YUMA PROVING GROUND, ARIZONA

Monthly Total Growing Degree Days

(029654)

Base Temperature = 50 F

File last updated on Apr 3, 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
1958 0.00 z 0.00 z 0.00 z 627.00 1060.50 1149.50 1340.00 1346.00 1151.50 902.50 384.50 280.00 8241.50
1959 229.50 190.00 514.00 769.50 824.00 1226.00 1422.50 1284.50 1049.50 800.00 448.00 176.50 8934.00
1960 96.00 185.50 546.50 683.00 884.00 1253.00 1383.50 1335.00 1151.00 778.50 377.50 144.50 8818.00
1961 240.50 308.00 429.00 675.50 841.00 1195.00 1323.00 1293.50 1009.50 725.50 294.50 141.00 8476.00
1962 194.00 250.00 297.50 782.00 784.50 1074.50 1321.00 1384.50 1138.00 790.00 488.50 250.50 8755.00
1963 94.00 437.00 397.00 519.00 945.50 1011.00 1356.50 1295.00 1180.00 863.00 418.00 161.50 8677.50
1964 0.00 z 140.50 331.50 563.50 838.00 1044.00 1362.50 1283.00 1057.50 926.00 285.50 182.00 8014.00
1965 209.50 250.50 355.50 614.50 826.00 924.50 1317.50 1316.50 1000.00 882.00 451.00 150.00 8297.50
1966 80.00 147.00 482.50 707.00 986.50 1122.00 1350.50 1342.00 1119.50 762.00 438.00 215.00 8752.00
1967 143.00 288.00 477.00 400.50 862.50 1007.50 1380.00 1367.50 1059.00 841.50 516.50 110.00 8453.00
1968 164.00 425.50 483.50 608.00 894.00 1128.50 1294.50 1216.00 1093.50 783.00 414.50 78.00 8583.00
1969 275.50 186.00 386.50 643.50 951.00 1004.50 1337.00 1438.00 1189.00 679.00 427.00 193.50 8710.50
1970 167.50 319.50 387.00 483.00 938.94 e 1118.00 1397.00 1368.00 1058.00 695.00 406.00 134.00 8471.94
1971 221.00 256.50 488.50 549.50 741.50 1060.50 1357.00 1293.00 1096.00 620.50 318.00 91.50 8093.50
1972 95.50 314.00 669.00 658.50 902.50 1128.50 1394.50 1238.00 1060.50 682.50 275.50 130.00 8549.00
1973 95.00 239.50 281.50 573.00 947.00 1136.50 1323.50 1294.50 1030.00 787.00 338.50 198.00 8244.00
1974 165.50 220.50 477.00 641.00 898.00 1227.50 1295.00 1286.50 1145.00 818.50 386.50 102.50 8663.50
1975 141.50 200.00 351.00 413.00 816.00 1069.50 1331.50 1318.50 1124.50 718.00 389.00 174.00 8046.50
1976 215.50 319.00 399.00 541.00 929.00 1111.00 1274.00 1249.50 980.00 751.50 419.50 148.00 8337.00
1977 160.00 315.00 308.50 649.50 696.00 1176.50 1370.50 1312.00 1082.50 893.50 476.50 309.50 8750.00
1978 187.50 304.00 569.00 599.00 910.00 1263.50 1412.50 1319.00 1075.00 918.50 364.50 0.00 z 8922.50
1979 81.50 216.50 406.50 650.50 860.50 1160.00 0.00 z 1213.00 0.00 z 0.00 z 328.00 250.00 5166.50
1980 279.50 381.50 408.00 612.41 a 750.00 1143.00 1404.50 1298.00 1097.50 813.00 436.50 331.50 8955.41
1981 310.52 a 338.50 445.00 712.00 866.00 1255.00 1374.50 1394.50 1147.50 677.50 467.00 270.22 a 9258.23
1982 151.50 313.00 349.50 630.00 838.00 1006.50 1287.50 1310.00 1043.50 710.50 337.00 144.50 8121.50
1983 244.50 258.00 444.50 478.00 898.50 1051.50 1346.50 1249.50 1179.00 824.00 414.00 248.50 8636.50
1984 267.50 276.50 511.00 591.00 1067.00 1102.50 1271.50 1282.50 1173.50 676.00 347.00 136.00 8702.00
1985 150.50 233.50 398.00 759.00 944.50 1207.50 1394.00 1357.00 905.00 762.00 297.00 187.00 8595.00
1986 319.00 339.50 596.00 669.50 918.00 1206.50 1280.50 1371.50 943.50 710.00 418.50 173.50 8946.00
1987 163.00 275.00 397.50 772.00 910.50 1174.00 1260.50 1294.00 1079.00 896.50 399.00 125.50 8746.50
1988 154.50 349.50 502.00 638.00 889.50 1133.50 1353.00 1307.00 1093.00 982.00 418.50 205.00 9025.50
1989 142.00 294.00 613.50 868.00 939.50 1165.50 1410.00 1289.00 1147.00 825.50 473.00 203.00 9370.00
1990 162.50 212.50 528.50 726.00 881.00 1204.00 1363.00 1286.50 1133.50 855.00 445.50 124.00 8922.00
1991 192.50 425.50 334.50 636.50 821.00 1054.00 1304.00 1365.50 1143.50 920.50 423.50 210.50 8831.50
1992 207.50 386.50 451.00 784.00 1006.00 1132.50 1310.50 1352.50 1195.50 878.00 327.50 100.00 9131.50
1993 226.00 290.50 547.50 728.00 978.50 1149.00 1280.50 1314.50 1152.00 868.00 357.00 178.00 9069.50
1994 229.50 227.50 562.50 702.50 888.00 1271.50 1384.00 1427.50 1183.00 771.00 249.50 149.50 9046.00
1995 212.50 447.00 520.50 618.50 804.00 1080.50 1385.50 1473.50 1270.50 876.50 591.00 279.50 9559.50
1996 260.50 427.00 530.10 a 770.00 1016.50 1215.50 1448.00 1399.00 1093.00 832.00 432.50 207.00 9631.10
1997 274.50 268.50 634.00 663.00 1124.00 1074.00 1311.50 1409.00 1191.50 766.50 453.00 123.00 9292.50
1998 209.50 201.50 413.50 533.50 0.00 z 0.00 z 1412.00 1429.50 1155.50 754.50 388.00 0.00 z 6497.50
1999 235.00 296.00 438.50 494.00 880.00 1097.00 1310.50 1344.50 1186.00 912.00 511.00 216.48 a 8920.98
2000 294.00 330.50 483.00 775.50 1041.60 a 1209.00 1363.00 1355.50 1167.50 737.00 237.50 248.00 9242.10
2001 143.50 204.50 521.00 610.00 1097.00 1203.50 1331.50 1350.50 1225.00 894.00 525.00 116.00 9221.50
2002 174.00 292.50 419.50 708.50 910.00 1211.00 1389.00 1330.00 1179.50 753.50 484.50 153.00 9005.00
2003 393.00 271.50 505.50 561.00 952.50 1138.50 1408.00 1363.50 1221.00 1018.50 334.00 184.50 9351.50
2004 219.00 217.00 751.00 704.00 994.00 1143.00 1371.00 1354.00 1104.50 728.50 303.50 171.50 9061.00
2005 237.50 255.00 452.50 625.50 956.00 1131.00 1420.00 1359.00 1122.50 828.50 481.50 190.00 9059.00
2006 212.50 316.00 365.50 619.00 1007.50 1282.00 1462.50 1353.00 1102.00 763.00 490.00 157.00 9130.00
2007 142.00 293.50 583.00 679.00 964.50 1166.50 1372.50 1424.50 1129.50 805.50 541.00 100.50 9202.00
2008 0.00 z 299.50 525.50 693.50 859.50 1240.00 1380.50 1342.50 1228.50 0.00 z 0.00 z 0.00 z 7569.50
2009 0.00 z 0.00 z 0.00 z 0.00 z 1088.00 0.00 z 0.00 z 0.00 z 0.00 z 709.00 439.50 0.00 z 2236.50
2010 220.00 267.50 417.50 539.00 810.50 1113.00 1388.00 1361.50 1188.00 797.50 384.00 260.50 8747.00
2011 210.50 165.50 523.00 675.00 791.50 1134.00 1398.00 1483.00 1221.00 891.00 377.00 83.50 8953.00
2012 257.50 299.00 468.50 716.00 1026.00 1214.00 1333.50 1406.50 1219.00 882.50 517.00 218.00 9557.50
2013 156.00 225.00 632.50 20.50 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 1013.50
Period of Record Statistics
MEAN 198.24 281.31 468.72 641.54 912.15 1141.52 1355.73 1337.63 1122.08 806.37 406.41 178.73 8852.14
S.D. 65.51 73.61 98.43 96.25 93.43 78.45 47.76 59.46 75.15 86.09 77.57 60.11 383.30
SKEW 0.35 0.39 0.40 -0.30 0.15 -0.39 -0.09 0.24 -0.63 0.15 -0.09 0.49 -0.13
MAX 393.00 447.00 751.00 868.00 1124.00 1282.00 1462.50 1483.00 1270.50 1018.50 591.00 331.50 9631.10
MIN 80.00 140.50 281.50 400.50 696.00 924.50 1260.50 1213.00 905.00 620.50 237.50 78.00 8046.50
NO YRS 52 54 54 54 54 53 53 54 53 53 54 51 48