155.00 82.50 47.00 1524.75
1981 87.50 0.00 z 52.00 0.00 z 0.00 z 232.00 0.00 z 268.00 250.50 136.40 a 138.00 54.50 1218.90
1982 1.00 53.50 37.50 62.00 101.50 178.00 247.50 293.00 255.50 192.00 60.50 28.50 1510.50
1983 33.00 82.50 88.50 57.50 160.50 233.00 302.50 346.00 321.50 260.00 88.00 73.50 2046.50
1984 35.50 15.50 90.50 59.00 153.50 160.50 253.00 285.00 295.50 140.00 59.00 22.50 1569.50
1985 5.00 18.00 19.00 79.00 127.00 240.50 277.00 256.00 252.50 169.50 36.50 25.00 1505.00
1986 74.50 88.50 105.00 64.00 118.50 264.00 229.00 261.50 194.00 172.50 71.50 27.00 1670.00
1987 16.00 52.00 53.50 122.50 191.50 200.50 288.00 277.00 232.50 242.50 95.50 66.00 1837.50
1988 34.50 58.00 39.50 84.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 216.50
Period of Record Statistics
MEAN 30.63 43.34 47.08 56.54 116.13 188.19 236.37 262.91 260.43 192.81 85.36 38.43 1557.81
S.D. 23.94 31.63 36.31 29.59 36.40 52.28 37.55 40.96 54.53 46.81 36.32 23.72 256.44
SKEW 0.89 0.63 1.85 -0.11 0.34 0.73 -0.20 0.14 0.43 0.43 0.72 0.45 0.34
MAX 87.50 109.00 181.00 122.50 206.50 342.50 302.50 346.00 391.50 296.57 172.24 91.50 2129.17
MIN 1.00 3.50 2.50 2.07 42.50 93.75 154.45 198.00 177.50 116.25 34.00 0.50 1061.75
NO YRS 30 28 30 29 28 27 28 27 29 29 29 29 22