MERCED AP, CALIFORNIA

Monthly Total Growing Degree Days

(045532)

Base Temperature = 50 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
1899 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 795.52 a 915.00 734.00 767.00 309.50 139.50 4.81 b 3665.33
1900 18.82 c 30.50 213.90 a 175.86 a 421.60 a 743.57 b 0.00 z 0.00 z 0.00 z 0.00 z 195.00 a 0.00 z 1799.25
1901 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 954.00 577.24 a 535.00 179.48 a 24.50 2270.22
1902 2.50 33.50 34.00 221.00 423.15 a 746.50 847.50 824.60 a 735.50 403.50 79.00 13.00 4363.75
1903 0.00 0.50 0.00 z 177.00 512.00 900.50 866.40 b 930.55 c 684.50 363.00 89.50 0.00 4523.95
1904 0.00 108.75 a 208.00 263.04 b 577.50 681.50 810.65 a 946.00 808.00 0.00 z 143.50 16.00 4562.94
1905 56.50 113.50 216.50 334.66 a 433.50 692.00 0.00 z 766.14 c 579.50 388.50 101.00 1.03 a 3682.83
1906 51.50 138.50 146.50 264.83 a 378.64 c 590.00 1058.00 945.50 685.50 483.08 a 123.50 26.50 4892.05
1907 2.50 132.00 71.30 a 331.00 452.08 a 642.12 d 915.50 764.50 0.00 z 389.29 e 0.00 z 33.21 c 3733.50
1908 15.50 a 0.50 130.00 0.00 z 312.50 534.00 1040.00 914.50 a 644.50 263.00 96.00 43.00 3993.50
1909 50.50 25.00 50.50 399.00 358.50 483.00 845.50 750.00 605.50 348.00 74.50 37.50 4027.50
1910 14.50 18.50 0.00 z 0.00 z 0.00 z 735.50 852.00 787.50 599.50 471.50 148.50 30.50 3658.00
1911 17.00 16.00 120.50 186.00 395.00 760.00 956.50 721.50 549.50 366.00 110.50 11.50 4210.00
1912 8.00 11.00 80.50 175.50 535.00 793.00 978.50 849.50 714.50 342.50 145.34 a 35.00 4668.34
1913 42.00 53.00 138.50 272.00 505.50 607.50 875.00 938.00 744.50 471.00 160.00 18.00 4825.00
1914 58.00 68.00 231.50 316.00 558.50 656.50 866.50 850.00 567.50 392.50 153.00 1.00 4719.00
1915 16.00 62.00 197.50 259.00 360.00 687.50 869.50 883.50 628.50 451.00 103.00 25.00 4542.50
1916 4.00 115.50 183.00 296.50 398.50 641.00 824.50 778.00 622.24 a 235.50 36.00 18.00 4152.74
1917 1.50 32.50 63.50 227.50 334.00 759.00 1024.50 855.50 690.00 489.00 125.50 13.50 4616.00
1918 2.50 24.50 151.00 261.50 379.50 891.50 845.50 798.00 590.50 426.50 59.00 3.50 4433.50
1919 0.00 24.50 49.00 269.50 542.50 694.00 913.50 839.07 a 620.00 275.00 34.00 17.50 4278.57
1920 4.00 20.50 45.00 217.50 504.00 719.00 824.00 896.00 594.50 260.00 67.00 5.00 4156.50
1921 17.50 67.50 187.50 267.00 384.50 761.00 944.00 820.00 588.00 412.50 126.50 33.50 4609.50
1922 1.50 48.50 63.50 177.00 505.00 720.00 946.50 811.50 779.50 367.00 17.00 29.50 4466.50
1923 8.50 45.50 158.00 199.00 446.00 556.00 862.50 815.50 739.00 351.50 152.00 0.00 4333.50
1924 29.00 133.50 58.00 330.50 651.50 760.00 859.50 828.50 695.50 320.50 91.50 15.00 4773.00
1925 39.50 76.00 133.00 258.00 531.50 794.00 961.00 805.00 541.00 344.00 73.00 13.50 4569.50
1926 8.50 85.00 271.50 472.50 611.00 842.00 957.00 875.50 577.50 456.00 254.50 27.00 5438.00
1927 22.50 88.50 98.50 246.00 548.00 760.50 1008.50 838.00 591.50 469.50 125.00 4.50 4801.00
1928 17.00 37.00 236.00 297.50 679.50 793.00 872.00 858.50 696.00 396.50 113.50 8.00 5004.50
1929 2.00 39.00 132.50 202.00 558.50 693.50 898.50 911.50 0.00 z 433.00 90.50 93.00 4054.00
1930 9.50 112.00 165.50 317.00 384.50 728.50 889.50 818.00 599.00 347.50 133.50 3.00 4507.50
1931 22.00 53.50 136.50 415.00 664.50 667.50 1061.50 941.50 583.50 376.50 136.00 5.00 5063.00
1932 2.00 40.50 140.00 229.00 537.50 726.50 876.50 810.50 731.00 389.50 228.50 0.50 4712.00
1933 0.00 4.50 138.00 283.50 361.50 661.00 1012.50 893.00 584.00 563.50 123.50 22.50 4647.50
1934 9.82 a 80.50 278.50 437.50 602.00 647.00 889.50 846.00 673.00 412.50 128.50 13.50 5018.32
1935 4.00 21.00 47.50 235.00 473.00 875.50 853.00 888.00 673.50 358.00 24.00 7.00 4459.50
1936 16.50 35.50 164.50 291.00 547.00 722.07 a 964.00 915.00 700.00 456.50 81.00 0.00 4893.07
1937 0.00 30.50 117.50 191.50 526.50 659.00 963.00 901.00 662.50 445.00 118.50 35.50 4650.50
1938 0.00 37.00 61.50 228.00 509.50 746.50 906.00 827.00 717.00 364.00 28.50 24.00 4449.00
1939 2.00 0.50 126.00 398.00 540.00 725.00 844.00 832.00 689.00 356.50 92.50 25.00 4630.50
1940 55.00 70.00 177.00 306.00 602.00 831.50 866.50 858.50 597.50 381.50 59.00 46.50 4851.00
1941 31.50 70.50 168.00 200.50 532.00 638.50 906.00 730.00 573.00 324.50 149.00 55.00 4378.50
1942 43.00 31.00 105.50 272.00 413.00 673.00 890.00 823.00 625.00 427.80 a 118.00 0.00 z 4421.30
1943 16.02 a 60.00 148.00 267.00 542.00 560.50 827.50 703.70 a 672.00 366.50 99.00 11.00 4273.22
1944 9.00 17.00 112.50 177.50 508.50 581.00 179.00 x 752.50 679.00 436.50 64.00 17.50 3355.00
1945 0.50 45.00 33.00 266.50 444.00 689.50 920.50 783.78 a 671.00 179.50 s 54.83 a 35.50 3944.11
1946 3.50 21.00 97.50 336.00 487.50 630.50 838.50 801.00 635.50 273.00 20.00 5.50 4149.50
1947 0.50 54.50 185.50 364.50 622.30 d 697.00 762.50 741.00 689.00 383.00 20.00 3.00 4522.80
1948 42.50 14.50 48.00 213.00 394.50 663.00 785.50 736.00 598.00 355.00 60.00 0.50 3910.50
1949 0.00 g 19.19 a 82.00 382.50 491.35 a 714.00 823.05 a 721.00 666.00 327.29 e 160.50 2.50 4389.37
1950 31.00 72.50 142.00 369.83 a 425.00 f 661.50 905.00 858.70 a 631.03 a 439.17 d 211.50 74.50 4396.73
1951 17.50 s 54.00 139.50 317.00 533.00 664.00 826.00 790.00 695.00 398.00 173.00 20.50 4610.00
1952 21.00 52.00 100.00 316.00 577.50 556.00 930.00 833.00 719.00 529.00 118.50 18.50 4770.50
1953 71.30 a 45.50 141.00 300.00 387.00 576.50 948.17 b 761.50 745.50 308.00 h 154.50 2.00 4132.97
1954 7.00 g 57.50 102.50 416.38 a 569.50 669.60 e 946.50 749.50 619.00 416.90 b 119.50 19.50 f 4666.88
1955 5.00 g 35.26 a 125.66 c 187.24 a 396.50 j 637.50 d 812.00 878.50 694.00 305.00 h 94.82 b 50.00 h 3464.98
1956 15.00 f 20.50 174.00 310.34 a 504.50 708.89 c 703.50 f 757.43 a 687.41 a 369.23 c 83.50 l 8.50 h 3532.31
1957 4.81 b 129.63 a 168.84 c 334.66 a 486.18 a 578.00 i 835.85 d 478.00 k 643.39 b 332.39 d 63.21 b 5.34 b 3004.31
1958 27.56 d 131.92 b 75.50 283.50 600.00 667.76 a 858.81 d 964.00 682.76 a 510.95 c 105.00 b 22.00 4929.76
1959 49.00 36.40 c 219.77 c 426.00 479.97 b 738.00 e 924.26 d 811.74 d 601.00 483.71 b 101.50 8.00 4879.34
1960 44.95 a 39.36 a 226.50 283.45 a 475.50 829.80 e 956.35 a 849.92 a 707.07 a 392.67 a 66.96 b 8.00 4880.52
1961 20.48 c 74.00 136.50 339.00 432.97 a 840.00 d 966.96 e 952.14 c 665.50 449.50 b 104.48 a 21.50 5003.04
1962 0.00 a 36.50 78.00 400.00 425.00 696.50 841.00 813.75 c 671.25 b 397.00 167.59 a 38.23 a 4564.82
1963 14.43 b 193.50 128.00 176.79 b 515.63 a 646.61 b 784.62 b 808.07 a 742.50 463.00 98.00 0.00 4571.14
1964 3.50 12.50 132.78 a 278.65 d 436.58 a 670.00 908.00 880.50 614.50 537.00 103.00 90.00 4667.02
1965 20.50 41.00 144.50 287.00 493.00 577.50 837.00 840.50 540.50 485.50 166.55 a 1.00 4434.55
1966 17.05 a 40.00 234.05 a 419.48 a 597.00 708.21 b 841.13 a 947.10 b 698.00 464.50 214.00 34.10 a 5214.63
1967 14.98 a 14.50 119.35 a 50.36 b 508.83 b 634.66 a 1006.00 1009.00 789.50 508.50 243.62 a 5.17 a 4904.46
1968 15.50 b 204.55 a 215.00 350.17 a 523.50 777.00 884.03 b 754.50 694.82 b 431.50 125.17 a 10.00 4985.75
1969 36.00 11.31 b 155.50 290.69 a 423.00 h 626.25 b 892.00 886.00 733.45 a 293.43 b 117.32 b 17.57 a 4059.51
1970 32.07 b 76.22 a 168.50 215.56 c 618.50 730.34 a 976.00 862.32 a 698.00 412.09 b 148.50 12.73 c 4950.83
1971 20.15 a 18.50 151.50 264.81 d 425.50 679.29 b 915.50 896.33 b 700.50 364.77 a 56.25 b 1.15 d 4494.24
1972 1.55 a 110.50 352.00 323.00 633.00 801.00 913.00 868.00 660.00 413.50 49.62 d 16.50 5141.67
1973 20.67 a 49.50 58.00 334.50 661.50 799.66 a 877.00 831.00 625.50 402.50 126.50 23.50 4809.82
1974 58.00 36.50 176.70 a 272.00 539.50 741.72 a 872.50 832.50 744.00 458.00 88.45 a 6.50 4826.37
1975 2.07 a 39.50 79.00 161.00 578.00 718.50 827.50 785.50 728.28 a 353.00 95.56 c 11.48 d 4379.38
1976 2.50 68.50 133.00 197.00 594.50 721.07 b 890.00 713.00 654.83 a 453.50 166.50 2.00 4596.40
1977 4.50 74.00 55.00 363.00 343.00 801.00 873.50 832.50 646.50 428.00 120.00 47.00 4588.00
1978 44.50 41.50 217.50 157.00 472.50 634.66 a 855.82 c 787.50 582.50 484.50 66.00 2.00 4345.98
1979 13.00 18.00 150.50 212.50 389.00 i 529.50 g 667.50 g 663.40 a 693.00 e 478.29 c 99.00 29.50 2357.19
1980 84.00 99.50 86.50 282.93 a 424.91 b 593.00 915.53 a 818.92 a 657.00 e 472.00 138.00 17.57 a 4589.86
1981 57.72 b 90.22 a 110.00 311.50 553.87 a 895.34 a 889.50 821.00 699.50 320.85 a 166.03 a 61.50 4977.04
1982 0.00 92.50 94.00 250.50 0.00 z 585.00 822.00 818.50 594.00 404.00 45.50 3.00 3709.00
1983 23.50 77.00 173.00 208.50 519.50 0.00 z 787.50 892.00 738.00 490.00 144.50 51.50 4105.00
1984 2.50 15.00 195.50 276.00 643.50 729.00 984.50 896.50 829.00 338.50 106.00 16.00 5032.00
1985 0.00 68.50 65.00 430.00 510.00 0.00 z 955.50 788.50 569.00 365.00 91.00 13.00 3855.50
1986 86.00 131.50 232.00 276.50 528.00 721.00 843.50 887.50 554.50 453.00 144.50 0.00 z 4858.00
1987 6.50 71.00 0.00 z 429.00 0.00 z 753.50 727.50 835.00 699.00 565.00 103.50 51.00 4241.00
1988 20.50 91.50 211.50 370.50 512.00 706.00 992.00 845.00 667.50 491.00 147.00 0.50 5055.00
1989 0.00 z 45.00 230.50 426.50 0.00 z 726.00 890.00 815.00 648.50 412.50 98.00 0.50 4292.50
1990 14.00 32.50 181.00 442.00 524.00 740.00 944.00 867.00 700.00 526.50 108.00 1.50 5080.50
1991 3.50 141.50 81.50 253.50 455.00 647.50 944.50 792.00 793.50 578.00 149.00 13.00 4852.50
1992 0.50 123.00 206.00 406.00 703.50 716.50 851.50 879.00 713.00 516.00 120.50 15.00 5250.50
1993 27.50 65.00 259.00 289.00 548.00 740.00 559.00 k 850.00 695.50 525.00 132.00 21.00 4152.00
1994 22.00 41.50 241.50 326.00 523.00 738.50 910.00 882.50 703.00 425.00 52.00 2.00 4867.00
1995 80.00 94.50 157.00 281.50 450.00 623.00 882.00 902.00 724.50 524.50 271.50 77.00 5067.50
1996 25.50 167.50 210.00 374.50 562.00 742.50 997.00 942.00 661.50 405.50 142.50 71.00 5301.50
1997 48.50 54.50 260.00 374.00 715.00 723.50 892.50 885.00 794.50 444.00 209.00 9.50 5410.00
1998 45.50 49.50 215.50 276.00 356.50 630.00 919.00 938.00 735.50 392.50 100.00 3.00 4661.00
1999 41.00 32.00 80.00 244.66 a 508.40 a 670.50 855.00 814.78 a 747.41 a 551.50 176.00 0.00 b 4721.25
2000 58.12 c 105.50 180.00 388.00 581.50 840.50 814.50 890.00 701.90 a 430.50 50.17 a 27.00 5067.69
2001 9.82 a 45.50 248.50 271.55 a 779.65 a 825.52 a 890.00 881.95 a 733.93 b 531.00 199.82 b 14.35 d 5431.59
2002 11.50 74.50 150.50 334.50 551.05 b 0.00 z 942.18 c 811.50 723.00 419.00 143.00 36.50 4197.23
2003 34.50 43.00 184.50 204.00 562.50 765.00 1016.00 848.37 a 791.50 575.50 100.00 61.50 5186.37
2004 13.00 54.50 330.50 419.50 580.00 736.00 913.50 871.00 695.00 c 403.00 83.00 12.50 5111.50
2005 14.00 102.50 209.50 254.00 564.00 655.50 1028.50 959.50 646.50 496.50 199.00 85.50 5215.00
2006 9.50 81.00 52.50 287.00 645.50 845.00 1071.00 829.50 640.00 360.50 145.50 22.00 4989.00
2007 1.00 29.50 215.97 a 341.00 625.96 e 742.50 706.50 g 897.00 659.50 371.50 179.50 17.57 a 4080.99
2008 8.50 34.00 165.00 294.00 563.50 767.50 912.00 932.50 747.00 489.50 203.00 7.00 5123.50
2009 23.50 49.50 162.00 302.50 696.00 690.00 939.50 859.00 805.50 378.50 129.00 7.50 5042.50
2010 13.00 70.50 138.50 181.50 395.00 735.50 892.00 834.50 701.50 516.00 151.50 53.50 4683.00
2011 1.19 e 38.64 c 117.28 a 293.50 379.20 c 642.41 a 803.50 819.78 d 606.00 f 432.40 b 71.11 c 0.55 c 3599.56
2012 7.50 h 37.00 h 96.00 h 207.00 k 470.50 f 507.00 i 505.50 k 558.50 l 546.00 h 473.61 d 191.50 57.50 722.61
2013 16.50 22.00 283.00 10.50 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 321.50
Period of Record Statistics
MEAN 20.50 59.25 150.73 290.32 513.14 707.57 899.50 841.76 672.60 420.06 119.29 21.06 4745.64
S.D. 20.71 40.96 66.99 78.82 94.32 81.29 68.33 65.74 65.61 74.21 52.22 21.49 337.11
SKEW 1.22 1.14 0.37 0.06 0.12 0.03 0.33 -0.08 0.02 -0.03 0.37 1.47 -0.13
MAX 86.00 204.55 352.00 472.50 779.65 900.50 1071.00 1009.00 829.00 578.00 271.50 93.00 5438.00
MIN 0.00 0.50 33.00 50.36 312.50 483.00 727.50 663.40 540.50 235.50 17.00 0.00 3910.50
NO YRS 106 112 109 109 103 107 105 111 109 109 112 108 80