MERIDIAN 1 SSW, IDAHO

Monthly Total Growing Degree Days

(105841)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196003
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
1911 7.50 1.50 171.50 256.50 445.37 a 776.90 a 1009.00 871.50 579.50 263.00 43.50 0.00 4425.76
1912 1.50 18.00 71.00 276.50 507.00 794.00 864.00 850.50 511.50 258.00 121.50 1.00 4274.50
1913 2.50 2.50 61.50 314.00 595.00 765.00 925.00 993.50 656.50 234.00 114.00 0.00 4663.50
1914 16.50 29.00 170.00 335.69 a 640.00 678.00 1041.50 942.00 583.50 407.00 71.00 0.00 4914.19
1915 0.00 h 20.50 i 201.00 443.00 454.50 603.50 872.50 1074.00 548.00 375.00 66.00 19.50 4657.00
1916 2.00 6.00 183.00 319.00 371.00 590.50 864.50 864.79 b 576.00 201.50 43.00 6.00 4027.29
1917 0.00 3.00 22.50 199.00 445.50 636.50 1079.00 989.00 719.50 334.50 106.50 105.00 4640.00
1918 3.00 14.50 183.50 252.50 440.00 956.50 1014.50 830.50 728.00 395.50 50.00 4.00 4872.50
1919 36.50 8.00 121.50 334.00 580.00 766.50 1062.00 1020.50 635.00 183.50 29.00 0.00 4776.50
1920 13.50 3.50 89.79 b 200.00 429.23 e 509.50 i 1111.35 a 974.50 645.52 a 260.40 a 68.50 7.75 a 3804.04
1921 15.50 a 18.50 157.00 214.00 520.50 831.00 1015.25 c 1010.50 465.56 c 378.72 a 120.00 9.50 4756.02
1922 0.00 0.00 75.50 164.50 485.00 844.82 b 1015.50 1053.00 717.50 474.50 28.50 11.50 4870.32
1923 21.00 4.00 82.15 a 288.50 503.50 666.00 1052.50 982.00 707.50 307.50 61.00 6.00 4681.65
1924 0.00 c 48.00 36.00 273.00 700.00 789.50 1026.00 941.00 737.40 e 401.00 101.00 0.00 5052.90
1925 0.50 70.50 182.50 406.50 646.87 a 787.50 1141.50 930.00 630.00 274.50 55.00 14.50 5139.87
1926 0.00 48.00 168.00 472.50 572.00 871.50 1155.00 987.00 509.50 427.50 134.00 36.00 5381.00
1927 4.00 44.00 89.50 234.50 424.50 727.50 964.50 847.00 543.00 348.50 158.00 8.00 4393.00
1928 0.00 0.00 207.00 274.00 760.00 745.00 1028.50 892.50 680.00 380.50 117.00 16.00 5100.50
1929 0.00 0.00 149.50 249.50 550.50 717.00 1031.50 1063.50 525.00 387.00 16.50 124.00 4814.00
1930 5.50 80.00 204.50 514.00 596.50 780.50 1122.00 1084.50 699.00 294.00 60.50 0.00 5441.00
1931 0.00 16.00 179.00 351.50 675.50 861.50 1102.50 989.00 670.00 383.50 102.00 1.50 5332.00
1932 0.00 0.00 z 3.50 q 353.04 b 575.00 793.50 0.00 z 514.50 m 695.00 323.95 a 69.50 7.00 2816.99
1933 0.00 0.00 73.50 268.00 439.00 835.50 1009.00 876.50 546.50 450.50 56.50 60.50 g 4555.00
1934 36.50 94.50 307.00 495.00 745.50 741.50 327.50 w 1011.00 625.00 427.50 203.00 5.50 4692.00
1935 2.00 7.50 65.00 229.14 a 492.00 772.76 a 1019.26 b 922.85 e 752.00 408.37 e 5.50 3.50 4679.87
1936 1.00 3.50 20.00 397.50 g 679.86 b 837.86 b 1084.43 d 1015.50 609.31 a 419.00 3.50 30.45 c 4704.40
1937 0.00 1.00 145.50 256.00 614.00 736.50 1081.50 913.00 718.50 429.35 a 133.50 25.26 d 5054.11
1938 3.00 54.50 91.00 328.50 480.00 797.50 1025.77 c 652.50 i 800.00 415.50 16.50 1.00 4013.27
1939 4.00 0.00 180.00 412.20 e 657.50 706.00 1080.57 c 1009.05 a 703.50 388.00 53.00 107.00 5300.82
1940 15.50 58.50 210.50 352.00 699.00 911.00 1082.50 1030.50 721.00 463.97 a 34.20 e 36.00 f 5578.67
1941 0.50 37.00 160.34 b 332.78 c 609.50 731.00 1086.00 908.82 a 513.46 d 308.85 d 115.00 51.50 4854.75
1942 1.00 3.50 66.50 354.00 415.50 598.50 1016.50 932.50 620.50 375.50 73.50 5.00 4462.50
1943 5.50 15.00 98.50 448.00 423.50 615.00 933.00 881.00 533.00 i 404.66 c 43.97 a 8.78 a 3876.91
1944 0.00 12.00 60.00 288.00 524.50 622.50 902.50 870.00 660.00 496.50 73.00 6.00 4515.00
1945 15.00 34.00 101.50 235.50 524.50 624.50 981.00 932.00 556.00 452.00 72.00 24.00 4552.00
1946 0.00 11.00 151.00 352.00 542.00 715.00 974.50 934.00 585.50 184.00 35.00 45.50 4529.50
1947 1.50 27.00 185.00 279.50 651.00 611.50 982.50 896.00 606.50 437.00 39.00 1.50 4718.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 845.00 602.00 320.85 a 44.50 0.00 1812.35
1949 0.00 9.00 109.00 387.50 639.00 723.00 959.50 919.00 675.50 173.50 95.50 4.50 l 4690.50
1950 6.00 43.50 67.50 253.00 421.50 654.50 926.00 894.00 626.00 444.00 107.00 6.50 4449.50
1951 8.00 37.00 47.00 289.00 461.50 587.50 956.00 824.50 541.50 220.50 23.00 6.00 4001.50
1952 0.00 0.50 36.50 315.00 541.00 708.00 925.50 981.50 746.50 508.00 33.00 e 12.50 4808.00
1953 120.50 45.00 139.50 255.50 411.00 579.11 b 1004.50 915.00 696.00 368.50 171.21 a 3.50 4709.31
1954 43.50 63.50 74.50 325.50 580.06 e 635.50 1013.50 812.00 584.50 274.50 99.50 11.50 4518.06
1955 0.00 0.00 39.50 183.50 479.50 770.00 917.50 976.50 598.50 373.50 45.50 59.42 a 4443.42
1956 22.50 22.00 164.00 337.00 608.00 716.50 1000.00 856.50 644.50 308.00 33.50 15.00 4727.50
1957 0.00 26.50 116.50 269.50 579.00 759.00 947.50 877.50 702.50 282.50 18.50 k 35.17 e 4595.67
1958 5.50 86.50 75.43 a 240.50 717.00 771.00 993.50 1043.27 e 643.00 404.00 116.50 3.74 b 5099.94
1959 54.00 28.00 88.50 346.00 438.50 822.93 a 1038.50 690.00 g 583.50 332.50 30.50 i 0.00 3732.43
1960 0.00 3.50 17.50 w 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 3.50
Period of Record Statistics
MEAN 9.90 24.23 120.83 309.75 547.73 735.45 1009.55 940.61 633.84 354.38 73.67 18.38 4749.45
S.D. 20.48 25.73 62.64 80.78 101.60 91.56 71.88 72.91 77.12 85.70 45.11 28.82 346.92
SKEW 3.74 1.08 0.46 0.64 0.27 0.07 -0.14 0.16 -0.08 -0.43 0.71 2.40 0.04
MAX 120.50 94.50 307.00 514.00 760.00 956.50 1155.00 1084.50 800.00 508.00 203.00 124.00 5441.00
MIN 0.00 0.00 20.00 164.50 371.00 579.11 864.00 812.00 465.56 173.50 3.50 0.00 4001.50
NO YRS 48 47 47 47 48 47 46 46 48 49 47 46 36