SANTAQUIN CHLORINATOR, UTAH

Monthly Total Growing Degree Days

(427686)

Base Temperature = 40 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 486.00 p 789.31 a 371.00 45.50 15.00 1220.81
1949 0.00 2.50 77.50 395.50 547.50 746.50 1084.50 1080.00 786.00 243.00 127.50 10.50 5101.00
1950 26.50 41.50 72.00 277.00 397.50 746.00 981.50 971.50 667.00 553.57 c 110.50 3.00 4847.57
1951 2.50 39.50 58.00 273.00 491.50 643.50 1040.00 955.50 711.50 274.00 20.00 0.50 4509.50
1952 1.00 0.00 12.00 284.00 586.50 816.00 987.50 1058.00 818.00 521.00 51.00 0.50 5135.50
1953 70.00 23.50 143.00 202.50 333.00 796.00 1132.50 1035.50 819.00 403.00 174.00 0.00 5132.00
1954 23.50 31.11 a 73.00 391.00 672.50 746.00 1149.50 1008.00 733.00 397.00 105.50 2.00 5332.11
1955 0.00 0.50 36.50 220.50 546.50 731.00 1037.00 1077.50 766.50 417.00 50.50 77.50 4961.00
1956 67.00 6.50 167.50 289.00 586.50 907.76 a 1080.50 966.00 809.00 407.50 36.00 10.00 5333.26
1957 6.00 42.50 100.50 195.00 433.50 757.50 1048.50 1063.00 730.50 344.50 9.50 10.00 4741.00
1958 3.50 63.00 28.00 184.50 717.50 888.50 1059.00 1105.50 758.50 453.00 122.50 22.50 5406.00
1959 20.00 7.50 67.00 331.00 434.50 919.50 1127.50 1017.00 621.50 366.00 69.00 0.00 4980.50
1960 5.00 5.00 158.50 318.50 550.00 872.00 1172.00 1033.00 833.50 377.00 100.50 4.50 5429.50
1961 2.00 32.50 65.50 252.00 590.00 981.50 1142.50 1036.00 559.00 306.00 14.00 6.00 4987.00
1962 1.50 40.00 32.50 353.00 535.50 779.48 a 1030.50 1022.00 809.50 445.00 170.50 10.50 5229.98
1963 7.50 61.00 83.50 175.50 659.00 675.00 1141.50 1094.00 808.00 571.00 106.00 0.00 5382.00
1964 0.00 0.00 15.50 172.50 500.00 661.03 a 1140.50 987.00 683.50 466.50 71.00 43.00 4740.53
1965 11.00 21.50 56.00 265.00 424.50 687.00 1023.00 918.00 529.50 422.50 183.50 24.69 d 4566.19
1966 0.50 0.00 155.00 263.00 662.00 819.50 1155.50 1032.50 765.00 296.00 148.50 8.50 5306.00
1967 12.00 8.50 152.00 174.00 459.00 645.00 1081.50 1083.50 754.00 402.50 145.00 0.00 4917.00
1968 0.50 26.50 119.00 134.00 455.50 762.93 a 1054.52 a 832.50 619.00 354.00 60.50 6.50 4425.45
1969 33.50 1.50 68.00 260.50 707.50 674.50 1090.50 1105.31 b 843.75 b 169.00 48.00 21.50 5023.56
1970 37.00 42.54 b 43.00 i 106.50 k 295.00 k 542.50 j 626.00 m 756.00 i 335.00 k 113.50 x 91.00 5.50 176.04
1971 20.00 10.00 120.00 228.50 493.00 820.00 c 1107.50 1058.98 c 529.14 a 273.12 b 51.67 c 10.00 4721.91
1972 11.37 a 103.50 174.50 j 273.00 607.08 a 850.50 1106.50 1023.50 663.50 391.00 16.00 t 10.00 5039.95
1973 0.50 16.00 24.00 172.50 432.00 h 795.50 1035.00 1021.28 d 613.50 406.50 127.00 7.00 4218.78
1974 10.50 3.50 183.00 213.00 618.50 966.50 1145.50 1031.50 729.00 380.50 56.50 6.50 5344.50
1975 6.50 6.00 69.75 a 103.00 380.00 686.00 1115.50 974.50 708.00 339.50 68.28 a 11.50 4468.53
1976 1.03 a 38.00 50.00 220.86 a 637.00 313.00 t 1069.50 868.00 a 651.67 c 242.50 j 82.00 k 1.00 3537.06
1977 0.00 f 0.00 f 0.00 g 0.00 z 644.50 1083.50 1104.50 995.50 681.50 392.50 48.50 23.50 4974.00
1978 3.00 15.00 118.50 211.00 448.00 950.50 1164.00 854.00 311.00 g 283.50 32.00 0.00 4079.50
1979 0.00 7.00 18.00 u 180.50 p 217.50 q 640.00 h 897.50 f 1020.86 b 868.50 517.00 33.10 a 10.00 2456.47
1980 16.00 46.61 a 30.40 e 265.00 g 343.50 i 601.00 g 727.50 k 676.00 j 515.00 g 216.00 j 70.00 p 14.00 s 93.01
1981 0.50 n 7.00 z 59.02 e 151.50 p 364.52 b 759.50 678.50 k 1032.50 706.61 b 147.54 d 100.56 c 20.50 3190.74
1982 5.00 t 19.00 n 88.50 173.00 460.50 681.50 931.50 514.50 l 366.92 d 146.50 17.07 a 27.56 d 2893.05
1983 10.50 15.50 44.50 117.60 e 401.50 727.76 a 1001.00 1054.50 766.00 377.50 147.50 1.55 a 4665.41
1984 0.00 0.00 19.50 166.00 610.00 676.50 1039.00 1012.00 694.00 258.50 67.50 0.00 4543.00
1985 0.00 0.00 61.00 380.00 604.50 818.50 1010.60 a 1005.00 610.00 333.00 51.00 0.00 4873.60
1986 16.00 109.00 239.00 234.83 a 513.50 924.00 1016.50 1088.50 571.50 315.00 68.00 2.00 5097.83
1987 9.00 22.00 81.50 408.50 598.00 871.00 1015.50 984.50 714.50 462.00 101.00 36.50 5304.00
1988 5.00 10.50 76.00 303.50 553.00 932.50 1169.00 1023.00 657.00 540.00 110.50 0.00 5380.00
1989 0.00 25.50 199.00 393.50 555.00 769.00 1170.50 1018.50 739.00 406.50 90.00 1.00 5367.50
1990 20.00 1.00 172.00 390.50 498.50 834.00 1104.00 1052.50 907.00 393.00 114.00 8.00 5494.50
1991 0.00 6.50 51.50 186.00 397.00 745.00 1115.00 1061.00 676.50 395.50 58.00 0.00 4692.00
1992 0.00 15.50 176.00 428.50 654.50 807.00 1006.50 1074.00 690.00 426.50 7.50 4.50 5290.50
1993 0.00 0.00 107.50 183.00 577.50 592.50 843.00 893.00 647.50 304.00 15.00 18.50 4181.50
1994 10.50 22.50 129.00 288.50 640.50 911.00 1163.50 1122.00 772.00 313.00 36.50 1.00 5410.00
1995 6.50 83.50 130.50 172.50 346.50 601.00 980.50 1043.50 750.00 285.50 133.00 45.50 4578.50
1996 12.00 9.00 117.50 240.00 534.50 901.50 1156.50 1057.00 655.50 395.00 87.50 22.00 5188.00
1997 19.00 6.50 166.50 193.50 610.50 814.50 997.00 1056.50 739.50 337.00 76.00 2.00 5018.50
1998 34.00 17.00 139.00 181.00 519.50 639.50 1172.00 1101.00 810.00 367.00 119.50 34.50 5134.00
1999 23.50 34.50 214.50 190.00 461.00 785.00 1105.50 1086.00 699.00 474.50 277.00 13.00 5363.50
2000 60.50 54.00 90.00 389.00 629.00 898.00 1245.00 1182.00 789.50 359.00 2.00 0.50 5698.50
2001 3.50 26.50 181.00 302.50 693.50 902.50 1203.50 1174.50 923.00 488.50 169.50 0.00 6068.50
2002 9.00 0.00 56.50 374.00 598.00 924.00 1270.50 1099.00 714.50 271.50 22.00 3.00 5342.00
2003 27.00 26.50 135.50 284.00 585.00 865.00 1311.00 1192.50 751.00 579.50 30.00 15.00 5802.00
2004 0.00 7.00 258.00 360.00 595.50 873.00 1154.50 1007.00 747.00 385.50 64.50 16.50 5468.50
2005 14.00 7.50 99.00 231.50 543.50 711.00 1216.00 1113.00 729.50 399.50 133.50 19.50 5217.50
2006 9.00 26.50 61.00 347.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 443.50
Period of Record Statistics
MEAN 12.52 23.08 101.65 259.46 540.81 799.50 1094.45 1034.49 717.93 376.45 83.19 11.48 5089.38
S.D. 16.26 24.98 59.74 84.60 98.33 108.51 86.39 73.19 98.76 96.17 54.84 14.40 388.37
SKEW 2.04 1.66 0.61 0.31 -0.30 0.15 -0.12 -0.56 -0.79 -0.16 0.91 2.24 -0.11
MAX 70.00 109.00 258.00 428.50 717.50 1083.50 1311.00 1192.50 923.00 579.50 277.00 77.50 6068.50
MIN 0.00 0.00 12.00 103.00 333.00 592.50 843.00 832.50 366.92 146.50 2.00 0.00 4181.50
NO YRS 55 55 54 53 53 53 53 54 55 55 55 57 47