WAUBAY NWR, SOUTH DAKOTA

Monthly Total Growing Degree Days

(398980)

Base Temperature = 40 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
1952 0.00 z 0.00 z 0.00 z 0.00 z 337.00 h 850.34 a 990.81 e 938.50 744.83 a 206.48 c 37.24 a 0.00 a 3768.20
1953 0.00 d 0.00 18.00 63.10 a 467.00 777.60 e 957.79 b 953.52 b 490.50 j 479.98 a 84.00 0.00 3801.00
1954 0.00 b 0.58 d 1.55 a 206.11 c 369.42 a 762.00 1033.00 927.50 566.50 208.00 38.50 n 0.00 c 4074.66
1955 0.00 a 0.00 22.73 a 360.00 690.50 347.50 q 444.00 r 475.50 p 621.43 b 353.50 11.50 0.00 2059.66
1956 0.00 0.00 2.07 a 44.00 507.00 917.22 c 874.20 a 903.50 559.50 438.50 26.90 a 0.00 4272.89
1957 0.00 0.00 5.00 234.50 437.00 712.50 1085.52 a 912.50 503.00 219.98 e 12.00 0.00 d 4122.00
1958 0.00 a 19.50 5.68 a 161.00 600.50 605.00 860.50 983.00 677.00 329.67 e 32.50 0.00 4274.36
1959 0.00 b 0.00 21.50 175.18 b 502.50 880.00 992.00 1061.00 623.79 a 125.11 c 0.00 a 0.00 a 4381.08
1960 0.00 b 0.00 0.00 158.28 a 499.50 667.50 b 967.89 d 912.78 d 629.48 a 261.29 c 12.22 c 0.00 a 4108.93
1961 0.00 a 0.00 24.59 b 76.00 406.00 859.44 c 907.55 b 1018.35 a 512.00 266.08 a 11.50 g 0.00 b 4070.02
1962 0.00 a 0.00 3.10 a 179.48 a 533.20 a 725.69 a 849.83 b 922.25 c 511.50 335.83 a 28.45 a 11.48 d 4100.81
1963 0.00 0.00 98.00 223.00 494.50 881.50 986.32 a 920.91 b 690.00 551.50 41.25 b 0.00 d 4886.98
1964 0.00 a 0.00 a 0.00 a 226.03 a 600.50 800.50 849.00 f 827.50 535.18 b 271.50 80.36 b 0.00 f 3341.57
1965 0.00 a 0.00 0.00 123.00 523.00 746.90 a 953.50 893.83 a 294.50 335.12 b 58.20 e 0.00 d 3928.05
1966 0.00 0.00 56.50 60.00 a 426.00 773.00 1097.50 809.50 564.00 251.50 0.50 0.00 c 4038.50
1967 0.00 0.00 64.50 158.50 394.73 a 706.50 892.05 b 872.65 a 611.50 251.00 10.50 0.00 d 3961.94
1968 0.00 b 0.00 128.00 198.00 387.50 800.00 928.50 931.00 599.00 274.50 12.50 0.00 4259.00
1969 0.00 0.00 0.00 211.50 554.00 591.43 b 892.00 1009.57 a 671.79 b 134.50 34.50 0.50 4099.78
1970 0.00 b 0.00 0.00 140.50 532.00 879.83 a 1076.39 d 973.92 a 623.00 276.50 0.54 b 0.00 4502.67
1971 0.00 0.00 34.00 266.50 441.48 b 868.00 845.00 964.62 a 617.00 326.50 22.00 0.00 4385.10
1972 0.00 0.00 4.50 103.50 585.38 a 778.45 a 896.50 942.00 549.83 a 217.00 3.62 a 0.00 4080.78
1973 0.00 0.00 28.50 149.00 501.00 798.50 976.50 a 1073.50 554.50 416.00 10.50 0.00 4508.00
1974 0.00 0.00 6.50 189.00 411.50 778.00 1122.50 864.38 a 546.00 352.22 b 24.00 0.00 4294.11
1975 0.00 0.00 5.68 a 41.50 569.76 b 777.50 1091.50 909.00 528.50 319.09 b 102.50 0.00 c 4345.03
1976 0.00 0.00 57.50 223.39 b 490.32 a 854.48 a 1074.67 a 1041.27 c 611.67 c 198.06 d 7.50 0.00 4558.85
1977 0.00 a 0.00 a 35.00 350.00 773.50 807.50 1013.00 756.92 a 593.00 238.18 a 49.00 0.00 4616.10
1978 0.00 0.00 18.00 118.50 562.00 775.86 a 938.78 a 965.00 751.00 262.50 80.50 0.00 4472.15
1979 0.00 a 0.00 a 0.00 96.50 350.00 745.00 937.50 839.00 697.50 216.00 15.50 0.50 3897.50
1980 0.00 0.00 0.00 281.50 639.00 791.50 1007.00 903.50 610.50 221.50 49.00 2.50 4506.00
1981 9.00 15.50 0.00 z 327.00 509.00 729.50 984.50 934.13 a 614.50 224.20 c 46.50 l 0.00 j 4347.33
1982 0.00 m 0.00 0.50 187.50 544.00 630.50 1022.00 913.00 553.50 212.00 2.50 5.00 4070.50
1983 0.00 0.00 6.00 90.00 437.00 760.00 1093.00 1125.50 620.00 213.00 31.00 0.00 4375.50
1984 0.00 0.00 0.00 116.50 465.00 776.50 968.00 993.50 456.50 291.50 27.00 0.00 4094.50
1985 0.00 2.00 30.50 314.00 0.00 z 698.00 992.00 777.50 491.00 214.00 15.00 0.00 3534.00
1986 0.00 0.00 64.00 191.00 541.00 821.50 973.00 797.50 518.00 287.00 8.50 0.00 4201.50
1987 3.50 2.50 33.50 414.00 689.00 900.00 1064.50 868.50 657.50 179.00 62.00 0.00 4874.00
1988 0.00 0.00 16.00 237.50 729.00 1032.50 1095.50 995.00 599.48 a 187.03 a 8.00 0.00 4900.02
1989 0.00 0.00 20.00 184.50 535.50 732.00 1081.50 923.50 584.00 289.00 8.50 0.00 a 4358.50
1990 0.00 0.00 47.00 240.00 481.50 782.50 920.00 901.50 725.00 245.50 64.50 1.00 4408.50
1991 0.00 4.50 29.00 248.50 610.50 888.00 947.50 961.00 569.50 260.50 2.50 0.00 4521.50
1992 0.00 0.00 a 19.12 a 149.50 593.00 685.50 708.50 763.00 594.00 278.00 0.00 0.00 3790.62
1993 0.00 0.00 17.50 117.50 522.50 674.50 841.00 911.00 491.50 263.00 0.00 0.00 3838.50
1994 0.00 0.00 10.00 188.50 641.50 844.00 883.50 864.50 707.00 344.00 37.00 0.00 4520.00
1995 0.00 0.00 40.00 46.00 455.50 852.00 962.00 1048.00 618.50 225.00 0.00 0.00 l 4247.00
1996 0.00 0.00 2.00 84.00 410.00 841.50 907.00 964.50 603.50 286.50 2.50 0.00 4101.50
1997 0.00 0.00 2.00 119.50 426.50 852.00 955.50 929.50 740.00 370.00 3.00 0.00 4398.00
1998 0.00 0.00 11.00 257.00 677.00 703.00 1034.00 1027.00 829.50 309.50 14.00 12.50 4874.50
1999 0.00 2.00 34.00 219.50 554.50 794.50 1040.00 969.50 581.00 274.00 118.50 5.68 a 4593.18
2000 0.00 13.00 82.00 188.00 588.50 759.00 992.50 987.00 649.50 361.00 41.00 0.00 4661.50
2001 0.00 0.00 0.00 157.50 566.50 790.00 1059.00 1035.50 660.50 273.00 175.50 0.00 4717.50
2002 2.00 1.00 0.00 165.00 408.00 902.00 1115.00 934.00 737.50 105.00 13.00 0.00 4382.50
2003 0.00 0.00 56.50 271.50 478.50 762.50 993.50 1054.00 626.00 402.00 10.00 0.00 4654.50
2004 0.00 0.00 55.00 246.50 463.00 685.00 930.00 784.50 745.00 300.00 55.00 0.00 4264.00
2005 0.00 2.00 34.50 292.00 266.00 j 869.50 1031.50 936.50 793.00 310.50 69.50 0.00 4339.00
2006 0.00 0.00 16.50 313.50 553.50 836.00 1137.50 989.50 523.50 222.50 52.00 0.00 4644.50
2007 0.00 0.00 0.00 z 217.50 650.00 859.50 1049.50 924.00 677.00 359.00 39.00 0.00 4775.50
2008 0.00 0.00 d 0.50 93.50 464.50 596.50 f 958.50 925.00 653.00 248.00 66.00 0.00 3409.00
2009 0.00 0.00 15.00 132.50 500.50 712.00 830.00 832.00 710.00 79.00 64.00 0.00 3875.00
2010 0.00 0.00 c 29.00 327.50 468.50 774.00 917.00 976.00 489.00 314.00 41.50 0.00 4336.50
2011 0.00 0.00 0.00 44.50 393.50 702.69 d 1057.50 962.55 a 609.00 362.50 23.00 0.00 4155.24
2012 0.00 0.00 184.00 257.00 600.50 863.50 1158.50 940.33 a 651.50 211.00 6.00 2.50 4874.83
2013 0.00 0.00 0.00 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
Period of Record Statistics
MEAN 0.24 1.03 25.79 187.60 520.80 786.87 982.23 932.99 611.27 276.03 32.88 0.72 4354.52
S.D. 1.26 3.57 34.16 87.28 93.90 82.79 89.66 78.73 91.24 84.86 34.12 2.40 295.76
SKEW 6.07 4.08 2.43 0.30 0.48 0.03 -0.33 -0.19 -0.32 0.53 1.74 3.92 0.08
MAX 9.00 19.50 184.00 414.00 773.50 1032.50 1158.50 1125.50 829.50 551.50 175.50 12.50 4900.02
MIN 0.00 0.00 0.00 41.50 350.00 591.43 708.50 756.92 294.50 79.00 0.00 0.00 3790.62
NO YRS 60 61 58 60 58 59 59 60 60 61 58 58 48