QUINCY, CALIFORNIA

Monthly Total Heating Degree Days

(047195)

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
1895 0.00 z 0.00 z 0.00 z 505.50 330.00 130.50 48.00 64.50 301.50 440.50 781.00 1021.50 3623.00
1896 844.50 718.50 662.00 713.50 458.00 74.00 13.50 62.50 182.00 425.00 762.50 825.50 5741.50
1897 959.50 837.00 883.00 449.50 159.50 182.00 70.00 56.00 207.50 471.50 717.00 970.50 5963.00
1898 1150.00 700.50 790.50 399.00 353.00 125.00 47.00 62.00 220.50 471.50 735.50 1006.00 6060.50
1899 952.50 815.23 b 772.00 507.00 474.00 96.00 46.00 177.00 196.50 590.00 655.00 957.00 6238.23
1900 780.50 676.00 578.00 559.00 237.00 49.00 27.50 135.88 a 331.50 475.50 659.50 896.50 5405.88
1901 1026.10 a 818.22 a 721.27 a 597.50 295.00 165.00 49.00 75.50 255.00 416.00 628.00 937.50 5984.09
1902 1019.00 670.50 788.50 546.00 375.00 118.50 91.50 92.50 208.50 490.00 751.00 928.00 6079.00
1903 948.00 1079.50 749.00 597.00 289.50 98.00 91.00 89.00 269.00 437.50 638.50 938.50 6224.50
1904 1075.50 805.00 746.50 530.50 205.50 100.50 50.50 34.50 153.00 472.00 690.00 943.00 5806.50
1905 810.50 701.50 618.50 453.00 417.00 171.50 39.50 0.00 z 229.00 558.50 811.50 1163.50 5974.00
1906 0.00 z 0.00 z 825.50 527.00 427.50 253.50 8.50 36.50 242.00 537.00 846.50 985.00 4689.00
1907 1118.50 709.50 903.00 515.50 388.00 267.50 93.00 139.00 237.00 307.50 756.50 807.00 6242.00
1908 917.50 870.00 842.00 461.00 569.00 255.50 13.50 121.42 a 268.00 563.50 780.00 1013.00 6674.42
1909 858.00 828.00 782.00 524.50 385.50 139.50 109.50 96.00 232.50 490.50 707.00 1097.00 6250.00
1910 1216.50 888.50 601.00 435.50 252.50 129.50 43.00 122.50 258.00 358.00 522.50 768.00 5595.50
1911 957.50 1065.50 812.50 628.50 460.00 130.50 32.50 147.25 c 361.50 579.00 801.00 996.77 e 6972.52
1912 913.39 c 732.00 752.50 664.50 377.50 206.50 150.50 121.50 375.50 657.50 777.50 990.50 6719.39
1913 1163.53 a 892.00 808.00 556.50 320.50 169.00 48.00 70.00 197.50 497.00 646.50 843.00 6211.53
1914 818.00 673.50 510.50 424.00 209.00 184.00 42.00 49.00 0.00 z 0.00 z 0.00 z 0.00 z 2910.00
1915 0.00 z 655.50 576.00 406.50 369.00 191.00 56.50 27.00 254.00 357.00 641.50 856.00 4390.00
1916 1034.50 617.00 562.00 392.00 312.50 90.00 47.00 71.50 179.00 434.50 619.50 822.50 5182.00
1917 1036.50 539.50 761.00 476.90 a 411.78 a 113.89 c 22.50 27.00 262.00 243.57 c 508.50 h 720.46 d 4615.10
1918 668.10 b 719.25 d 0.00 z 444.50 381.00 42.32 b 59.00 66.50 59.00 164.00 602.50 819.50 4025.68
1919 0.00 z 697.50 648.00 376.50 156.00 155.50 38.50 63.50 186.50 469.00 650.50 975.00 4416.50
1920 734.00 632.50 698.50 501.50 287.50 124.00 48.50 15.50 180.50 465.00 625.50 847.00 5160.00
1921 898.00 628.50 536.00 458.00 354.00 88.00 31.50 89.50 190.00 283.00 549.50 776.00 4882.00
1922 992.50 836.50 795.50 556.00 290.50 88.50 24.00 110.00 95.00 359.00 665.50 804.50 5617.50
1923 847.00 738.00 611.50 526.50 319.50 230.00 49.50 60.50 143.50 419.50 506.50 828.50 5280.50
1924 964.00 508.00 673.50 455.50 161.50 154.50 40.00 74.50 161.50 417.50 572.00 917.00 5099.50
1925 729.50 540.50 578.15 a 404.50 236.50 128.00 8.00 76.00 269.00 497.00 742.00 918.00 5127.15
1926 977.50 680.00 527.50 338.50 293.00 63.50 25.00 72.00 311.00 400.00 607.50 949.00 5244.50
1927 884.50 738.00 652.00 527.00 414.50 142.00 45.50 110.50 301.00 444.00 641.00 1022.00 5922.00
1928 954.00 747.50 598.00 559.00 171.00 172.00 55.00 63.00 217.50 487.00 744.00 1098.50 5866.50
1929 1029.00 864.50 695.00 652.00 332.00 210.50 60.00 49.50 281.00 421.00 794.50 791.50 6180.50
1930 1084.00 697.00 671.00 455.00 441.50 126.50 31.00 88.00 222.00 490.00 728.00 1016.00 6050.00
1931 942.50 697.08 d 599.00 434.50 185.00 136.03 a 14.50 12.50 265.00 442.00 793.89 c 603.00 n 4522.01
1932 1085.00 b 991.18 a 677.50 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 2753.68
1933 0.00 z 0.00 z 0.00 z 514.50 499.50 164.50 16.00 52.00 224.46 b 284.50 677.59 a 861.00 3294.05
1934 819.50 631.50 409.00 361.50 236.50 155.50 65.00 9.50 218.00 409.00 635.50 916.00 4866.50
1935 1027.50 754.50 838.00 528.50 316.50 94.50 108.50 52.38 b 138.00 525.50 852.00 934.00 6169.88
1936 842.00 777.00 638.00 439.00 284.50 155.50 32.50 72.50 209.50 422.00 779.50 1003.50 5655.50
1937 1487.50 921.50 761.50 603.00 314.00 179.00 32.50 105.50 213.00 435.50 0.00 z 840.50 5893.50
1938 910.50 850.50 822.00 523.50 317.00 73.00 28.00 77.00 192.50 515.00 905.50 904.68 a 6119.18
1939 951.50 940.00 696.50 370.50 0.00 z 0.00 z 49.50 51.67 a 192.50 479.97 b 745.50 730.57 a 5208.20
1940 852.00 685.50 585.50 425.00 260.00 45.50 30.48 a 14.50 251.50 398.00 716.00 875.50 5139.48
1941 892.50 677.00 626.00 594.00 333.50 165.00 a 37.00 128.50 349.00 517.50 640.00 862.50 5822.50
1942 1031.50 793.50 755.50 544.50 466.00 190.00 48.50 86.00 198.50 410.50 689.50 826.00 6040.00
1943 935.00 737.50 675.00 447.00 335.00 275.69 a 25.00 179.28 a 127.76 a 468.21 b 619.00 f 964.00 5169.44
1944 1026.74 b 870.54 b 809.21 b 629.00 366.83 d 89.00 t 86.50 0.00 z 0.00 z 0.00 z 785.50 863.00 5437.32
1945 935.50 729.50 832.00 574.50 394.00 196.50 18.50 95.50 206.25 b 341.53 b 715.00 944.00 5982.78
1946 962.50 919.00 705.50 475.50 310.50 228.50 29.50 65.10 a 233.00 588.50 0.00 z 893.00 5410.60
1947 1010.00 667.00 632.50 533.50 193.23 a 93.21 b 203.50 161.50 188.50 437.50 546.00 k 660.00 j 4120.45
1948 572.50 j 611.50 j 615.50 h 711.92 d 278.00 k 96.67 c 82.00 134.50 227.50 431.79 c 758.08 d 877.50 f 2442.45
1949 1435.19 d 985.19 a 779.59 d 310.50 i 146.50 j 136.61 b 44.95 a 165.50 200.50 537.73 e 486.50 j 806.50 h 4285.25
1950 890.00 h 771.50 733.87 e 327.50 h 248.50 g 206.50 11.50 58.50 171.00 390.48 e 387.00 i 458.50 k 2343.35
1951 926.38 a 741.00 721.00 405.00 345.98 c 98.57 b 26.98 d 75.50 142.22 c 469.17 e 572.50 f 1008.57 b 4960.38
1952 1118.67 b 888.50 910.22 b 359.50 f 273.63 e 190.34 a 2.58 a 68.20 a 107.50 327.00 843.00 972.62 c 5702.28
1953 804.50 693.50 742.34 c 593.57 b 514.00 144.50 g 23.50 117.28 a 68.00 h 475.91 d 401.50 i 862.50 4827.10
1954 854.50 644.00 754.00 385.50 204.50 200.50 46.50 181.50 290.00 483.50 660.50 1009.00 5714.00
1955 1114.50 890.50 755.50 702.00 336.50 186.00 140.50 86.00 269.00 445.00 762.00 830.00 6517.50
1956 874.50 943.06 c 688.50 528.50 335.00 150.00 52.50 74.50 178.50 502.50 762.00 973.40 a 6062.96
1957 1116.55 c 728.50 645.50 501.50 326.00 83.50 42.00 132.27 a 122.00 470.50 780.50 0.00 z 4948.82
1958 874.50 642.50 809.50 546.00 226.00 144.50 21.50 0.50 144.00 365.00 694.00 798.50 5266.50
1959 805.00 769.00 612.00 362.50 396.00 99.00 19.50 78.50 190.50 369.00 703.50 989.33 b 5393.83
1960 1013.50 767.00 600.00 496.00 393.50 47.50 13.00 74.50 121.00 410.50 713.79 a 876.00 5526.29
1961 857.00 638.00 687.50 477.50 374.00 80.69 a 39.00 41.00 235.50 439.50 746.50 928.50 5544.69
1962 1019.50 815.50 786.50 385.50 391.00 117.50 32.00 46.50 119.00 357.00 578.50 809.00 5457.50
1963 977.50 489.50 731.00 664.00 225.50 157.50 95.07 a 77.50 84.50 307.00 687.50 858.00 5354.57
1964 939.00 784.00 726.50 524.00 403.50 187.00 47.00 37.00 222.00 305.00 786.50 798.50 5760.00
1965 935.50 687.00 647.50 473.00 341.50 122.50 45.00 57.00 250.50 357.50 625.00 1011.50 5553.50
1966 968.50 791.50 649.50 388.50 175.50 155.00 91.50 31.50 122.00 371.50 622.00 888.50 5255.50
1967 905.00 659.00 747.00 755.50 279.00 164.00 6.50 0.50 73.00 415.50 608.50 1074.00 5687.50
1968 993.50 724.50 639.50 503.50 316.50 94.00 8.00 87.00 138.50 396.50 655.00 978.50 5535.00
1969 991.00 851.50 698.50 487.00 167.00 82.50 12.00 31.50 82.24 a 499.00 687.50 837.50 5427.24
1970 808.00 627.00 616.00 623.00 266.50 109.00 17.00 36.50 182.00 470.50 588.00 1001.50 5345.00
1971 983.50 747.00 716.50 532.50 337.00 166.50 19.50 26.00 246.50 547.50 765.50 1130.50 6218.50
1972 1198.00 804.50 569.50 593.50 313.50 92.50 44.00 63.50 281.50 460.23 e 567.00 h 707.50 m 4420.73
1973 663.50 k 458.50 j 547.50 i 519.00 0.00 z 0.00 z 19.50 62.50 184.50 498.77 c 551.50 h 574.50 k 1284.27
1974 706.50 i 521.50 i 471.00 j 595.38 d 323.50 0.00 z 50.50 44.00 97.00 414.00 471.50 k 646.00 k 1524.38
1975 690.00 k 481.00 j 515.00 j 505.50 i 321.62 c 158.50 0.00 z 75.00 74.00 352.50 h 454.50 m 628.00 j 629.12
1976 604.50 k 526.00 j 549.00 h 609.81 d 258.50 203.28 a 36.00 168.50 172.50 0.00 z 379.50 k 721.50 h 1448.58
1977 574.50 l 390.00 l 607.50 i 357.50 f 494.89 c 63.21 b 32.00 23.00 k 188.00 383.88 a 0.00 z 499.50 l 1161.99
1978 0.00 z 0.00 z 0.00 z 0.00 z 275.50 k 131.00 f 44.95 a 118.26 d 285.52 a 320.33 a 445.00 l 0.00 z 769.06
1979 660.50 i 472.50 j 412.00 j 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
1980 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
1981 0.00 z 0.00 z 0.00 z 432.00 202.50 g 73.39 b 32.11 c 36.50 101.00 430.50 f 351.50 l 483.50 l 675.00
1982 642.50 l 686.50 693.50 647.07 a 234.50 135.00 40.00 52.50 198.50 290.00 m 403.50 n 505.50 n 2687.57
1983 562.50 j 443.00 i 678.12 c 625.71 b 224.00 k 100.50 130.00 48.00 112.00 193.00 l 469.00 j 840.44 d 2534.78
1984 563.00 m 446.50 l 346.50 l 392.50 i 274.50 170.50 12.00 72.00 144.50 537.50 462.00 l 388.00 s 1211.00
1985 663.50 k 465.50 k 535.00 j 290.50 i 314.00 68.50 12.00 69.50 256.50 489.00 449.50 o 344.50 u 1209.50
1986 311.00 r 214.00 t 274.50 p 253.00 n 310.50 74.00 56.00 32.00 305.00 425.50 204.00 t 55.00 z 1203.00
1987 26.50 z 0.00 z 80.00 z 237.00 i 154.00 g 77.00 96.62 a 12.50 83.79 a 237.00 50.00 z 0.00 z 506.91
1988 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 179.50 254.00 622.50 0.00 z 1056.00
1989 0.00 z 499.50 o 0.00 z 393.00 339.50 70.00 52.00 97.00 216.00 249.00 p 0.00 z 0.00 z 1167.50
1990 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 31.00 42.00 252.00 588.00 e 458.00 p 913.00
1991 810.00 474.50 752.50 498.00 344.50 143.50 2.07 a 0.00 z 10.50 220.50 539.50 846.30 a 4641.87
1992 793.00 595.00 511.00 0.00 z 46.00 80.50 0.00 z 7.50 28.00 i 233.00 0.00 z 923.28 a 3189.28
1993 83.00 z 759.50 503.50 455.50 211.00 127.50 15.50 26.00 0.00 z 269.50 691.00 0.00 z 3059.00
1994 608.00 g 417.00 k 486.00 396.50 185.50 78.00 0.00 5.00 59.50 343.00 819.31 a 871.00 3243.81
1995 823.50 518.50 662.50 526.00 284.00 150.50 19.50 30.00 51.00 232.50 445.00 716.50 4459.50
1996 777.00 614.50 423.00 i 152.50 r 256.78 a 44.00 0.00 z 13.50 t 169.50 415.00 615.00 b 817.50 3709.28
1997 852.00 664.00 513.05 a 471.50 113.00 i 110.00 31.50 58.50 132.50 487.50 627.00 921.50 4869.05
1998 790.50 736.00 643.00 379.00 k 184.50 u 0.00 z 10.50 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2169.50
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 48.50 74.50 375.50 643.00 973.00 2114.50
2000 869.00 700.00 626.00 422.50 300.00 85.00 52.00 25.00 177.50 423.00 809.00 905.00 5394.00
2001 978.50 842.50 569.50 581.50 118.00 89.50 38.50 18.50 65.50 281.50 653.50 898.00 5135.00
2002 965.50 684.50 676.00 420.50 344.50 55.00 0.00 49.50 119.00 409.00 709.00 871.00 5303.50
2003 743.00 714.00 571.50 619.00 260.50 38.50 8.00 27.50 78.00 315.50 771.50 873.00 5020.00
2004 942.00 749.50 483.50 432.00 280.00 56.00 3.50 16.50 135.00 430.50 758.50 942.50 5229.50
2005 972.50 661.00 593.50 533.50 310.50 203.50 2.50 5.00 205.00 417.50 626.50 789.00 5320.00
2006 833.50 734.50 864.00 546.00 228.50 55.50 3.00 17.50 144.50 458.50 683.50 920.00 5489.00
2007 998.50 723.00 547.50 448.50 253.50 78.00 8.50 23.00 208.50 497.00 689.50 947.00 5422.50
2008 1001.50 841.00 682.50 546.00 306.50 90.50 0.00 1.50 70.00 417.00 610.00 1010.00 5576.50
2009 972.00 748.50 669.50 446.50 157.50 126.00 21.50 13.00 55.50 430.50 650.50 1017.50 5308.50
2010 818.50 680.00 667.00 643.50 491.00 112.50 12.50 70.50 140.00 340.00 734.50 856.50 5566.50
2011 923.50 831.92 b 779.00 574.00 447.50 184.00 41.85 a 14.50 31.50 423.15 a 791.00 970.50 6012.42
2012 944.50 786.50 734.00 533.00 288.00 173.00 15.50 a 17.50 43.20 e 425.22 a 736.73 d 958.50 5655.65
2013 1134.00 809.41 a 611.00 35.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 41.00 z 2554.41
Period of Record Statistics
MEAN 950.88 745.85 683.28 511.90 313.40 131.06 41.24 66.27 184.02 420.06 694.71 913.02 5672.97
S.D. 135.09 116.11 102.83 89.82 94.28 54.58 34.09 43.65 78.45 91.02 85.83 91.11 480.69
SKEW 1.13 0.31 -0.09 0.35 0.06 0.43 1.86 0.75 -0.01 -0.39 -0.19 0.20 0.29
MAX 1487.50 1079.50 910.22 755.50 569.00 275.69 203.50 181.50 375.50 657.50 905.50 1163.50 6972.52
MIN 668.10 474.50 409.00 338.50 46.00 38.50 0.00 0.50 10.50 164.00 445.00 716.50 4459.50
NO YRS 91 96 97 99 101 105 108 108 109 106 88 90 67