TUCSON INTL AP, ARIZONA

Monthly Total Growing Degree Days

(028820)

Base Temperature = 40 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
1930 0.00 z 509.38 b 547.50 871.00 904.00 1273.00 1406.50 1388.00 1186.00 885.00 575.19 d 316.50 9862.08
1931 322.50 394.50 590.50 843.00 1105.00 1306.50 1511.50 1321.00 1252.00 963.00 474.50 276.00 9999.00
1932 131.00 438.50 562.50 751.50 1009.00 1215.00 1399.50 1392.50 1252.50 904.50 672.50 0.00 z 9729.00
1933 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
1934 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
1935 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
1936 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
1937 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
1938 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1254.50 0.00 z 0.00 z 0.00 z 1254.50
1939 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1303.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1303.00
1940 0.00 z 0.00 z 649.00 791.00 1140.00 1302.00 1459.07 a 1378.98 a 1223.00 951.50 504.50 508.29 b 9907.34
1941 391.50 461.50 530.00 595.00 1020.00 1207.50 1438.00 1338.00 1188.62 a 0.00 z 0.00 z 0.00 z 8170.12
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1451.50 1404.00 1280.50 964.00 406.00 346.50 5852.50
1949 158.00 287.50 546.00 823.00 1034.50 1289.50 1396.00 1368.50 1266.50 818.50 729.50 361.00 9999.00
1950 335.50 479.50 640.50 875.50 978.00 1249.00 1326.00 1386.00 1149.00 1140.50 690.00 524.50 9999.00
1951 323.00 382.00 538.00 731.50 1053.00 1213.50 1513.50 1390.50 1295.00 1007.50 555.00 356.50 9999.00
1952 364.50 337.00 391.00 751.50 1139.00 1300.50 1424.00 1405.00 1299.00 1127.00 490.00 311.00 9999.00
1953 429.50 341.00 637.00 754.50 893.50 1323.00 1450.00 1437.50 1287.00 959.00 647.00 266.00 9999.00
1954 417.50 568.00 596.00 943.00 1113.00 1291.50 1449.00 1344.50 1286.50 1059.00 680.50 419.50 9999.00
1955 215.50 273.00 606.50 731.00 986.00 1270.00 1380.00 1296.50 1235.00 1062.50 553.50 480.00 9999.00
1956 499.50 261.00 624.00 724.00 1108.50 1385.50 1407.00 1363.00 1328.50 935.00 533.00 387.50 9999.00
1957 428.00 591.50 606.50 784.50 965.00 1359.00 1491.00 1369.00 1237.00 862.50 427.50 460.50 9999.00
1958 351.50 441.00 439.00 736.00 1213.00 1345.00 1452.50 1377.00 1213.50 986.50 543.00 483.00 9999.00
1959 426.00 322.50 564.00 876.50 1007.00 1361.50 1442.50 1294.00 1204.50 919.50 554.00 354.00 9999.00
1960 237.00 226.00 651.00 770.00 989.00 1303.50 1425.00 1370.00 1234.00 846.00 575.50 303.50 9930.50
1961 386.00 363.00 564.50 786.50 1021.00 1340.50 1427.00 1296.00 1111.00 882.00 430.50 323.50 9931.50
1962 290.00 413.00 412.00 902.00 983.00 1209.00 1391.50 1454.50 1237.00 948.50 643.00 432.00 9999.00
1963 278.50 490.50 547.50 718.50 1153.50 1213.00 1475.50 1308.50 1272.50 1029.00 578.50 395.00 9999.00
1964 242.00 223.50 461.00 697.00 1029.50 1260.00 1430.50 1288.00 1088.50 994.50 456.50 384.50 9555.50
1965 421.50 323.00 469.00 735.00 933.00 1127.50 1395.00 1362.50 1104.50 988.00 677.50 375.50 9912.00
1966 237.00 221.00 623.00 803.00 1118.00 1283.50 1402.50 1329.00 1150.00 871.50 632.00 398.00 9999.00
1967 359.00 436.00 683.00 662.50 987.00 1219.50 1408.00 1382.50 1221.00 979.00 685.50 267.00 9999.00
1968 384.00 553.00 579.00 696.50 1033.50 1303.50 1389.50 1278.50 1221.50 983.00 549.50 342.50 9999.00
1969 478.50 367.00 442.00 795.50 1081.00 1221.00 1428.00 1436.00 1236.00 829.00 556.50 389.00 9999.00
1970 316.00 476.50 493.00 633.00 1090.00 1301.50 1461.00 1388.50 1090.50 777.50 603.00 365.50 9996.00
1971 381.00 343.50 616.00 682.50 909.00 1236.50 1472.00 1280.00 1173.00 749.00 504.50 231.00 9578.00
1972 325.00 458.00 776.00 774.00 1000.50 1246.50 1445.50 1328.50 1156.50 821.50 388.00 282.50 9999.00
1973 240.50 374.50 358.00 589.00 1021.00 1240.00 1373.50 1384.00 1188.00 951.00 552.50 380.50 9652.50
1974 318.50 331.50 623.50 781.50 1063.00 1405.50 1348.50 1331.00 1133.00 901.50 524.50 227.50 9989.50
1975 306.00 301.50 474.50 535.00 924.50 1214.50 1369.50 1419.00 1200.00 914.00 579.00 400.50 9638.00
1976 400.00 534.50 562.50 744.00 1068.00 1300.50 1360.50 1403.00 1129.00 861.50 600.50 376.50 9999.00
1977 331.50 471.00 486.50 810.50 953.50 1340.50 1457.00 1437.50 1259.00 1032.00 649.50 524.50 9999.00
1978 404.50 379.50 676.00 754.00 1026.00 1372.50 1488.50 1385.00 1227.00 1045.50 556.00 324.50 9999.00
1979 266.00 384.50 508.50 768.50 997.50 1293.50 1472.00 1345.00 1324.00 1021.50 497.50 466.50 9999.00
1980 443.00 518.50 540.00 767.50 974.50 1347.50 1507.50 1383.00 1213.50 917.50 584.00 561.00 9999.00
1981 457.00 479.50 527.50 871.50 1034.50 1383.00 1402.00 1437.00 1220.50 871.00 664.00 464.00 9999.00
1982 331.50 410.00 547.50 780.50 1001.00 1215.00 1389.00 1359.50 1175.50 835.50 531.00 313.00 9889.00
1983 397.00 385.50 537.00 610.00 1048.00 1246.50 1454.00 1364.50 1265.50 913.50 519.50 417.50 9999.00
1984 363.00 394.50 634.50 718.00 1235.50 1291.50 1368.50 1328.50 1244.00 814.50 532.00 355.00 9999.00
1985 319.00 377.00 577.50 861.00 1112.00 1374.00 1473.00 1428.00 1121.50 930.00 539.00 400.50 9999.00
1986 577.50 473.50 738.00 870.50 1140.50 1396.00 1409.50 1424.50 1171.00 915.50 592.50 380.00 9999.00
1987 358.00 397.00 553.50 902.50 1063.00 1387.50 1468.50 1396.00 1196.00 1089.50 567.00 332.50 9999.00
1988 404.50 560.00 664.00 838.00 1128.00 1402.50 1483.00 1423.00 1212.00 1094.00 575.50 380.50 9999.00
1989 311.00 509.00 776.00 1014.50 1158.00 1361.00 1547.00 1443.50 1335.50 963.00 649.50 403.50 9999.00
1990 365.00 362.50 674.50 891.00 1090.50 1459.00 1393.00 1321.00 1264.00 1026.00 647.00 355.00 9999.00
1991 381.50 553.00 476.50 755.50 1038.50 1244.50 1472.50 1445.00 1220.50 1055.00 565.00 442.50 9999.00
1992 359.00 502.00 600.50 922.00 1138.00 1333.50 1449.50 1395.50 1306.00 1059.00 482.50 351.50 9999.00
1993 471.00 392.00 660.50 857.50 1180.50 1348.50 1486.00 1410.50 1241.50 1009.00 564.50 416.00 9999.00
1994 423.00 424.00 708.00 858.00 1101.00 1476.00 1561.50 1557.00 1324.50 945.00 499.50 431.00 9999.00
1995 389.00 577.50 656.50 743.00 1011.50 1298.50 1499.50 1467.00 1285.00 1003.00 691.50 433.00 9999.00
1996 422.00 546.00 654.00 865.50 1209.50 1420.50 1507.00 1436.50 1130.00 942.50 628.00 424.50 9999.00
1997 388.50 379.50 767.00 772.50 1230.50 1292.00 1487.00 1418.00 1324.50 928.00 622.00 269.00 9999.00
1998 409.50 302.50 555.00 641.00 1019.50 1253.50 1440.00 1440.50 1277.50 951.00 613.50 371.50 9999.00
1999 421.50 473.00 662.00 669.00 1075.50 1314.50 1364.50 1401.00 1254.50 1075.00 762.00 349.00 9999.00
2000 464.50 502.00 583.00 908.50 1245.50 1336.00 1493.00 1391.00 1342.50 873.50 385.00 442.50 9999.00
2001 299.50 357.00 625.00 796.50 1217.50 1366.00 1431.50 1421.50 1331.50 1030.00 687.00 291.50 9999.00
2002 363.00 477.00 595.00 947.50 1109.50 1439.00 1451.50 1428.50 1275.00 913.50 640.00 330.50 9999.00
2003 563.00 415.50 614.00 771.00 1176.00 1371.00 1525.00 1434.00 1282.00 1096.00 569.50 403.50 9999.00
2004 400.50 312.00 825.50 788.00 1170.00 1345.00 1457.00 1392.00 1229.00 925.50 486.00 393.50 9999.00
2005 447.50 442.50 596.50 833.50 1158.00 1368.50 1567.50 1361.00 1306.00 1015.00 678.50 451.50 9999.00
2006 451.00 512.00 580.00 855.50 1208.50 1451.00 1497.50 1354.00 1155.00 936.00 691.00 345.00 9999.00
2007 281.00 431.00 714.50 855.50 1179.50 1380.00 1484.50 1451.50 1288.50 1017.50 771.00 290.50 9999.00
2008 362.00 442.50 647.50 848.50 1031.50 1409.50 1413.50 1406.50 1271.00 1019.00 688.50 428.50 9999.00
2009 480.50 485.00 718.50 811.00 1242.00 1285.50 1552.00 1509.00 1309.50 922.50 732.50 333.00 9999.00
2010 432.00 386.50 574.00 759.50 1048.12 b 1388.50 1517.00 1453.50 1340.00 1010.00 548.00 524.00 9999.00
2011 365.00 355.50 745.50 889.50 1038.50 1384.00 1490.50 1527.50 1277.50 1029.50 577.00 277.00 9999.00
2012 482.50 452.00 637.50 893.00 1209.50 1435.00 1418.00 1493.00 1261.50 1037.50 745.50 419.50 9999.00
2013 332.50 306.50 804.00 28.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.00 z 1443.00
Period of Record Statistics
MEAN 369.29 415.25 597.79 788.22 1073.54 1317.59 1446.84 1390.91 1234.46 958.46 584.13 379.73 10574.32
S.D. 84.23 90.29 96.76 92.82 90.63 73.02 53.06 57.30 65.28 85.10 89.48 73.17 494.46
SKEW -0.29 -0.13 0.00 -0.31 0.14 -0.04 0.10 0.22 -0.42 -0.15 -0.07 0.19 -0.18
MAX 577.50 591.50 825.50 1014.50 1245.50 1476.00 1567.50 1557.00 1342.50 1140.50 771.00 561.00 11484.50
MIN 131.00 221.00 358.00 535.00 893.50 1127.50 1326.00 1278.50 1088.50 749.00 385.00 227.50 9555.50
NO YRS 68 69 70 69 69 70 70 70 71 69 69 68 65