PROSSER, WASHINGTON

Monthly Total Growing Degree Days

(456763)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196301
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
1912 0.00 z 0.00 z 0.00 z 204.00 n 650.00 879.00 998.00 885.00 589.50 239.14 c 152.50 39.78 a 4432.93
1913 15.50 17.50 137.00 404.00 600.00 822.50 1027.81 b 1012.00 645.50 319.50 130.34 a 0.50 5132.16
1914 58.50 58.00 245.00 423.62 a 690.00 750.00 b 1083.97 a 988.68 c 453.50 g 343.50 f 136.73 d 0.00 4434.50
1915 0.00 33.00 247.00 462.00 615.50 816.50 688.00 i 1100.50 620.00 424.00 59.00 13.50 4391.00
1916 14.31 e 11.00 210.00 378.50 500.50 698.00 831.00 899.00 618.00 269.00 47.00 13.90 b 4490.20
1917 22.00 26.50 51.50 250.50 540.00 667.00 961.00 a 951.00 691.50 410.75 a 100.18 b 169.47 a 4841.40
1918 41.50 39.50 179.50 335.50 479.00 893.50 956.19 b 827.18 a 753.00 421.50 78.00 74.83 b 5079.20
1919 56.50 i 22.50 163.50 358.00 557.50 682.22 c 923.00 929.50 604.82 b 326.50 87.00 7.75 c 4662.29
1920 33.58 a 2.50 133.50 253.50 487.00 693.75 b 1044.00 917.00 625.34 a 341.00 59.50 36.50 4627.18
1921 29.00 68.00 212.00 315.00 612.50 821.00 916.00 927.50 530.00 432.50 107.50 58.00 5029.00
1922 0.00 3.77 b 87.00 251.50 543.02 a 911.50 1015.50 984.50 717.00 403.00 31.50 39.27 a 4987.55
1923 70.00 8.00 162.50 380.00 606.00 0.00 z 1027.50 985.00 722.50 386.50 106.00 24.50 4478.50
1924 33.00 117.50 157.50 367.00 760.50 832.00 993.50 924.00 712.20 e 395.25 a 91.55 a 0.00 z 5384.00
1925 57.50 147.50 196.00 f 446.50 662.50 835.50 1078.00 933.50 682.50 385.50 58.45 a 40.50 5327.95
1926 10.50 122.50 286.50 520.00 613.80 a 880.00 1055.00 938.78 a 515.17 a 432.93 b 139.44 c 34.88 c 5549.51
1927 19.52 d 72.07 a 32.00 x 257.00 f 320.00 l 818.08 d 991.50 944.00 643.50 399.00 218.04 b 28.00 4133.71
1928 16.53 a 4.83 b 250.58 a 257.50 g 731.50 797.00 1094.50 925.50 686.00 428.12 b 75.00 18.82 c 5028.39
1929 0.00 a 6.46 b 150.00 g 299.44 c 592.00 800.36 b 956.00 982.50 605.50 411.50 28.50 33.00 i 4682.26
1930 12.00 k 98.00 221.00 422.50 546.50 671.50 943.71 e 984.50 714.00 281.00 74.00 1.03 a 4957.74
1931 34.00 53.41 a 208.98 b 398.65 d 760.61 c 765.00 d 1033.00 960.48 a 672.00 388.53 a 91.50 4.50 5370.67
1932 9.30 a 99.95 a 222.00 422.00 594.00 865.00 c 903.00 936.00 720.00 431.50 180.52 a 36.37 e 5419.63
1933 58.68 c 51.69 b 151.12 c 360.00 459.83 a 492.00 k 1040.10 b 993.00 641.11 c 470.54 c 102.86 b 178.00 4506.94
1934 90.50 79.50 347.20 a 610.50 724.48 d 899.00 1091.00 1099.93 d 630.50 441.75 a 184.50 34.21 b 6233.06
1935 63.00 22.00 117.50 300.00 b 610.70 a 783.00 984.50 889.00 766.00 349.78 a 0.00 z 9.82 a 4895.30
1936 44.84 c 0.00 c 179.50 529.50 744.52 a 855.50 993.50 954.00 664.00 462.93 a 12.00 72.00 5512.29
1937 0.00 c 35.26 a 227.33 a 355.71 b 621.50 802.50 1062.50 858.50 736.00 508.40 a 158.00 44.50 5410.21
1938 34.50 18.50 164.82 a 411.35 d 616.50 867.00 1070.53 a 903.00 830.50 401.93 b 76.50 66.50 5461.63
1939 51.50 17.77 b 242.00 458.04 b 701.50 754.00 1016.00 979.00 742.50 437.74 b 73.50 96.74 b 5570.29
1940 0.00 60.07 a 284.50 409.50 696.50 946.50 1117.50 1011.50 882.00 148.00 s 33.00 16.02 a 5457.09
1941 11.50 23.00 301.00 471.50 604.50 837.00 1192.50 952.50 607.00 362.00 136.00 63.00 5561.50
1942 0.00 26.50 142.94 d 416.90 a 576.00 695.36 b 1018.50 1029.50 725.00 391.00 43.50 9.00 5074.20
1943 2.14 b 21.00 d 153.00 429.50 506.50 697.00 993.00 876.50 765.00 347.00 36.50 36.17 a 4863.30
1944 4.00 12.00 130.20 a 217.00 i 587.97 a 766.50 986.00 886.08 a 725.50 449.00 63.50 8.50 4619.25
1945 44.00 73.50 92.50 h 283.50 658.00 735.50 1004.00 963.50 631.00 420.00 114.00 24.50 4951.50
1946 3.50 w 51.00 177.50 383.00 669.82 c 0.00 z 966.34 b 941.00 660.00 a 286.00 49.82 b 90.33 b 4274.81
1947 35.02 d 81.00 273.50 461.50 781.00 746.79 b 972.00 877.82 a 733.00 426.77 a 92.00 19.08 e 5499.46
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 909.00 897.50 899.00 b 660.50 317.48 b 0.00 z 12.83 b 3696.31
1949 0.00 28.00 156.50 447.50 729.50 776.50 931.00 924.50 734.50 259.50 166.50 57.02 c 5211.02
1950 2.00 55.00 133.00 299.00 582.00 783.00 1020.50 988.00 721.55 a 353.00 130.50 73.50 5141.05
1951 40.50 51.00 101.27 a 410.17 a 648.50 821.00 1011.50 945.50 736.50 349.50 72.50 g 22.50 5137.94
1952 5.00 44.50 158.50 464.50 667.00 788.50 1017.50 957.00 755.00 470.00 12.00 23.00 5362.50
1953 203.88 e 111.50 212.00 342.00 553.00 673.50 996.00 962.00 745.50 426.50 153.50 63.66 c 5443.05
1954 44.50 93.50 115.00 371.00 653.50 724.00 957.50 620.50 i 672.00 302.50 204.00 26.50 4164.00
1955 1.00 31.50 89.00 231.50 548.00 846.50 982.24 d 992.57 d 716.00 428.83 a 89.50 19.00 4975.65
1956 14.00 21.00 177.50 454.50 747.00 738.00 1073.50 964.00 725.50 369.00 75.50 71.50 h 5359.50
1957 0.00 62.00 159.00 412.00 776.00 845.00 926.50 866.00 758.00 332.00 79.50 96.62 a 5312.62
1958 83.00 167.50 154.50 345.00 826.50 926.50 1130.00 1062.00 702.00 428.83 a 167.50 46.50 6039.83
1959 45.00 40.00 199.50 427.00 542.50 618.00 g 1060.89 d 872.00 656.50 413.00 116.00 35.00 4407.39
1960 0.00 53.50 255.00 398.00 529.98 e 822.00 1108.00 886.50 722.00 467.77 c 129.50 4.50 5376.75
1961 81.63 a 178.89 a 222.50 381.00 615.35 a 934.00 1083.00 1098.00 641.50 338.00 27.00 53.00 5653.87
1962 50.50 63.00 134.00 470.50 530.00 767.00 791.00 f 910.92 e 762.32 b 399.00 181.50 47.50 4316.24
1963 25.00 q 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
Period of Record Statistics
MEAN 32.07 52.78 185.21 391.79 625.52 800.84 1010.93 949.58 690.33 386.46 99.18 41.49 5293.88
S.D. 36.62 43.02 62.55 77.98 88.61 76.08 68.40 61.15 68.86 61.04 52.39 37.86 378.38
SKEW 2.38 1.14 0.34 0.06 0.27 -0.03 0.03 0.64 -0.09 -0.53 0.34 1.84 0.20
MAX 203.88 178.89 347.20 610.50 826.50 946.50 1192.50 1100.50 882.00 508.40 218.04 178.00 6233.06
MIN 0.00 0.00 51.50 231.50 459.83 667.00 831.00 827.18 515.17 239.14 12.00 0.00 4490.20
NO YRS 46 49 45 46 49 47 49 50 50 49 48 48 28