BULLFROG BASIN, UTAH

Monthly Total Growing Degree Days

(421020)

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
1967 0.00 z 0.00 z 445.37 a 461.50 804.50 1067.50 1414.50 1376.50 1051.50 737.50 295.00 3.50 7657.37
1968 0.00 193.00 353.00 457.00 874.00 1225.50 1399.50 1184.50 979.50 653.50 207.00 4.00 7530.50
1969 84.50 75.00 188.50 583.00 976.50 1019.50 1310.00 1342.50 1066.50 515.50 205.50 71.50 7438.50
1970 72.50 169.00 253.50 439.14 a 938.50 1182.50 1436.50 1402.00 948.00 508.50 195.00 22.00 7567.14
1971 51.50 77.00 310.00 b 572.22 c 827.59 c 1183.50 1420.50 1325.00 953.00 549.00 130.00 27.00 7426.31
1972 36.50 184.50 512.50 575.69 a 907.50 1177.00 1402.00 1278.00 990.50 607.00 115.50 9.00 7795.69
1973 0.00 50.00 203.50 493.50 911.50 1097.50 1352.50 1347.00 903.00 625.50 280.50 24.00 7288.50
1974 0.00 14.00 423.67 a 484.00 992.50 1272.50 1338.00 1277.00 971.00 635.50 178.45 a 7.48 b 7594.10
1975 12.50 35.00 d 210.00 327.50 695.43 a 1005.00 1312.33 a 1182.50 915.00 531.00 178.50 22.50 6427.27
1976 0.50 169.00 178.25 e 530.69 a 899.00 1141.07 b 1434.50 1297.00 987.00 576.00 251.00 0.00 7464.01
1977 0.00 92.00 177.50 635.50 801.00 1268.00 1405.00 1365.50 1071.00 705.50 271.50 117.50 7910.00
1978 21.81 d 98.50 425.00 554.50 778.50 1185.00 1440.00 1345.00 987.50 747.00 244.00 7.50 7834.31
1979 0.00 4.00 221.50 534.00 803.62 e 1053.00 1379.50 1274.50 1115.00 736.54 d 108.50 10.50 7240.65
1980 71.00 139.00 202.02 a 474.11 b 753.09 b 1114.29 b 1401.50 1299.50 981.43 b 571.00 242.59 a 114.50 7364.01
1981 36.50 106.00 263.50 685.18 b 831.00 1245.00 1426.00 1318.50 1022.00 568.50 278.50 34.00 7814.68
1982 22.50 75.00 287.50 505.00 859.50 1096.50 1353.50 1301.50 1009.50 486.50 171.00 26.50 7194.50
1983 8.50 136.50 303.00 382.00 770.50 1074.50 1347.00 1349.00 1079.50 664.50 267.50 36.50 7419.00
1984 0.50 14.50 258.50 433.00 1040.00 1099.50 1402.50 1344.00 1051.00 487.00 251.00 23.00 7404.50
1985 11.00 58.50 273.50 610.00 918.00 1226.50 1419.00 1362.00 925.50 609.00 248.50 44.50 7706.00
1986 37.50 202.00 461.50 536.50 795.50 1188.62 a 1333.00 1342.50 527.50 k 332.50 j 153.50 k 28.50 5925.62
1987 9.00 62.50 160.00 577.00 903.00 1221.00 1316.43 b 1263.00 1018.50 723.00 199.50 28.00 7480.93
1988 6.00 108.00 268.50 567.00 880.00 1266.00 1475.50 1342.50 963.75 b 793.50 279.00 13.50 7963.25
1989 2.50 94.50 467.50 535.00 j 592.50 l 1165.00 1451.00 1292.00 1025.00 662.00 262.50 12.50 6434.50
1990 13.00 j 125.50 427.00 454.00 i 877.62 b 0.00 z 0.00 z 0.00 z 0.00 z 677.35 a 222.41 a 1.50 2331.38
1991 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 z 0.00 z 0.00 z 0.00
1992 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 z 0.00 z 0.00 z 0.00
1993 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 z 0.00 z 0.00 z 0.00
1994 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 z 0.00 z 0.00 z 0.00
1995 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 z 0.00 z 0.00 z 0.00
1996 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 z 0.00 z 0.00 z 0.00
1997 0.00 z 0.00 z 374.00 454.00 966.00 1198.00 1335.00 1295.50 1045.00 592.00 224.00 24.00 7507.50
1998 43.00 70.00 288.50 445.00 875.50 1047.50 1427.50 1358.50 1021.00 577.50 220.50 47.00 7421.50
1999 51.50 120.81 a 391.00 397.50 763.50 1097.50 1374.69 b 1221.00 953.50 641.18 a 280.34 a 19.12 a 7311.65
2000 94.60 b 130.00 253.88 b 673.00 1013.00 1233.00 1421.00 1410.00 1028.50 647.00 61.03 a 27.00 7992.02
2001 3.62 a 82.50 343.50 545.50 939.00 1169.00 432.00 v 1294.25 a 1068.00 716.50 317.00 8.50 6487.37
2002 5.50 29.00 247.50 658.50 894.00 1248.50 1473.50 1313.00 977.50 569.00 161.50 28.50 7606.00
2003 65.50 83.50 303.50 0.00 z 905.00 1190.50 1522.50 0.00 z 996.50 750.00 200.50 21.00 6038.50
2004 3.00 49.00 476.00 541.00 903.50 1160.69 a 1364.50 1281.00 943.50 582.50 157.50 20.50 7482.69
2005 83.00 89.50 302.00 465.50 867.50 1043.50 1437.50 0.00 z 999.00 643.00 233.50 25.50 6189.50
2006 27.50 63.00 244.00 569.00 993.50 1247.50 1477.50 1293.50 862.50 562.00 235.50 1.50 7577.00
2007 6.50 106.00 369.93 a 578.00 896.50 1206.00 1471.00 1360.00 1065.50 560.50 267.00 17.00 7903.93
2008 13.00 0.00 z 264.05 c 428.00 737.50 1152.50 1431.00 1371.50 1011.00 608.00 252.50 0.00 z 7269.05
2009 24.00 0.00 z 0.00 z 487.50 983.39 d 1051.00 1444.00 1312.00 1058.00 540.00 228.50 1.00 7129.39
2010 6.00 26.50 250.50 490.50 697.50 1162.00 1407.00 1209.50 1006.00 501.50 g 208.00 76.00 6539.50
2011 4.28 b 52.08 c 296.50 459.31 a 718.00 1141.20 e 1397.00 1396.66 c 1030.86 a 611.00 190.34 a 8.27 a 7305.50
2012 13.43 a 37.50 320.50 614.50 962.50 1302.00 1401.89 d 1400.00 1045.86 a 664.90 b 258.50 62.50 8084.08
2013 6.00 13.50 335.83 a 41.50 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 355.33
Period of Record Statistics
MEAN 24.61 87.46 308.40 519.59 870.62 1159.61 1404.10 1316.97 1003.34 621.99 219.98 27.61 7536.15
S.D. 28.04 52.76 92.66 83.01 90.15 77.99 50.77 57.19 54.36 78.67 55.67 27.57 324.28
SKEW 1.11 0.47 0.48 0.00 -0.21 -0.23 -0.09 -0.60 -0.38 0.26 -0.81 1.89 -1.04
MAX 94.60 202.00 512.50 685.18 1040.00 1302.00 1522.50 1410.00 1115.00 793.50 317.00 117.50 8084.08
MIN 0.00 4.00 160.00 327.50 695.43 1005.00 1310.00 1182.50 862.50 486.50 61.03 0.00 6427.27
NO YRS 38 37 40 37 39 39 38 37 38 38 39 39 29