BLYTHE, CALIFORNIA

Monthly Total Heating Degree Days

(040924)

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
1931 419.50 200.50 88.50 16.00 0.00 0.00 0.00 0.00 0.00 6.50 294.00 486.50 1511.50
1932 513.50 280.68 a 70.55 b 33.10 a 1.00 0.00 0.00 0.00 0.00 18.50 129.50 524.00 1570.83
1933 510.50 435.00 85.00 57.00 22.00 0.00 0.00 0.00 0.00 0.00 172.00 413.00 1694.50
1934 341.00 102.00 0.00 9.00 0.00 0.00 0.00 0.00 0.00 4.00 157.50 336.00 949.50
1935 408.50 199.50 169.50 15.50 4.50 0.00 0.00 0.00 0.00 31.50 280.00 381.00 1490.00
1936 389.50 233.50 65.00 26.50 0.00 0.00 0.00 0.00 0.00 1.50 170.50 425.00 1311.50
1937 729.00 309.00 161.20 a 18.50 0.00 0.00 0.00 0.00 0.00 1.00 144.00 243.00 1605.70
1938 310.00 264.00 153.00 19.00 0.00 0.00 0.00 0.00 0.00 9.00 336.50 347.50 1439.00
1939 402.50 404.00 135.00 7.50 0.00 0.00 0.00 0.00 0.00 11.00 107.00 301.50 1368.50
1940 287.00 210.50 62.50 10.00 0.00 0.00 0.00 0.00 0.00 14.50 246.50 267.50 1098.50
1941 314.50 113.50 69.50 54.50 0.00 0.00 0.00 0.00 0.00 12.00 149.00 334.50 1047.50
1942 305.50 214.00 125.00 16.50 0.00 0.00 0.00 0.00 0.00 7.50 83.50 293.50 1045.50
1943 328.50 137.00 36.50 25.00 0.00 0.00 0.00 a 0.00 0.00 8.00 143.00 299.00 977.00
1944 386.00 308.50 134.50 13.00 0.00 0.00 0.00 0.00 0.00 0.00 176.50 289.50 1308.00
1945 351.00 181.50 114.00 17.50 0.00 0.00 0.00 0.00 0.00 0.50 222.00 475.50 1362.00
1946 411.50 378.50 120.00 10.00 0.00 0.00 0.00 0.00 0.00 17.50 202.50 260.00 1400.00
1947 411.00 113.50 47.00 9.50 0.00 0.00 0.00 0.00 0.00 a 6.00 227.00 374.50 1188.50
1948 314.00 258.00 191.50 9.50 1.00 0.00 0.00 0.00 0.00 8.35 e 193.00 431.50 1406.85
1949 606.00 322.50 121.00 10.50 0.00 0.00 0.00 0.00 0.00 27.00 27.50 406.50 1521.00
1950 446.50 107.50 54.50 6.50 2.00 0.00 0.00 0.00 0.00 0.00 84.00 195.50 896.50
1951 348.00 229.00 121.00 18.00 4.00 0.00 0.00 0.00 0.00 8.50 139.50 374.50 1242.50
1952 425.00 225.00 200.00 6.50 0.00 0.00 0.00 0.00 0.00 0.00 217.50 372.00 1446.00
1953 172.50 213.50 78.00 22.00 2.00 0.00 0.00 0.00 0.00 9.00 98.00 366.00 961.00
1954 348.50 53.00 126.00 0.00 0.00 0.00 0.00 0.00 0.00 11.50 29.50 367.00 935.50
1955 434.00 316.50 98.00 19.29 b 3.00 0.00 0.00 0.00 b 0.00 0.00 147.50 319.50 1337.79
1956 289.50 370.00 76.50 31.00 0.00 0.00 0.00 b 0.00 0.00 30.00 174.23 d 308.97 a 1280.20
1957 350.82 a 95.41 a 41.50 19.50 0.00 b 0.00 a 0.00 0.00 0.00 4.00 199.50 284.00 994.72
1958 292.00 112.00 154.00 38.00 0.00 0.00 0.00 0.00 0.00 1.50 128.50 209.50 935.50
1959 260.00 280.50 35.00 0.00 5.00 0.00 0.00 0.00 0.00 16.02 a 102.50 344.00 1043.02
1960 474.50 312.00 47.00 12.50 0.00 0.00 0.00 0.00 0.00 6.50 207.50 454.00 1514.00
1961 331.50 179.50 92.00 9.00 0.00 0.00 0.00 0.00 0.00 40.00 231.00 429.50 1312.50
1962 371.50 221.50 227.50 0.00 1.50 0.00 0.00 0.00 0.00 0.00 99.00 344.00 1265.00
1963 459.00 77.00 139.50 46.50 0.00 0.00 0.00 0.00 0.00 1.00 163.00 449.00 1335.00
1964 505.62 b 324.50 177.50 55.00 21.50 0.00 0.00 0.00 0.00 0.00 256.50 368.00 1708.62
1965 329.00 234.50 171.50 84.50 2.00 0.00 0.00 0.00 0.00 0.00 107.50 383.50 1312.50
1966 481.50 333.00 101.00 7.50 0.00 0.00 a 0.00 0.00 b 0.00 7.00 129.50 365.80 a 1425.30
1967 383.50 177.00 76.50 83.50 6.00 0.00 0.00 0.00 0.00 0.00 60.50 448.50 1235.50
1968 375.50 93.50 55.50 19.00 0.00 z 0.00 0.00 0.00 0.00 0.00 106.00 514.00 1163.50
1969 230.00 256.00 166.00 4.00 0.50 0.00 0.00 0.00 0.00 8.50 111.50 328.50 1105.00
1970 403.00 145.00 128.00 52.00 0.00 0.00 0.00 0.00 0.00 29.00 140.50 434.50 1332.00
1971 415.00 205.50 128.00 25.00 3.00 0.00 0.00 0.00 0.00 83.50 190.50 445.50 1496.00
1972 473.50 194.00 19.50 11.50 0.00 0.00 0.00 0.00 0.00 10.16 b 239.50 452.50 1400.66
1973 458.50 0.00 z 184.50 26.50 0.00 0.00 c 0.00 0.00 0.00 a 1.07 b 198.50 358.10 b 1227.17
1974 0.00 z 254.59 a 85.00 4.50 2.14 b 0.00 a 0.00 0.00 0.00 15.00 151.00 502.00 1014.23
1975 421.82 c 298.00 189.50 129.83 a 5.50 0.00 0.00 0.00 0.00 24.50 195.00 355.00 1619.15
1976 360.50 207.50 179.50 54.00 0.00 0.00 0.00 0.00 0.00 0.00 z 145.86 a 0.00 z 947.36
1977 381.50 204.08 b 198.00 27.50 12.00 0.00 b 0.00 0.00 0.00 1.50 101.50 274.50 1200.58
1978 354.50 196.50 0.00 z 21.50 0.00 z 0.00 a 0.00 0.00 0.00 0.00 196.00 487.50 1256.00
1979 501.00 273.50 124.50 21.00 2.07 a 0.00 0.00 0.00 0.00 a 3.88 c 209.50 319.00 1454.44
1980 240.00 146.50 124.50 27.50 0.00 z 4.50 0.00 z 0.00 0.00 26.87 a 170.36 b 236.00 976.22
1981 221.00 197.50 108.50 9.50 0.00 0.00 z 0.00 z 0.00 0.00 0.00 z 115.50 301.50 953.50
1982 375.00 156.50 110.50 20.50 0.00 0.00 0.00 z 0.00 0.00 7.50 216.50 436.00 1322.50
1983 331.50 182.50 0.00 z 59.00 1.00 0.00 0.00 0.00 0.00 0.00 160.50 299.50 1034.00
1984 309.00 239.00 51.00 23.50 0.00 0.00 0.00 0.00 0.00 21.50 197.00 401.00 1242.00
1985 389.50 283.00 121.00 2.50 0.00 0.00 0.00 0.00 0.00 0.50 211.00 373.50 1381.00
1986 245.50 168.50 51.00 1.50 0.00 0.00 0.00 0.00 0.00 1.00 110.00 380.00 957.50
1987 433.50 191.50 123.50 6.00 0.00 0.00 0.00 0.00 0.00 1.00 153.50 460.87 a 1369.87
1988 399.50 181.00 72.50 14.50 0.50 0.00 0.00 0.00 0.00 0.00 163.50 402.48 a 1233.98
1989 444.33 a 251.00 44.00 2.00 1.00 0.00 0.00 0.00 0.00 27.50 94.50 351.50 1215.83
1990 429.00 282.00 84.50 2.00 0.00 0.00 0.00 0.00 0.00 0.00 132.00 523.00 1452.50
1991 404.50 146.00 249.00 19.00 3.50 0.00 0.00 0.00 0.00 30.00 171.50 337.50 1361.00
1992 372.00 86.00 61.50 1.50 0.00 0.00 0.00 0.00 0.00 0.00 230.00 487.50 1238.50
1993 320.00 138.00 29.00 0.50 0.00 0.00 0.00 0.00 0.00 2.50 220.50 436.50 1147.00
1994 356.50 293.50 26.50 6.00 0.00 0.00 0.00 0.00 0.00 3.50 276.00 388.50 1350.50
1995 329.50 73.00 75.00 20.00 4.00 0.00 0.00 0.00 0.00 3.50 30.50 306.00 841.50
1996 281.50 98.50 42.00 0.00 0.00 0.00 0.00 0.00 0.00 67.00 80.00 259.50 828.50
1997 185.50 k 210.50 49.00 35.00 0.00 0.00 0.00 0.00 0.00 0.00 z 135.00 450.00 879.50
1998 308.00 271.50 0.00 z 61.50 0.00 0.00 z 0.00 0.00 0.00 6.00 157.50 387.00 1191.50
1999 298.00 195.50 74.92 a 92.59 a 3.62 a 0.00 d 0.00 g 0.00 l 0.00 l 0.00 h 0.00 z 401.85 d 1066.47
2000 127.00 r 167.62 d 37.50 f 0.00 0.00 0.00 e 0.00 e 0.00 b 0.00 a 6.20 a 161.00 k 159.00 r 173.82
2001 414.07 c 270.15 a 74.40 a 40.18 b 0.00 0.00 a 0.00 0.00 c 0.00 a 0.00 b 86.00 f 282.00 l 798.80
2002 369.50 160.50 134.50 1.00 0.00 0.00 0.00 0.00 0.00 0.00 89.00 403.50 1158.00
2003 193.50 237.50 66.00 32.00 1.00 0.00 0.00 0.00 0.00 0.00 d 169.50 g 265.00 g 530.00
2004 361.00 223.00 f 0.00 z 5.50 0.00 0.00 0.00 0.00 e 0.00 e 0.00 z 160.80 e 213.50 k 527.30
2005 288.50 185.00 37.50 0.00 0.00 j 0.00 0.00 z 0.00 0.00 0.00 e 65.50 l 385.78 d 896.78
2006 267.50 f 165.08 d 106.78 d 6.11 c 0.00 d 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 277.97
Period of Record Statistics
MEAN 374.04 213.95 103.40 22.67 1.60 0.06 0.00 0.00 0.00 10.01 161.39 373.61 1273.49
S.D. 90.80 81.98 54.39 24.34 3.97 0.53 0.00 0.00 0.00 15.07 62.77 77.03 218.05
SKEW 0.77 0.31 0.47 1.98 3.97 8.37 0.00 0.00 0.00 2.71 0.19 -0.09 -0.23
MAX 729.00 435.00 249.00 129.83 22.00 4.50 0.00 0.00 0.00 83.50 336.50 524.00 1708.62
MIN 172.50 53.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 27.50 195.50 828.50
NO YRS 72 74 71 76 72 73 70 74 74 70 70 70 58