YOSEMITE PARK HQ, CALIFORNIA

Monthly Total Heating Degree Days

(049855)

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
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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 6.50 76.61 b 324.00 750.00 948.00 2105.11
1907 1094.00 638.50 824.50 374.50 298.00 194.50 3.00 49.00 174.00 320.00 672.00 932.00 5574.00
1908 971.50 742.00 585.50 330.50 365.50 116.50 2.50 5.50 118.50 n 502.00 713.50 1043.00 5378.00
1909 897.50 833.00 797.50 394.50 331.00 52.50 17.00 0.50 106.00 0.00 z 844.04 d 814.00 g 4273.54
1910 1127.22 b 807.50 552.50 359.50 183.00 0.00 z 35.00 r 3.32 c 159.50 353.50 669.81 d 855.50 5071.35
1911 955.00 863.50 615.50 453.50 382.00 94.50 0.00 11.50 224.50 365.00 714.00 1082.70 d 5761.70
1912 958.00 679.50 777.50 606.96 b 318.50 99.44 c 12.50 g 40.00 136.50 455.18 a 674.50 983.50 5729.59
1913 1173.35 a 735.78 a 689.00 606.00 422.50 321.50 34.00 23.00 51.00 307.50 690.50 985.50 6039.63
1914 984.50 720.50 486.00 432.00 264.50 185.00 2.00 0.00 a 89.50 351.50 628.50 1111.00 5255.00
1915 967.00 680.00 418.00 312.50 260.50 0.00 0.00 0.00 z 123.50 n 388.07 d 629.00 737.00 4392.07
1916 661.50 h 692.50 360.00 34.00 115.22 a 17.00 z 0.00 y 4.00 57.50 498.00 746.00 1088.00 3595.22
1917 1197.50 781.41 a 811.00 562.00 465.00 58.93 b 0.55 c 0.00 a 10.80 e 171.00 665.69 a 866.00 5589.88
1918 902.50 755.00 701.12 a 439.14 a 394.50 13.50 29.50 61.50 87.00 295.50 754.00 1026.00 5459.25
1919 928.50 827.00 787.00 426.50 211.50 125.50 34.00 0.00 z 157.50 b 523.50 693.50 1043.00 5757.50
1920 889.50 773.00 850.50 603.21 b 412.50 224.00 134.85 a 104.00 131.50 f 492.50 656.50 931.00 6071.56
1921 901.00 674.50 563.50 503.50 457.50 139.50 0.00 29.00 154.29 b 98.50 j 151.00 x 935.00 4357.79
1922 1168.18 a 855.00 833.50 548.79 a 295.00 113.00 6.41 b 48.50 67.00 391.50 802.50 867.50 5996.89
1923 891.50 780.00 582.50 548.00 310.50 283.50 33.58 a 138.50 203.50 454.50 629.00 985.50 5840.58
1924 1041.00 602.00 797.00 473.00 173.50 112.00 15.50 54.00 106.00 522.50 660.50 945.00 5502.00
1925 889.00 580.50 580.00 453.50 255.50 149.00 7.00 62.50 255.50 397.50 670.50 755.00 5055.50
1926 838.00 631.50 419.50 327.50 206.00 21.50 0.00 13.00 98.50 261.00 356.00 757.00 3929.50
1927 833.00 639.50 611.50 428.00 269.00 94.00 4.00 15.50 176.00 246.00 543.50 822.00 4682.00
1928 795.50 610.00 495.00 390.00 115.50 63.00 7.50 0.00 52.22 c 304.50 596.00 931.50 4360.72
1929 902.00 739.50 602.00 552.50 175.50 148.00 0.00 0.00 118.50 293.50 586.50 687.00 4805.00
1930 944.00 584.00 588.50 361.00 436.50 63.00 1.50 1.50 179.50 379.00 578.00 903.50 5020.00
1931 860.00 653.00 549.50 358.45 a 130.50 111.50 0.00 1.00 135.00 334.50 738.00 985.00 4856.45
1932 1019.00 765.00 517.00 478.00 346.00 136.50 22.00 12.00 45.50 340.50 513.00 1036.00 5230.50
1933 996.50 809.00 637.50 394.50 422.00 100.50 0.00 0.00 101.00 199.50 550.00 788.00 4998.50
1934 741.50 588.00 271.50 179.00 158.00 112.00 3.50 0.00 95.50 310.50 586.00 789.50 3835.00
1935 930.50 662.00 783.50 468.00 256.50 25.00 29.00 0.00 30.00 439.50 734.50 801.00 5159.50
1936 782.00 774.50 500.50 353.00 210.00 102.00 16.50 2.00 98.50 324.50 601.00 864.00 4628.50
1937 1309.50 800.50 681.50 480.00 159.00 93.00 0.00 a 11.00 71.00 306.00 630.00 805.00 5346.50
1938 780.00 798.00 809.50 458.00 296.00 93.00 8.00 2.00 72.50 438.00 720.00 783.50 5258.50
1939 832.50 845.50 616.50 259.00 228.00 85.00 4.50 0.50 91.50 392.00 572.00 729.00 4656.00
1940 738.50 689.50 522.00 379.50 117.00 16.50 8.00 3.00 136.00 310.00 658.50 772.50 4351.00
1941 823.50 654.50 560.00 489.00 221.50 142.50 4.00 19.00 173.50 442.50 560.00 862.50 4952.50
1942 912.00 779.50 630.50 487.50 340.50 66.50 0.00 17.00 51.00 228.50 581.00 810.00 4904.00
1943 758.00 595.50 547.50 348.50 199.00 158.50 0.00 8.50 13.00 274.00 562.00 772.50 4237.00
1944 869.00 773.50 622.50 517.00 203.50 177.50 0.00 2.00 59.50 240.50 687.93 a 844.50 4997.43
1945 826.00 625.00 746.50 374.50 324.50 84.50 0.00 2.00 80.00 277.97 a 674.00 878.50 4893.47
1946 790.00 748.50 620.50 345.00 199.00 45.50 0.00 1.00 42.50 426.50 711.00 772.50 4702.00
1947 837.00 557.00 482.00 359.50 124.00 72.50 0.50 22.00 31.50 291.00 714.00 863.50 4354.50
1948 700.50 794.50 761.00 532.50 288.50 81.00 17.00 4.00 114.00 270.50 638.00 999.50 5201.00
1949 1167.00 857.00 757.00 280.50 238.00 31.00 0.00 15.00 50.50 316.50 391.00 941.50 5045.00
1950 1058.50 607.00 584.00 313.00 226.50 89.00 0.00 3.50 100.50 242.00 511.50 711.50 4447.00
1951 870.00 672.50 592.50 356.50 210.00 45.50 4.00 11.50 25.50 327.00 624.00 1027.00 4766.00
1952 1036.50 759.00 842.50 394.00 176.00 146.50 1.00 0.00 54.00 167.00 700.00 953.50 5230.00
1953 778.00 605.00 617.50 454.00 446.50 174.00 0.00 34.00 41.79 b 338.50 578.00 844.50 4911.79
1954 829.50 508.00 701.00 270.00 167.50 164.00 0.00 36.50 84.50 276.00 517.50 882.00 4436.50
1955 1024.50 762.50 586.50 575.50 267.00 74.00 22.50 0.00 a 71.00 214.50 686.50 854.00 5138.50
1956 833.00 766.50 525.50 448.00 259.00 63.00 3.00 10.00 30.00 363.50 625.00 854.50 4781.00
1957 1001.50 605.00 585.50 415.00 323.00 10.00 1.50 21.50 51.00 410.50 692.50 839.50 4956.50
1958 823.00 628.00 783.00 479.00 159.00 134.00 7.00 0.00 48.50 185.00 627.00 727.00 4600.50
1959 792.50 754.00 488.50 227.00 305.00 32.00 0.00 18.50 148.00 202.00 544.00 783.50 4295.00
1960 973.00 761.00 489.00 411.50 244.00 2.00 0.00 2.50 9.00 329.50 706.50 852.50 4780.50
1961 751.50 639.50 668.50 408.00 324.00 51.00 1.50 2.50 70.00 278.00 697.24 a 900.00 4791.74
1962 866.00 796.50 763.50 290.50 333.00 52.00 5.00 l 0.00 a 17.00 237.50 551.00 759.00 4666.00
1963 855.50 457.33 a 686.50 643.00 250.07 a 144.00 6.50 9.00 37.50 258.50 637.50 780.00 4765.40
1964 848.00 668.50 668.50 469.00 0.00 z 119.00 1.50 1.50 43.50 151.50 728.50 794.00 4493.50
1965 856.00 568.50 605.00 490.50 294.00 121.50 10.33 a 8.00 126.50 163.00 603.50 898.00 4744.83
1966 906.50 726.00 479.50 236.00 120.00 84.31 a 18.00 10.50 47.50 270.50 527.50 848.00 4274.31
1967 791.00 540.50 683.50 761.00 246.50 147.41 a 0.00 0.00 17.00 217.50 489.00 1043.00 4936.41
1968 941.00 594.00 555.50 373.00 247.00 0.00 z 11.00 122.00 61.00 0.00 z 629.50 998.50 4532.50
1969 908.50 867.50 704.00 439.00 133.50 119.50 3.00 0.00 32.50 409.00 548.50 807.50 4972.50
1970 783.00 554.00 551.00 528.50 169.00 93.50 0.00 0.00 z 0.00 z 290.00 552.50 984.50 4506.00
1971 925.50 573.00 596.00 467.50 345.00 93.50 2.00 1.00 90.50 g 428.50 613.39 b 1088.88 c 5134.27
1972 980.00 647.00 390.50 444.00 189.00 53.50 2.50 17.50 72.00 363.70 c 702.00 805.00 g 3861.70
1973 755.00 f 707.50 735.50 378.50 150.50 64.66 a 3.00 6.41 b 50.00 261.00 711.50 590.00 j 3068.57
1974 894.50 632.00 582.00 482.07 a 199.50 27.00 25.12 b 0.00 0.50 244.00 608.50 867.00 4562.19
1975 782.50 741.50 724.00 654.50 219.50 63.00 20.50 26.50 13.50 384.50 629.00 851.00 5110.00
1976 769.00 667.00 651.00 533.00 115.50 89.50 3.00 63.00 67.50 252.00 445.50 822.00 4478.00
1977 650.50 i 489.00 721.50 277.50 465.50 51.00 0.00 a 0.00 103.97 a 0.00 z 0.00 z 699.50 2807.97
1978 772.50 641.00 485.27 e 476.50 219.50 65.36 b 12.29 b 8.50 129.50 143.50 712.50 0.00 z 3666.42
1979 950.50 756.00 629.00 437.50 197.50 46.50 6.20 a 12.92 a 27.60 e 276.00 0.00 z 762.00 4101.72
1980 764.50 629.50 669.00 422.50 0.00 z 0.00 z 0.00 z 0.50 0.00 z 0.00 z 527.00 662.50 3675.50
1981 700.00 0.00 z 666.00 350.00 199.00 0.00 z 0.00 0.00 b 38.50 430.00 580.00 757.50 3721.00
1982 1007.50 676.00 755.50 481.00 217.00 114.50 37.00 0.00 144.00 399.50 734.00 882.00 5448.00
1983 822.50 691.50 717.00 596.00 307.00 118.50 41.00 16.50 43.50 274.50 651.00 821.50 5100.50
1984 720.00 680.00 515.50 515.00 140.50 64.50 0.00 0.50 22.00 401.50 710.00 901.00 4670.50
1985 845.00 675.00 742.00 280.50 195.62 b 59.50 2.00 7.50 196.00 330.50 744.00 788.00 4865.62
1986 646.00 618.00 496.00 446.50 260.50 16.00 1.00 0.00 262.00 287.00 558.00 800.50 4391.50
1987 871.00 662.50 674.00 241.00 229.00 16.50 43.00 4.00 20.50 156.00 646.00 886.50 4450.00
1988 874.00 564.00 522.00 432.00 308.00 123.00 0.00 0.00 43.50 115.00 629.00 895.50 4506.00
1989 968.50 762.00 596.00 273.50 274.50 36.50 3.00 5.00 72.00 327.50 562.50 b 773.00 4654.00
1990 877.50 801.50 552.50 321.00 257.50 72.00 0.00 35.50 62.50 175.50 582.00 1029.00 4766.50
1991 815.00 458.50 842.00 459.50 364.00 0.00 z 0.00 5.00 15.50 199.00 533.00 809.00 4500.50
1992 799.50 655.00 554.50 250.00 55.50 0.00 z 14.50 2.50 5.00 180.00 606.50 984.50 4107.50
1993 907.00 746.00 519.50 387.50 228.00 121.50 1.50 4.50 48.50 258.00 605.50 863.00 4690.50
1994 760.00 741.00 498.50 383.50 238.50 33.50 0.00 0.00 53.00 0.00 z 864.50 0.00 z 3572.50
1995 892.00 489.00 674.00 509.00 389.00 178.00 7.00 1.50 34.00 153.50 426.72 a 754.50 4508.22
1996 794.50 663.50 582.00 358.50 228.50 50.00 0.00 0.00 47.50 335.50 590.00 803.00 4453.00
1997 846.00 633.50 420.00 382.50 88.50 53.50 4.00 0.00 21.50 356.00 593.04 b 868.00 4266.54
1998 798.25 a 797.50 638.00 563.00 515.24 b 190.86 a 1.00 3.00 115.50 404.00 641.50 914.50 5582.35
1999 771.50 704.50 639.50 558.50 238.00 110.00 1.50 16.00 17.50 158.00 537.00 796.00 4548.00
2000 778.50 686.00 544.00 272.50 164.50 38.04 b 8.00 1.00 76.50 318.00 702.50 725.00 4314.54
2001 886.00 772.50 537.00 526.50 43.00 11.50 0.00 0.00 b 8.00 157.00 558.00 930.00 4429.50
2002 856.00 582.50 654.50 376.50 245.86 b 21.00 0.00 d 0.00 64.50 301.00 533.00 885.50 4520.36
2003 690.50 648.00 561.50 615.00 297.94 d 21.50 0.00 0.50 7.50 95.00 763.00 859.00 4559.44
2004 916.00 809.50 0.00 z 340.00 195.00 30.00 0.00 z 0.00 97.00 278.00 g 691.80 e 868.00 3947.30
2005 708.50 f 512.50 f 444.00 h 0.00 z 0.00 z 113.50 f 0.00 j 1.19 e 119.50 233.50 h 435.00 g 482.50 k 120.69
2006 600.50 h 647.00 915.50 359.50 i 188.50 15.50 n 0.00 q 0.00 z 29.50 k 78.50 x 304.50 n 350.00 s 1751.00
2007 108.50 z 97.00 x 183.00 w 99.50 x 85.00 p 21.00 g 5.96 e 0.00 t 57.00 p 179.00 q 139.50 v 182.00 y 5.96
2008 357.00 s 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 t 13.50 169.00 h 272.00 n 537.00 n 13.50
2009 348.00 q 497.00 i 353.50 n 0.00 z 24.00 w 0.00 z 0.00 x 4.50 i 9.50 k 28.50 z 10.50 z 0.00 z 0.00
2010 485.00 m 509.50 g 427.00 j 18.00 z 52.00 z 28.00 o 0.00 o 23.50 40.50 108.50 p 0.00 z 305.00 s 64.00
2011 853.53 a 785.08 b 731.00 500.50 378.50 161.25 b 6.72 a 0.00 k 12.50 241.36 c 671.38 a 862.00 5203.81
2012 779.65 a 664.41 a 665.43 b 423.75 b 137.29 c 55.71 b 1.03 a 0.00 b 0.00 a 241.00 554.50 890.14 c 4412.92
2013 968.75 c 514.00 g 505.96 c 17.50 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 1474.71
Period of Record Statistics
MEAN 885.03 689.34 623.85 424.61 252.19 91.66 8.31 13.62 76.70 305.73 630.01 870.43 4845.89
S.D. 119.27 95.07 120.97 114.27 97.76 59.95 16.79 24.49 57.98 98.03 89.69 101.16 458.93
SKEW 0.95 -0.23 -0.01 -0.14 0.45 1.05 4.93 3.07 1.07 0.13 -0.26 0.38 0.51
MAX 1309.50 867.50 915.50 761.00 515.24 321.50 134.85 138.50 262.00 523.50 864.50 1111.00 6039.63
MIN 646.00 457.33 271.50 34.00 43.00 0.00 0.00 0.00 0.00 95.00 356.00 662.50 3835.00
NO YRS 98 100 101 100 99 93 95 99 98 94 98 96 74