TOWER FALLS, WYOMING

Monthly Total Growing Degree Days

(489025)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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 548.00 327.12 d 90.02 e 0.00 h 0.00 b 965.13
1949 0.00 b 0.00 1.07 b 25.50 l 235.60 a 343.00 585.26 b 594.50 198.50 i 18.94 d 0.60 e 0.00 d 1778.97
1950 0.00 1.56 a 3.88 c 9.00 m 89.68 c 290.36 b 460.00 460.00 198.50 l 106.71 e 0.00 a 0.00 c 1412.18
1951 0.00 1.56 a 0.00 q 15.00 f 158.00 f 207.60 e 540.00 469.00 204.81 d 45.90 e 0.00 e 0.00 c 1468.87
1952 0.00 d 0.00 a 0.00 a 56.00 h 127.00 g 368.79 a 478.00 502.00 358.00 67.50 h 0.00 c 0.00 c 1706.79
1953 0.00 a 0.50 3.10 a 31.15 d 165.50 h 340.50 660.50 586.50 337.50 d 131.46 d 8.50 f 0.00 d 2091.22
1954 0.00 a 0.00 a 2.58 a 29.42 d 164.00 h 244.50 631.00 478.50 228.00 h 23.00 h 0.00 h 0.00 f 1386.01
1955 0.00 b 0.00 0.00 a 8.08 d 88.00 h 288.10 a 574.00 632.00 276.67 c 69.50 i 0.00 e 0.00 e 1778.85
1956 0.00 0.00 8.00 21.92 d 180.00 i 414.44 c 591.50 488.50 296.11 c 66.77 e 0.00 r 0.00 1887.25
1957 0.00 a 0.00 1.50 15.00 191.50 351.00 554.50 539.29 b 167.50 g 56.00 0.00 c 0.00 n 1708.79
1958 0.00 g 0.50 0.00 j 5.50 276.93 a 356.54 d 460.50 596.50 287.14 b 127.50 0.00 0.00 m 2111.11
1959 0.00 i 0.00 0.00 31.07 b 72.50 447.50 620.50 564.50 292.00 43.50 0.00 h 0.00 d 2071.57
1960 0.00 d 0.00 b 0.00 k 31.00 129.68 a 368.57 b 627.00 518.50 312.22 c 46.00 k 0.00 g 0.00 c 1986.98
1961 0.00 g 0.00 b 2.14 b 22.00 167.29 b 473.50 611.00 635.00 148.93 b 53.45 b 0.00 0.00 2113.31
1962 0.00 0.00 b 1.60 b 41.50 186.55 c 370.50 505.00 484.00 294.50 97.13 a 3.21 b 0.00 1984.00
1963 0.00 d 0.00 b 0.00 c 23.00 180.50 338.50 561.00 589.00 420.00 a 138.39 c 2.00 0.00 y 2252.39
1964 0.00 a 0.00 0.00 11.54 d 154.50 286.00 607.00 443.50 121.50 i 62.00 k 0.00 h 0.00 f 1502.54
1965 0.00 0.00 e 1.50 12.32 b 76.00 281.67 c 495.00 425.00 80.69 a 52.00 0.00 b 0.00 b 1424.18
1966 0.00 0.00 c 0.00 m 12.32 b 250.77 c 303.50 659.50 531.00 356.40 e 25.32 a 0.00 i 0.00 f 2138.81
1967 0.00 i 0.00 g 0.00 s 0.00 b 163.55 b 322.50 576.00 568.00 379.50 49.00 p 8.00 i 0.00 2009.55
1968 0.00 0.00 10.00 7.50 33.00 s 343.50 593.00 445.50 248.50 64.50 0.00 0.00 1712.50
1969 0.00 0.00 0.00 50.00 233.50 278.00 562.00 631.50 371.00 18.00 0.00 0.00 2144.00
1970 0.00 a 0.00 j 0.00 f 0.00 d 192.00 423.00 606.00 630.50 164.50 41.00 0.00 v 0.00 2057.00
1971 0.00 0.00 0.00 0.00 z 243.19 b 136.50 s 513.50 652.50 197.50 84.50 0.00 0.00 t 1691.19
1972 0.00 i 0.00 14.31 e 25.50 165.16 b 373.50 467.50 556.50 232.24 a 65.21 b 0.00 0.00 c 1899.91
1973 0.00 d 0.00 0.00 1.55 a 140.50 389.48 a 586.50 552.00 255.50 100.00 6.72 a 0.00 b 2032.26
1974 4.50 f 0.00 a 4.28 b 56.11 c 129.50 i 457.50 647.00 485.00 288.62 a 100.46 d 0.00 h 0.00 q 2038.97
1975 0.00 t 0.00 f 0.00 q 0.00 m 111.27 c 294.50 644.00 497.00 357.00 117.50 0.00 f 0.00 y 2021.27
1976 0.00 l 0.00 h 2.00 m 7.50 u 224.20 c 182.00 r 641.50 344.00 j 85.50 s 21.50 0.00 g 0.00 x 887.20
1977 0.00 i 0.00 o 3.00 l 44.50 i 148.36 c 445.00 388.00 i 77.50 z 99.50 u 1.00 z 4.00 v 0.00 s 593.36
1978 0.00 m 0.00 m 9.50 m 18.00 h 104.76 b 321.00 376.50 g 227.50 n 0.00 z 0.00 z 0.00 q 0.00 p 425.76
1979 0.00 c 0.00 d 0.00 e 16.80 e 144.00 h 344.42 d 574.03 b 554.26 b 247.50 f 115.06 e 0.00 i 0.00 i 1604.57
1980 0.00 m 0.00 m 0.00 u 76.11 c 228.92 e 256.50 l 600.50 446.29 b 0.00 z 58.50 p 7.50 0.00 d 1359.33
1981 0.00 d 0.00 e 0.00 i 0.00 z 0.00 z 0.00 z 0.00 z 626.50 0.00 z 0.00 z 0.00 z 0.00 f 626.50
1982 0.00 k 0.00 z 0.00 z 0.00 z 0.00 z 305.50 469.43 c 0.00 z 0.00 z 0.00 z 0.00 0.00 774.93
1983 0.00 z 0.00 0.00 h 17.00 0.00 z 158.50 k 457.00 506.00 255.50 63.50 16.50 0.00 1315.50
1984 0.00 0.00 a 0.00 25.00 142.50 0.00 z 606.00 545.94 d 209.00 68.00 0.00 0.00 1596.44
1985 0.00 0.00 0.00 51.50 215.50 374.50 622.00 427.00 189.00 24.50 4.50 0.00 1908.50
1986 0.00 7.00 6.00 36.50 j 186.50 472.50 0.00 z 543.00 156.00 26.00 0.00 a 0.00 1397.00
1987 0.00 0.00 0.50 98.00 264.50 377.50 481.00 457.50 310.00 65.50 5.00 0.00 2059.50
1988 0.00 0.00 0.00 56.00 203.00 529.00 648.00 502.00 217.50 155.00 4.50 0.00 2315.00
1989 0.00 0.00 4.00 49.82 b 138.00 359.50 651.00 484.00 273.50 81.00 0.00 0.00 2040.82
1990 0.00 0.00 0.00 58.00 107.50 336.72 a 554.50 567.50 421.50 68.50 7.00 0.00 2121.22
1991 0.00 0.00 0.00 10.50 149.00 384.50 594.50 610.00 261.00 83.00 0.00 0.00 2092.50
1992 0.00 0.00 0.00 91.00 268.00 370.50 409.50 472.50 206.00 87.50 0.00 0.00 1905.00
1993 0.00 0.00 0.00 10.50 252.00 290.00 349.00 421.50 222.00 98.00 0.00 0.00 1643.00
1994 0.00 0.00 3.00 76.50 255.50 388.00 528.00 586.50 301.00 56.50 0.00 0.00 2195.00
1995 0.00 1.00 2.50 20.00 127.00 405.00 641.00 605.00 325.50 26.00 0.00 1.00 2154.00
1996 0.00 0.00 0.00 37.50 105.50 428.00 622.50 553.00 227.00 123.50 0.00 0.00 2097.00
1997 0.00 0.00 0.50 2.50 209.50 502.50 630.50 591.50 360.50 78.50 0.00 0.00 2376.00
1998 0.00 0.00 1.00 36.50 184.97 a 222.50 682.00 614.00 416.00 0.00 z 0.00 0.00 2156.97
1999 0.00 0.00 1.50 20.50 138.50 270.50 468.10 a 563.00 137.00 50.78 b 4.50 0.00 1654.38
2000 0.00 0.00 0.00 35.89 b 143.63 a 257.50 524.00 505.00 276.50 45.43 b 0.00 a 0.00 1787.96
2001 0.00 0.00 0.50 65.00 239.00 413.50 660.50 666.00 388.00 74.50 0.00 0.00 2507.00
2002 0.00 0.00 0.00 32.50 156.00 401.00 706.50 472.00 313.50 10.00 0.00 0.00 2091.50
2003 0.00 0.00 1.50 47.50 194.00 302.50 689.50 654.50 239.00 132.00 0.00 0.00 2260.50
2004 0.00 0.00 27.50 85.50 178.50 373.00 607.50 518.50 279.50 83.00 0.50 0.00 2153.50
2005 0.00 0.00 2.00 33.50 173.50 316.50 630.50 518.00 246.50 84.00 5.00 0.00 z 2009.50
2006 0.00 0.00 0.00 38.50 209.00 430.00 652.00 511.50 278.00 61.00 12.00 0.00 a 2192.00
2007 0.00 0.00 25.50 71.00 262.50 452.50 841.00 621.50 344.50 45.00 5.50 0.00 2669.00
2008 0.00 0.00 0.00 b 15.00 134.00 310.50 570.00 591.00 245.00 83.00 9.00 0.00 1957.50
2009 0.00 0.00 0.00 25.50 216.00 294.00 537.50 534.00 420.00 20.50 2.50 0.00 z 2050.00
2010 0.00 0.00 2.00 64.50 90.00 355.00 572.50 553.00 326.50 155.00 20.00 0.00 2138.50
2011 0.00 0.00 0.00 6.21 a 100.50 334.50 650.00 660.50 386.50 125.03 a 0.00 0.00 b 2263.24
2012 0.00 0.00 a 15.50 125.00 179.50 436.50 729.00 658.00 408.50 63.00 8.00 0.00 2623.00
2013 0.00 0.00 1.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.00
Period of Record Statistics
MEAN 0.00 0.21 2.91 35.30 176.74 357.94 583.62 544.99 285.40 73.93 2.59 0.02 2099.65
S.D. 0.00 0.97 5.88 27.97 55.10 69.47 83.93 67.44 79.99 37.35 4.50 0.14 275.19
SKEW 0.00 6.26 2.96 1.06 -0.01 0.20 -0.14 0.01 -0.21 0.32 2.14 6.78 -0.19
MAX 0.00 7.00 27.50 125.00 276.93 529.00 841.00 666.00 421.50 155.00 20.00 1.00 2669.00
MIN 0.00 0.00 0.00 0.00 72.50 207.60 349.00 421.50 80.69 10.00 0.00 0.00 1424.18
NO YRS 52 57 51 52 52 58 60 61 53 53 48 49 28