SONORA, CALIFORNIA

Monthly Total Heating Degree Days

(048353)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1903 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
1904 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
1905 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
1906 0.00 z 0.00 z 406.00 226.50 92.00 n 12.50 v 0.00 z 0.00 z 0.00 z 0.00 z 267.50 r 611.73 a 1244.23
1907 695.43 a 349.00 543.50 225.00 117.00 64.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1993.93
1908 0.00 z 0.00 z 0.00 z 209.00 231.50 39.11 b 0.00 0.00 33.50 266.50 387.50 699.00 1866.11
1909 518.73 a 546.00 547.00 223.00 145.50 13.50 1.50 0.00 18.50 199.00 440.50 698.50 3351.73
1910 720.00 554.50 335.50 188.50 67.50 16.00 4.00 0.00 g 6.50 n 153.50 428.00 560.00 3027.50
1911 585.00 625.50 386.50 304.00 248.50 8.00 0.00 0.00 58.50 215.00 473.00 737.00 3641.00
1912 592.00 490.00 542.50 450.50 147.50 29.00 1.00 3.00 36.00 277.50 419.50 670.00 3658.50
1913 723.50 423.50 f 506.50 307.50 121.00 21.00 0.00 0.00 14.00 156.50 408.00 640.00 2898.00
1914 597.00 504.00 b 276.50 257.00 97.00 58.50 0.00 0.00 11.50 s 143.50 f 419.00 711.00 2920.00
1915 674.50 558.50 406.00 262.50 335.00 15.50 0.00 z 0.00 z 0.00 z 0.00 z 433.00 591.00 3276.00
1916 774.50 387.50 371.00 258.50 224.50 38.50 2.00 6.50 12.50 135.00 t 557.50 491.50 i 2633.00
1917 789.95 c 525.91 e 505.50 326.00 230.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 315.00 k 2377.86
1918 669.00 542.00 403.00 203.50 0.00 z 0.00 0.00 b 1.00 13.00 108.50 407.00 587.50 2934.50
1919 598.50 547.22 e 504.50 232.50 38.50 10.00 0.00 0.00 z 0.00 z 203.05 a 468.00 536.00 3138.27
1920 556.00 477.50 475.73 e 0.00 z 0.00 z 0.00 z 3.00 h 36.00 189.50 431.00 411.50 537.00 3114.23
1921 654.10 a 442.50 334.00 258.00 136.50 j 19.00 0.00 0.00 5.69 a 94.50 k 324.00 501.50 2538.79
1922 712.50 557.50 503.00 328.50 99.50 5.50 0.00 0.00 1.00 140.50 449.00 466.00 3263.00
1923 575.50 429.00 342.50 252.50 88.00 56.00 0.00 0.00 26.00 140.53 a 214.50 508.50 2633.03
1924 575.00 323.50 450.00 227.50 4.00 0.00 0.00 0.00 4.00 193.00 361.50 616.50 2755.00
1925 575.00 377.50 371.50 249.00 87.00 43.50 0.00 0.00 28.00 156.00 408.50 520.50 2816.50
1926 641.00 440.50 247.50 146.50 66.00 0.00 0.00 0.00 13.50 72.50 252.00 645.50 2525.00
1927 592.50 445.50 434.00 270.00 115.50 4.00 0.00 0.00 15.50 70.00 356.00 635.00 2938.00
1928 611.50 486.00 335.00 272.50 36.50 3.00 0.00 0.00 5.50 95.00 421.50 636.50 2903.00
1929 686.50 552.00 453.50 359.00 51.50 55.00 0.00 0.00 11.00 74.00 329.00 421.50 2993.00
1930 692.50 391.50 383.00 190.00 187.50 6.00 0.00 0.00 38.50 183.50 372.50 632.50 3077.50
1931 382.50 j 416.50 314.00 107.00 8.00 0.00 0.00 0.00 22.50 159.50 493.45 a 658.50 2179.45
1932 725.50 550.50 338.50 273.50 84.00 5.00 0.00 0.00 0.00 147.00 261.50 765.50 3151.00
1933 822.50 590.00 397.00 224.50 266.00 12.50 0.00 0.00 1.50 50.00 370.00 607.00 3341.00
1934 633.50 404.50 172.00 69.50 30.50 31.50 0.00 0.00 34.50 123.50 371.50 593.00 2464.00
1935 602.00 513.50 264.50 m 243.00 66.13 a 0.00 0.00 0.00 0.00 188.50 419.50 0.00 z 2032.63
1936 555.00 524.50 314.50 174.00 45.00 18.00 0.00 0.00 2.50 85.50 369.50 630.00 2718.50
1937 894.00 530.00 420.50 245.00 24.50 4.00 0.00 0.00 2.00 72.00 358.50 547.00 3097.50
1938 572.50 489.00 553.50 291.50 116.00 4.50 0.00 0.00 0.50 145.00 426.00 494.00 3092.50
1939 574.00 589.00 409.00 125.50 98.50 48.50 0.00 0.00 23.00 141.50 263.50 462.50 2735.00
1940 532.00 439.50 341.50 225.50 45.50 0.50 0.00 0.00 13.50 121.50 431.00 449.00 2599.50
1941 533.00 392.50 372.50 354.50 81.50 39.50 0.00 0.00 23.50 179.00 312.50 583.00 2871.50
1942 560.50 543.00 432.00 311.00 227.00 17.50 0.00 0.00 1.00 98.50 358.00 559.50 3108.00
1943 587.50 371.00 402.00 206.00 81.50 67.50 0.00 0.00 1.00 165.00 344.50 584.50 2810.50
1944 629.50 597.50 455.00 399.00 124.00 106.00 0.00 0.00 15.00 49.50 511.00 556.00 3442.50
1945 666.50 503.00 635.50 282.50 186.50 60.00 0.00 0.00 19.00 100.50 482.50 613.00 3549.00
1946 637.00 585.50 487.00 265.00 99.50 27.00 0.00 0.00 3.50 239.00 502.50 619.50 3465.50
1947 701.00 423.50 383.50 237.41 a 42.00 36.00 0.00 10.00 25.00 162.50 504.31 a 633.00 3158.22
1948 521.50 632.50 623.50 424.00 267.50 43.00 2.98 e 0.00 f 48.50 f 127.58 e 368.50 f 784.54 e 3427.10
1949 762.50 f 658.61 e 540.20 d 182.31 d 108.50 f 17.88 d 0.00 f 0.00 d 12.00 e 190.77 e 164.50 f 648.62 e 2250.39
1950 647.00 f 477.22 e 484.52 d 205.80 e 174.67 e 58.85 d 32.50 f 1.72 d 45.00 e 126.38 e 238.00 f 417.00 f 1574.16
1951 693.33 e 519.83 e 489.44 e 244.20 e 158.58 e 25.38 d 0.00 g 2.87 d 4.00 f 190.02 d 310.50 f 576.00 f 2323.65
1952 751.15 e 550.40 e 652.79 e 298.20 e 122.81 e 91.80 e 0.00 e 0.00 f 38.00 h 42.33 e 322.50 i 654.58 e 3164.05
1953 453.50 g 358.50 h 304.00 k 272.00 g 248.50 f 116.54 d 0.00 e 9.54 e 4.50 g 169.90 e 303.00 f 477.50 f 295.98
1954 373.00 n 246.00 k 398.00 j 142.50 k 32.00 k 44.00 j 0.00 j 5.00 j 17.50 i 75.00 l 225.00 m 463.50 i 0.00
1955 494.00 l 373.50 i 361.00 h 288.50 l 94.00 m 50.50 h 3.00 l 0.00 h 11.00 j 74.00 j 285.00 k 421.00 i 0.00
1956 622.50 648.36 a 444.50 353.00 145.70 a 37.00 0.00 0.00 8.50 204.50 349.00 567.30 a 3380.36
1957 0.00 z 459.00 464.00 271.00 180.00 17.50 0.00 4.50 8.79 a 175.00 445.00 568.00 2592.79
1958 603.00 271.50 i 559.00 323.00 61.00 35.50 0.00 0.00 a 15.00 f 49.00 333.50 379.00 2343.00
1959 554.00 531.00 322.50 131.00 156.00 3.00 0.00 e 10.16 b 44.50 45.93 d 277.50 513.50 2589.08
1960 673.50 552.00 357.50 289.50 168.00 0.00 0.00 1.00 0.00 128.50 456.00 636.50 3262.50
1961 546.50 448.50 481.50 252.00 213.50 23.00 0.50 0.00 d 26.50 163.50 423.50 669.00 3248.00
1962 646.00 514.50 564.50 174.50 183.42 a 27.50 0.00 0.00 2.00 117.00 311.50 469.00 3009.92
1963 667.02 a 307.00 523.50 466.03 a 132.00 49.00 0.00 1.00 5.00 102.00 489.50 676.00 3418.05
1964 732.50 608.50 567.00 389.50 222.68 a 97.22 c 0.00 z 0.00 44.50 76.50 546.50 578.00 3862.91
1965 654.00 521.50 499.00 399.00 221.00 82.50 0.50 0.00 63.50 83.00 423.50 706.00 3653.50
1966 692.50 601.50 408.50 157.50 75.50 42.00 4.00 8.50 32.50 147.50 379.00 674.50 3223.50
1967 635.50 564.00 522.00 611.50 195.50 108.50 0.00 0.00 2.50 117.00 295.00 764.00 3815.50
1968 696.00 408.50 429.00 312.00 160.00 26.00 0.00 31.00 0.00 z 187.50 500.50 787.50 3538.00
1969 696.98 a 664.00 564.50 390.50 92.00 28.00 0.00 0.00 7.00 310.53 b 411.50 629.50 3794.52
1970 613.59 b 459.50 475.00 471.50 118.50 49.50 0.00 0.00 37.00 216.00 424.50 735.50 3600.59
1971 687.50 592.00 539.50 428.50 267.50 65.17 a 0.00 0.00 c 54.23 d 354.00 531.43 b 810.02 d 4329.85
1972 797.73 a 509.00 335.00 355.50 125.55 a 19.00 2.21 c 4.50 48.10 a 231.00 599.50 836.00 3863.10
1973 0.00 z 524.00 633.50 314.00 97.00 37.50 b 0.00 a 3.50 37.00 206.50 546.50 643.00 3042.50
1974 680.50 603.00 511.00 432.00 163.78 a 14.48 a 14.00 0.00 0.00 150.00 487.00 736.52 b 3792.28
1975 687.00 591.50 608.00 576.50 169.50 32.50 6.00 8.50 0.00 e 287.50 532.00 657.50 4156.50
1976 682.50 540.50 556.00 423.00 67.00 54.50 0.00 42.00 24.00 138.00 377.00 640.50 3545.00
1977 724.00 476.50 606.00 183.50 338.50 29.00 1.50 0.00 59.00 0.00 z 476.67 c 287.00 p 2894.67
1978 378.50 l 263.00 n 252.50 h 428.89 c 0.00 z 15.00 7.50 13.00 47.00 h 97.00 422.50 f 806.00 c 1367.39
1979 546.50 g 315.00 m 302.50 j 263.00 j 116.54 d 22.24 a 1.55 a 4.50 7.50 b 0.00 z 281.00 l 307.00 m 152.33
1980 427.50 h 340.00 g 366.50 l 238.00 k 242.26 d 86.00 0.00 0.00 0.00 z 200.50 399.50 307.50 m 928.26
1981 300.00 m 276.50 l 325.00 k 149.00 k 96.50 h 16.50 0.00 0.00 16.50 301.00 221.00 m 216.50 s 334.00
1982 440.00 m 355.00 i 574.53 a 267.00 j 114.50 72.00 3.00 0.00 88.00 156.50 n 346.50 l 256.00 s 852.03
1983 361.50 n 338.50 i 529.50 304.50 k 154.50 k 18.00 11.50 0.00 14.00 142.00 384.50 i 369.50 m 715.00
1984 389.00 l 387.50 j 304.50 j 300.50 i 113.50 40.00 0.00 2.50 26.00 336.00 349.00 l 377.00 o 518.00
1985 803.93 a 349.00 j 443.00 j 158.00 j 199.50 37.22 c 3.50 1.50 120.50 268.00 427.00 i 299.00 r 1434.16
1986 301.00 m 281.00 m 283.00 i 365.69 a 129.00 i 15.50 1.50 0.00 195.00 227.50 486.50 389.50 l 1291.69
1987 447.00 m 588.50 377.00 j 90.50 m 145.00 18.50 35.65 a 6.00 10.50 h 137.50 303.50 i 139.50 v 931.15
1988 397.50 l 294.00 k 440.20 a 174.50 l 182.00 46.00 0.00 c 0.00 z 21.50 65.00 448.33 c 375.00 n 1203.03
1989 0.00 z 377.50 k 321.00 h 167.50 164.00 1.50 0.00 1.50 46.00 180.00 296.50 h 323.00 o 560.50
1990 464.00 i 232.50 r 429.50 98.00 m 158.74 b 24.00 0.00 5.50 0.00 84.50 440.50 358.00 p 1142.74
1991 330.50 o 201.50 k 0.00 z 0.00 z 280.00 29.00 0.00 0.00 z 1.00 0.00 z 173.50 n 296.50 p 310.00
1992 268.00 s 423.00 380.00 193.00 18.00 42.00 4.50 0.00 4.00 92.50 443.00 726.00 2326.00
1993 700.50 558.00 346.50 330.50 106.00 77.00 0.00 0.50 12.00 127.00 412.00 660.00 3330.00
1994 594.50 585.50 380.50 296.00 160.00 0.00 z 0.00 0.00 19.50 205.00 654.00 690.50 3585.50
1995 571.50 390.50 496.00 384.50 212.00 99.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 554.00 2708.00
1996 601.50 0.00 z 420.50 255.50 118.50 19.50 0.00 z 0.00 z 0.00 z 228.50 454.00 581.50 2679.50
1997 621.00 0.00 z 349.50 262.50 40.50 15.00 6.00 0.00 5.00 238.00 410.50 0.00 z 1948.00
1998 619.00 598.00 465.50 0.00 z 318.50 0.00 z 0.00 z 0.00 z 2.00 y 164.00 j 336.50 j 746.00 2747.00
1999 0.00 z 581.00 555.00 440.69 a 222.00 74.00 7.50 6.50 12.00 115.50 395.00 652.50 3061.69
2000 613.50 506.00 489.00 0.00 z 185.00 35.00 9.00 2.00 49.00 235.00 622.00 582.50 3328.00
2001 709.00 605.00 435.00 448.00 44.00 16.50 1.50 0.00 6.50 125.50 373.50 673.00 3437.50
2002 750.00 501.50 529.00 306.00 191.50 9.00 0.00 0.00 37.50 221.00 417.00 621.00 3583.50
2003 515.50 573.50 469.13 a 487.50 213.90 a 15.50 0.00 0.00 6.50 54.50 553.97 a 623.00 3513.00
2004 700.00 593.50 314.50 283.45 a 143.00 22.00 0.00 0.00 61.00 250.00 572.50 680.50 3620.45
2005 693.50 502.00 460.00 427.00 190.00 79.50 0.00 0.00 63.00 201.00 401.00 593.50 3610.50
2006 654.50 527.00 677.00 390.00 119.00 16.50 0.00 0.00 h 33.00 247.00 456.00 654.50 3774.50
2007 764.50 549.50 394.73 a 0.00 z 123.00 31.00 0.00 2.00 107.40 e 269.50 385.00 748.50 3375.13
2008 733.50 590.00 503.50 406.00 187.00 0.00 z 0.00 0.00 19.00 172.50 363.00 733.00 3707.50
2009 653.00 551.00 543.50 401.00 78.00 59.00 0.00 5.50 16.50 269.50 463.00 714.00 3754.00
2010 624.00 531.00 543.50 493.80 e 337.00 42.50 0.00 16.50 39.50 181.50 527.00 594.00 3930.30
2011 698.53 a 638.50 573.50 409.00 327.00 95.17 a 3.00 0.00 a 7.24 a 166.37 a 509.00 724.50 4151.81
2012 637.50 579.50 563.50 364.14 a 134.00 64.00 2.58 a 0.00 1.03 a 205.50 417.50 671.50 3640.76
2013 730.50 614.50 400.93 a 24.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 27.00 z 1745.93
Period of Record Statistics
MEAN 654.03 518.21 457.17 301.82 145.54 35.04 1.47 2.78 26.85 166.80 425.48 630.27 3309.69
S.D. 76.66 80.22 97.91 105.96 79.29 28.47 4.38 7.07 34.94 75.51 83.93 92.48 446.06
SKEW 0.41 -0.54 -0.13 0.42 0.48 0.95 5.65 3.91 2.90 0.67 0.12 -0.21 0.04
MAX 894.00 664.00 677.00 611.50 338.50 116.54 35.65 42.00 195.00 431.00 654.00 836.00 4329.85
MIN 515.50 307.00 172.00 69.50 4.00 0.00 0.00 0.00 0.00 42.33 214.50 379.00 2464.00
NO YRS 83 86 93 89 95 99 94 91 86 92 84 83 53