VERNAL ARPT, UTAH

Monthly Total Growing Degree Days

(429111)

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
1928 0.00 0.00 36.00 134.00 575.00 589.00 852.00 761.50 512.50 209.00 3.50 0.00 3672.50
1929 0.00 0.00 0.00 91.00 396.00 645.50 922.50 853.00 525.00 280.50 0.00 a 13.50 3727.00
1930 0.00 0.50 11.50 305.50 328.50 722.50 934.50 819.50 530.50 176.50 2.50 0.00 3832.00
1931 0.00 0.00 20.50 206.00 396.50 765.00 987.00 836.00 566.00 284.68 a 24.00 0.00 4085.68
1932 0.00 0.00 10.33 a 168.50 482.50 640.50 855.00 834.50 577.00 192.50 11.00 0.00 3771.83
1933 0.00 0.00 31.50 107.00 301.50 813.00 992.50 788.50 691.03 a 342.07 b 5.50 0.00 4072.60
1934 0.00 3.00 117.00 348.00 700.50 691.50 977.50 952.50 520.50 309.00 55.86 a 0.00 4675.36
1935 0.00 0.50 2.00 136.50 357.50 760.00 942.50 884.50 627.50 281.50 1.50 0.00 3994.00
1936 0.00 z 0.50 l 14.00 392.50 732.00 0.00 z 607.00 n 924.50 599.00 227.50 0.50 0.00 e 2890.00
1937 0.00 0.00 1.00 151.50 557.50 632.00 939.50 883.50 635.50 319.00 110.50 0.00 4230.00
1938 0.00 0.00 20.50 232.50 414.50 765.50 854.00 846.50 645.00 290.00 3.00 0.00 4071.50
1939 0.00 0.00 49.08 a 0.00 z 0.00 z 601.00 947.50 878.50 612.00 202.50 17.50 0.00 3308.08
1940 0.00 0.00 67.00 162.50 g 569.50 820.00 974.00 921.50 622.00 274.00 3.00 0.00 4251.00
1941 0.00 0.00 41.00 122.00 507.50 643.50 904.00 844.00 476.00 178.50 23.00 0.00 3739.50
1942 0.00 0.00 1.50 215.00 364.00 603.00 889.50 0.00 z 547.00 287.50 0.50 0.00 2908.00
1943 0.00 1.00 51.00 336.50 392.00 538.00 843.50 0.00 z 0.00 z 0.00 z 0.00 g 0.00 a 2162.00
1944 0.00 0.00 0.00 79.00 443.00 590.50 850.50 808.00 586.50 297.17 b 27.50 0.00 3682.17
1945 0.00 0.00 a 11.50 108.50 450.50 465.00 890.50 837.00 447.00 223.50 12.41 a 0.00 3445.91
1946 0.00 0.50 62.50 408.60 e 347.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 818.60
1947 0.00 z 0.00 z 0.00 z 139.00 p 494.00 534.00 857.00 802.38 a 578.00 347.56 e 1.00 0.00 a 3613.94
1948 0.00 0.00 0.00 151.00 399.50 631.50 835.45 a 783.50 598.50 215.00 6.00 0.00 3620.45
1949 0.00 0.00 0.00 z 0.00 z 0.00 z 157.50 w 629.00 i 837.00 575.00 164.76 d 21.50 0.00 1598.26
1950 0.00 0.00 6.00 189.50 317.50 603.50 772.42 a 759.00 549.83 a 353.83 b 29.50 0.50 3581.57
1951 0.00 1.00 22.00 178.50 445.50 533.00 889.70 a 790.50 522.50 172.00 3.00 0.00 3557.70
1952 0.00 0.00 0.00 205.50 450.00 637.50 871.00 815.00 588.00 266.50 8.00 0.00 3841.50
1953 0.00 0.00 45.00 135.00 284.50 644.50 938.27 a 764.00 536.50 210.00 46.50 0.00 3604.27
1954 0.00 0.00 29.50 225.52 a 513.50 465.00 k 1004.73 c 835.50 621.72 a 273.50 18.00 0.00 3521.97
1955 0.00 0.00 0.50 127.00 458.00 663.50 966.00 939.00 635.50 285.50 7.50 b 8.00 4090.50
1956 0.00 0.00 56.50 219.50 588.50 796.50 943.95 a 815.50 626.50 270.00 1.00 0.00 4317.95
1957 0.00 0.00 44.00 163.50 418.00 709.66 a 929.50 875.50 514.00 248.00 7.00 0.00 3909.16
1958 0.00 24.00 35.00 135.52 a 592.50 775.50 851.47 a 947.50 611.50 280.00 50.50 4.50 4307.98
1959 0.00 0.00 22.50 224.50 455.50 791.50 923.50 860.50 517.00 204.50 12.50 0.00 4012.00
1960 0.00 0.00 71.50 233.00 474.00 778.50 989.50 886.00 708.00 264.00 21.00 0.00 4425.50
1961 0.00 1.50 52.00 188.00 513.50 825.50 961.50 958.00 417.00 188.50 0.00 0.00 4105.50
1962 0.00 3.00 12.00 294.50 469.65 a 732.50 917.00 847.50 615.50 312.00 33.00 0.00 4236.65
1963 0.00 6.00 53.00 174.50 580.00 695.00 979.00 914.00 663.00 402.50 27.50 0.00 4494.50
1964 0.00 0.00 11.00 167.00 473.78 a 662.22 c 1014.00 841.00 560.00 281.50 3.00 0.00 4013.51
1965 0.00 0.00 11.00 209.50 406.50 629.50 921.00 825.00 400.50 283.00 60.00 0.00 3746.00
1966 0.00 0.00 62.50 197.00 534.00 694.50 791.50 f 645.50 h 623.57 b 189.50 28.50 0.00 2329.57
1967 0.00 0.00 67.50 140.69 a 412.30 a 617.59 a 969.50 903.81 b 631.00 291.00 46.50 0.00 4079.89
1968 0.00 0.00 46.50 84.50 425.50 753.50 959.50 756.00 504.50 261.00 12.00 0.00 3803.00
1969 0.00 0.00 25.50 255.52 a 629.00 670.50 958.00 987.50 666.50 100.00 5.50 0.00 4298.02
1970 0.00 2.00 24.00 87.50 522.00 742.50 971.00 984.00 497.00 127.50 13.00 0.00 3970.50
1971 0.00 0.00 59.00 185.50 440.50 811.50 984.50 987.00 453.50 203.50 0.00 0.00 4125.00
1972 0.50 4.00 147.52 b 260.00 563.34 b 847.50 1003.50 946.50 605.00 297.60 a 2.50 0.00 4677.96
1973 0.00 0.00 12.50 158.00 508.00 747.00 962.50 971.33 d 538.00 254.50 20.50 0.00 4172.33
1974 0.00 0.00 106.00 181.00 612.00 851.50 1011.50 884.57 b 593.50 267.50 12.50 0.00 4520.07
1975 0.00 0.00 a 41.50 105.50 347.50 603.00 985.50 815.50 551.00 229.29 b 29.00 0.00 3707.79
1976 0.00 2.50 17.64 b 190.50 533.00 702.86 b 1024.50 863.50 609.00 187.50 33.50 0.00 4164.50
1977 0.00 d 5.50 15.50 343.00 432.50 892.50 962.50 919.48 c 658.39 b 286.00 33.00 1.00 4549.38
1978 0.00 0.00 117.00 267.50 432.50 789.50 1052.00 902.50 587.00 284.00 35.00 0.00 4467.00
1979 0.00 0.00 4.50 231.00 530.50 794.00 1039.00 904.00 745.00 307.50 1.50 0.00 4557.00
1980 0.00 0.00 9.00 237.00 471.00 806.00 1050.50 905.50 623.50 237.50 60.00 a 0.00 4400.00
1981 0.00 3.50 28.50 369.50 493.42 a 862.50 1043.50 950.00 717.50 198.50 37.22 c 0.00 4704.14
1982 0.00 8.50 23.50 152.50 496.00 724.50 987.00 1022.00 618.00 151.50 1.50 0.00 4185.00
1983 0.00 0.00 63.00 125.50 386.50 706.50 947.50 1028.00 690.50 289.50 47.00 0.00 4284.00
1984 0.00 0.00 2.50 150.00 594.50 707.00 1024.50 972.50 618.50 203.50 8.00 0.00 4281.00
1985 0.00 0.00 26.50 326.00 589.50 837.00 1035.00 921.00 473.00 208.00 18.00 0.00 4434.00
1986 0.00 34.00 155.50 203.00 414.50 821.00 865.00 909.00 474.00 198.00 7.50 0.00 4081.50
1987 0.00 0.00 22.00 276.72 a 521.50 795.50 894.50 806.00 598.50 303.50 48.00 0.00 4266.22
1988 0.00 0.00 70.50 352.00 535.50 837.00 997.00 900.00 555.50 396.00 31.50 0.00 4675.00
1989 0.00 0.00 127.50 332.50 526.50 709.00 1032.50 858.50 614.50 319.50 26.50 0.00 4547.00
1990 0.00 0.00 84.00 347.50 483.50 800.00 967.00 898.50 736.00 232.50 3.50 0.00 4552.50
1991 0.00 0.00 26.00 173.00 467.00 745.00 950.00 929.00 607.00 330.50 15.00 0.00 4242.50
1992 0.00 0.50 86.50 394.00 613.00 721.50 847.00 874.50 599.50 331.00 5.00 0.00 4472.50
1993 0.00 0.00 55.50 163.00 523.50 649.00 817.00 807.50 537.50 212.00 0.50 0.00 3765.50
1994 0.00 9.00 77.50 260.50 592.00 838.00 992.00 963.50 625.50 198.00 11.00 0.00 4567.00
1995 0.00 10.37 a 85.50 151.50 334.00 621.00 880.00 950.50 633.50 220.00 26.00 10.50 3922.87
1996 0.00 2.00 67.00 211.00 536.50 788.50 1011.00 926.50 551.50 271.50 17.00 0.00 4382.50
1997 0.00 0.00 88.50 145.50 500.50 771.50 904.50 893.00 631.50 242.50 9.00 0.00 4186.50
1998 0.00 0.00 73.50 162.50 499.50 605.00 1025.50 926.50 718.00 266.00 17.00 0.00 4293.50
1999 0.00 5.50 100.50 163.00 409.50 696.50 989.00 916.50 520.50 282.00 40.00 0.00 4123.00
2000 2.00 2.50 65.50 336.11 c 629.82 a 775.18 b 1028.00 1005.50 609.50 222.17 a 0.00 c 0.00 b 4676.27
2001 0.00 0.00 93.50 279.50 580.50 824.50 1009.05 a 968.48 b 687.22 c 321.50 62.00 0.00 4826.25
2002 0.00 0.00 56.00 337.00 560.50 866.50 1098.50 945.50 599.50 189.50 2.00 0.00 4655.00
2003 0.00 3.00 83.50 286.00 105.00 r 714.50 1089.50 998.50 625.00 458.00 0.50 0.00 4258.50
2004 0.00 0.00 214.00 314.50 546.00 765.50 975.50 874.50 613.50 286.50 21.50 0.00 4611.50
2005 0.00 0.00 57.50 235.50 495.50 612.50 983.06 e 707.00 f 608.00 345.00 60.00 0.50 3397.56
2006 0.00 5.50 40.00 294.00 610.50 856.55 a 683.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1806.55
Period of Record Statistics
MEAN 0.03 1.81 47.40 216.40 486.62 718.73 952.01 886.94 588.27 257.88 19.82 0.50 4168.07
S.D. 0.23 5.06 41.45 84.66 92.37 94.88 67.99 68.02 71.53 63.86 20.55 2.17 346.08
SKEW 7.95 4.64 1.34 0.49 0.06 -0.33 -0.32 -0.01 -0.27 0.28 1.61 4.74 -0.14
MAX 2.00 34.00 214.00 408.60 732.00 892.50 1098.50 1028.00 745.00 458.00 110.50 13.50 4826.25
MIN 0.00 0.00 0.00 79.00 284.50 465.00 772.42 756.00 400.50 100.00 0.00 0.00 3445.91
NO YRS 77 77 77 75 76 75 74 73 76 76 76 77 66