VISALIA, CALIFORNIA

Monthly Total Heating Degree Days

(049367)

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
1927 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 560.00 560.00
1928 600.76 b 357.13 b 181.50 128.57 b 6.89 d 0.00 b 0.00 b 0.00 2.50 n 85.00 330.00 b 665.43 b 2355.28
1929 654.88 c 453.19 a 287.02 b 209.48 a 11.37 a 17.07 a 0.00 0.00 3.50 42.76 b 273.00 472.75 a 2425.00
1930 0.00 z 253.00 229.83 b 64.29 b 87.00 0.00 a 0.00 c 0.00 c 12.69 d 41.52 c 214.50 i 427.00 i 688.32
1931 498.87 d 301.28 c 180.63 e 23.33 c 1.50 g 0.00 d 0.00 e 0.00 e 0.60 e 53.39 d 367.50 d 585.90 a 2011.51
1932 630.91 d 418.95 a 211.46 c 151.73 d 3.00 j 0.00 d 0.00 o 0.00 e 0.00 h 72.13 e 153.50 g 657.56 e 2142.74
1933 710.70 d 463.12 c 266.82 c 133.85 d 132.35 e 11.54 d 0.00 f 0.00 f 0.00 e 14.31 e 178.50 f 559.79 e 2292.47
1934 576.37 d 267.17 d 37.31 d 22.80 e 6.89 d 1.00 h 0.00 g 0.00 d 6.00 f 59.13 d 242.78 c 418.50 f 1212.45
1935 515.67 e 410.48 c 458.44 e 147.78 c 31.57 d 0.00 e 0.00 e 0.00 d 0.00 f 126.30 d 311.50 f 399.50 f 1690.24
1936 454.09 d 393.24 d 191.37 e 80.77 d 7.00 f 5.00 c 0.00 n 0.00 f 1.20 e 36.74 d 186.00 g 571.12 e 1733.52
1937 595.50 f 400.17 d 254.89 d 154.44 c 14.00 g 0.00 d 0.00 c 0.00 e 0.00 d 12.52 e 213.00 e 414.33 e 1449.35
1938 556.85 d 331.69 b 382.33 d 148.39 b 42.50 0.00 0.00 0.00 0.00 45.50 318.00 505.09 b 2330.36
1939 539.18 c 470.50 260.00 44.50 13.50 3.10 a 0.00 0.00 0.50 62.00 197.07 a 405.00 1995.35
1940 448.50 309.50 177.00 87.50 5.68 a 0.00 a 0.00 0.00 1.00 71.00 339.00 397.50 1836.68
1941 424.00 288.50 205.50 180.00 9.50 1.50 0.00 0.00 b 7.50 115.50 251.00 458.50 1941.50
1942 503.50 412.00 287.00 144.50 58.38 a 0.00 0.00 0.00 0.00 63.00 320.50 573.50 2362.38
1943 552.00 326.50 229.50 91.50 21.00 3.00 0.00 0.00 0.00 b 90.93 a 264.50 505.00 2083.93
1944 538.48 d 452.00 281.00 198.50 25.50 8.00 0.00 0.00 1.00 22.00 373.00 510.50 2409.98
1945 657.00 348.50 414.50 165.50 30.00 0.00 0.00 f 0.00 d 1.50 27.50 321.50 512.00 2478.00
1946 599.00 413.00 293.50 96.00 25.32 a 0.00 0.00 f 0.00 0.00 e 132.00 436.50 604.50 2599.82
1947 726.00 362.50 182.50 82.50 0.50 0.00 0.00 0.00 4.00 63.00 419.50 601.50 2442.00
1948 409.50 457.00 358.00 158.00 63.00 0.00 0.00 0.00 21.00 75.00 357.00 643.50 2542.00
1949 764.50 492.00 323.00 64.00 28.00 0.00 0.00 0.00 2.00 101.00 166.03 a 559.03 a 2499.57
1950 643.00 296.50 276.00 73.50 46.00 4.50 0.00 0.00 5.00 27.50 167.50 377.50 1917.00
1951 571.00 365.00 280.00 103.00 53.00 0.00 0.00 0.00 0.00 50.50 237.50 532.00 2192.00
1952 575.50 367.00 407.50 97.00 7.00 2.50 0.00 0.00 9.00 4.00 339.00 521.50 2330.00
1953 425.50 387.00 294.00 146.50 100.50 16.00 0.00 0.00 0.00 110.00 301.00 597.50 2378.00
1954 551.00 441.00 369.50 80.00 19.00 13.50 0.00 0.00 0.00 f 62.50 316.00 606.05 a 2458.55
1955 669.50 426.50 257.50 156.50 i 55.00 6.00 0.00 0.00 0.00 26.00 358.00 448.50 2247.00
1956 491.00 510.00 284.00 154.50 32.50 0.00 0.00 0.00 0.00 117.44 e 296.00 564.50 2449.94
1957 670.24 b 295.00 263.00 127.00 52.00 0.00 0.00 0.50 0.00 72.00 263.00 f 558.00 2037.74
1958 534.50 269.00 367.00 148.00 14.50 0.00 0.00 0.00 2.50 11.00 265.50 413.50 2025.50
1959 444.50 392.50 162.50 29.00 54.50 0.00 0.00 0.00 4.00 45.50 252.00 502.20 a 1886.70
1960 533.50 421.00 211.50 131.00 45.00 0.00 0.00 0.00 0.00 67.50 357.00 605.50 2372.00
1961 650.50 297.00 282.00 96.00 28.50 1.00 0.00 0.00 0.50 107.00 348.00 627.50 2438.00
1962 721.00 426.74 a 362.50 46.50 66.50 4.50 0.00 a 0.00 0.00 66.00 251.50 495.00 2440.24
1963 645.50 202.00 301.00 232.50 13.50 0.00 0.00 0.00 1.50 51.00 329.50 760.50 2537.00
1964 622.50 417.91 a 341.50 167.00 98.00 12.50 0.00 0.00 4.00 39.50 445.50 516.50 2664.91
1965 623.50 444.50 293.50 217.50 65.00 6.50 0.00 0.00 13.50 43.50 304.50 747.00 2759.00
1966 643.50 487.50 257.00 51.50 6.50 2.00 0.00 0.00 3.00 70.50 237.00 617.50 2376.00
1967 602.00 461.50 305.50 395.50 63.50 19.50 0.00 0.00 1.00 26.00 200.50 704.50 2779.50
1968 645.00 303.50 242.50 128.50 43.92 a 3.00 0.00 0.00 9.00 60.50 362.00 0.00 z 1797.92
1969 605.50 480.00 212.00 i 153.50 31.50 1.50 0.00 0.00 0.00 162.50 310.50 568.50 2313.50
1970 491.00 367.50 294.00 255.00 38.50 1.00 0.00 0.00 0.00 107.00 278.00 570.50 2402.50
1971 632.50 505.50 333.50 197.00 85.50 10.50 0.00 0.00 14.50 198.00 384.50 654.00 3015.50
1972 778.00 374.93 a 147.50 142.00 39.00 1.50 0.00 0.00 3.50 93.00 418.00 720.50 2717.93
1973 586.50 327.50 419.00 131.50 12.00 1.50 0.00 0.00 0.50 87.00 351.00 576.50 2493.00
1974 525.50 449.50 285.00 168.00 35.00 0.00 0.00 0.00 0.00 43.92 a 348.50 648.50 2503.92
1975 684.50 394.00 368.50 299.50 41.50 2.50 0.00 0.00 0.00 121.50 408.50 620.00 2940.50
1976 578.00 367.50 348.50 224.50 4.00 4.00 0.00 0.00 4.50 41.00 291.50 562.50 2426.00
1977 706.50 347.00 380.61 d 66.50 130.00 1.00 0.00 0.00 4.00 43.00 331.50 437.50 2447.61
1978 447.00 398.50 170.00 182.50 36.50 0.00 0.00 0.00 11.00 33.50 382.00 713.00 2374.00
1979 581.50 430.00 279.00 0.00 z 0.00 z 3.00 0.00 0.00 0.00 52.00 325.00 466.50 2137.00
1980 467.50 312.00 341.50 138.50 56.50 3.00 0.00 0.00 2.00 77.50 306.00 566.00 2270.50
1981 490.50 348.00 277.00 125.00 27.00 0.00 0.00 0.00 0.50 97.50 256.00 509.00 2130.50
1982 665.00 348.50 351.00 182.50 20.50 3.00 0.50 0.00 9.00 60.50 0.00 z 588.50 2229.00
1983 643.50 328.50 262.00 199.50 53.00 0.00 0.00 a 0.00 1.00 3.50 304.50 481.50 2277.00
1984 547.00 381.50 187.00 178.00 20.00 5.50 0.00 0.00 0.00 141.50 347.50 597.50 2405.50
1985 704.50 387.00 345.00 53.00 15.50 4.50 0.00 0.00 6.00 82.00 423.00 716.00 2736.50
1986 386.50 296.50 174.00 123.50 45.00 0.00 0.00 0.00 49.00 51.50 296.00 633.50 2055.50
1987 663.00 393.00 308.50 62.00 28.50 0.00 0.00 0.00 0.00 9.50 375.00 586.50 2426.00
1988 574.50 345.00 216.00 126.00 85.00 13.50 0.00 0.00 1.00 13.00 344.00 634.50 2352.50
1989 699.50 457.00 235.00 58.50 23.50 0.00 0.00 0.00 6.00 75.50 314.00 698.00 2567.00
1990 602.50 490.00 245.00 57.00 33.00 6.50 0.00 0.00 0.00 23.50 345.00 719.50 2522.00
1991 587.50 267.50 409.50 171.00 71.50 0.00 0.00 0.00 0.00 76.00 306.00 599.50 2488.50
1992 734.00 286.50 176.00 23.50 0.00 0.00 0.00 0.00 0.00 16.50 325.00 607.50 2169.00
1993 553.50 358.00 167.00 135.50 11.50 7.50 0.00 0.00 3.50 21.00 347.50 601.00 2206.00
1994 566.50 420.00 182.00 109.00 44.50 0.50 0.00 0.00 0.00 102.00 509.50 634.50 2568.50
1995 428.50 334.50 265.50 163.00 66.00 13.50 0.00 0.00 1.00 33.50 177.50 439.50 1922.50
1996 520.00 291.00 232.00 104.00 4.50 0.50 0.00 0.00 0.00 141.00 331.50 503.50 2128.00
1997 481.50 381.00 173.50 129.00 6.00 0.00 0.00 0.00 0.00 98.00 247.00 642.50 2158.50
1998 473.00 387.50 282.50 223.50 108.50 0.00 0.00 0.00 2.50 109.00 366.50 665.00 2618.00
1999 659.27 a 437.00 348.48 b 250.86 a 62.00 d 17.00 0.00 0.00 a 0.00 c 28.93 a 268.33 c 540.00 2611.88
2000 454.00 319.50 268.50 74.00 22.00 5.50 0.00 0.00 0.00 93.00 b 462.00 532.50 2231.00
2001 576.00 429.00 204.50 230.50 2.00 0.00 0.00 0.00 0.00 24.00 250.50 552.00 2268.50
2002 596.50 352.50 320.00 106.50 37.72 a 0.00 k 0.00 0.00 2.00 73.00 307.50 480.00 2275.72
2003 464.00 381.50 235.00 218.50 71.50 0.00 0.00 0.00 0.00 15.00 405.00 481.50 2272.00
2004 575.50 413.50 137.00 80.00 3.00 0.00 0.00 0.00 10.00 84.06 e 396.60 e 618.50 2318.16
2005 512.10 e 217.00 h 231.50 121.00 i 46.50 5.50 f 0.00 h 0.00 n 2.00 0.00 z 152.50 n 435.00 1227.10
2006 389.00 g 295.50 f 432.00 185.17 a 13.50 0.00 a 0.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 630.67
Period of Record Statistics
MEAN 577.18 378.97 272.87 135.92 39.12 3.26 0.01 0.01 3.33 64.98 319.98 567.45 2369.64
S.D. 91.68 67.36 80.00 68.27 30.38 4.96 0.06 0.06 6.85 39.95 70.14 88.65 253.30
SKEW 0.00 -0.16 0.00 0.79 1.03 1.71 8.25 8.49 4.54 0.73 0.01 -0.02 0.04
MAX 778.00 510.00 458.44 395.50 132.35 19.50 0.50 0.50 49.00 198.00 509.50 760.50 3015.50
MIN 386.50 202.00 37.31 22.80 0.00 0.00 0.00 0.00 0.00 3.50 166.03 377.50 1836.68
NO YRS 76 77 78 76 74 76 71 75 73 77 70 75 58