LITCHFIELD PARK, ARIZONA

Monthly Total Growing Degree Days

(024977)

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
1917 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1080.41 d 991.50 687.00 280.50 26.00 u 3039.41
1918 9.50 h 149.50 374.58 a 527.00 667.00 1181.38 a 1209.50 1082.00 0.00 z 0.00 z 128.00 h 35.28 b 5226.24
1919 48.00 42.50 214.50 586.50 837.50 1080.50 1232.50 1218.09 b 951.00 531.00 212.50 114.50 7069.09
1920 115.22 a 57.50 r 0.00 z 415.00 784.76 d 974.50 1210.50 1137.50 893.00 503.00 237.00 31.00 6301.48
1921 20.00 168.00 500.59 d 485.50 493.00 f 1006.55 a 1206.50 1121.50 969.50 715.58 a 298.93 b 152.23 c 6644.89
1922 21.00 134.00 199.00 364.66 a 755.88 a 1022.00 1261.00 1200.50 1021.55 a 636.00 141.21 a 137.50 6894.30
1923 153.45 a 164.50 254.72 a 480.56 c 847.16 b 903.33 c 1205.50 1165.94 d 915.00 b 514.00 273.50 83.00 6960.66
1924 31.00 173.48 a 138.47 a 407.07 a 835.00 1127.50 1261.50 788.50 j 546.50 l 532.68 a 274.50 82.67 a 4863.87
1925 95.00 203.78 a 376.65 a 527.78 c 857.00 214.00 u 990.00 g 936.00 g 781.00 f 416.00 145.50 74.92 a 2696.62
1926 11.22 b 157.36 c 352.33 e 501.96 b 743.45 c 1075.18 b 1214.50 1152.17 d 1007.68 b 680.00 281.25 b 69.00 f 7177.10
1927 123.50 179.00 205.38 c 460.50 754.16 b 967.76 a 419.50 t 943.50 f 972.00 618.93 b 357.86 b 52.50 4691.58
1928 75.43 a 104.72 b 378.72 a 493.39 b 861.59 b 984.50 1220.76 b 1148.00 889.80 e 610.91 b 267.93 a 109.69 e 7145.45
1929 43.00 72.69 b 260.50 436.50 601.50 h 1031.11 c 1241.50 1181.00 954.50 681.48 a 172.76 a 111.50 6186.55
1930 67.68 a 257.38 b 315.50 602.68 b 580.06 e 988.97 a 1202.59 b 1141.12 b 882.78 c 589.50 315.00 c 70.00 7013.25
1931 94.60 b 195.44 c 346.50 595.50 865.13 d 792.50 g 1390.02 c 1175.13 d 986.38 a 619.45 c 222.32 b 30.45 c 6520.91
1932 6.41 b 145.54 b 283.28 b 461.79 b 743.40 e 978.00 1268.23 c 1228.67 e 1032.41 a 625.96 e 334.66 a 53.50 7161.85
1933 18.60 a 47.19 a 315.68 a 415.86 a 639.78 b 1051.55 a 1375.22 b 1263.52 b 1065.56 c 781.20 a 330.52 a 110.64 b 7415.31
1934 121.00 271.70 a 327.00 n 685.18 b 955.46 c 954.64 b 1329.90 a 1152.00 0.00 z 655.17 e 219.00 l 207.24 d 6332.30
1935 139.50 d 221.85 b 111.50 k 535.86 a 706.80 a 1097.14 b 1263.00 729.00 l 1024.50 671.15 a 185.69 a 127.10 a 5972.59
1936 76.47 a 161.11 b 435.60 b 641.25 b 941.48 d 1150.71 b 1325.52 b 1264.80 a 995.00 c 682.50 330.00 d 105.18 c 8109.62
1937 1.55 a 147.00 306.90 a 525.00 b 844.23 a 1047.86 b 1304.58 a 1240.00 b 1010.89 b 562.13 a 0.00 z 0.00 z 6990.15
1938 126.67 b 164.64 c 274.72 b 459.00 f 825.63 a 1073.33 c 1248.94 e 1243.50 1100.89 b 664.43 a 148.00 130.20 a 7000.97
1939 0.00 z 0.00 z 364.50 613.33 c 858.38 b 1051.55 a 1302.00 b 1218.00 937.76 a 600.07 c 398.00 214.00 7557.59
1940 125.07 b 160.50 296.50 g 591.72 a 934.50 1158.62 a 1278.75 a 1271.00 1037.07 a 690.00 212.50 164.82 a 7624.55
1941 123.50 225.50 290.07 c 356.50 763.63 a 911.50 1204.50 1105.67 a 850.00 546.78 b 307.50 b 131.00 6816.15
1942 120.50 75.50 265.00 475.00 739.50 995.69 a 1317.00 1204.00 1008.50 656.00 352.76 a 140.00 7349.45
1943 87.00 250.00 420.57 a 623.50 872.00 987.50 1292.18 a 1173.87 a 1038.50 664.00 311.50 128.00 7848.62
1944 72.00 73.50 230.50 414.44 c 779.28 b 876.00 1190.83 b 1240.53 b 998.50 720.00 229.00 77.50 6902.08
1945 68.00 134.62 b 210.50 472.00 771.26 b 941.50 1266.50 1238.00 1067.00 743.48 a 225.00 51.00 7188.86
1946 53.00 93.85 a 342.66 c 692.50 794.00 1072.24 a 1240.00 1238.50 1011.50 484.50 149.50 146.50 7318.75
1947 43.00 234.50 372.00 a 522.86 b 897.00 999.50 1300.50 1178.00 1090.00 698.00 167.00 39.50 7541.86
1948 100.50 95.50 215.50 576.21 a 781.20 a 1002.00 1247.50 1246.20 a 1027.50 710.00 155.50 57.87 a 7215.47
1949 17.00 110.96 a 280.00 603.50 785.00 1066.50 1254.50 1139.50 1088.50 586.00 404.50 124.00 7459.96
1950 79.50 235.00 373.50 637.50 754.00 995.00 1223.00 1190.50 899.00 789.50 358.00 178.00 7712.50
1951 72.50 152.00 322.40 a 499.14 a 278.00 q 46.50 z 43.00 z 0.00 z 246.50 v 648.50 49.00 v 57.00 1751.54
1952 46.50 96.00 160.50 486.43 b 872.00 978.21 b 1179.00 1216.00 1026.21 a 747.10 a 186.50 40.96 c 7035.41
1953 159.81 b 120.81 a 348.50 492.41 a 619.00 992.50 1263.50 1196.50 978.00 637.00 324.11 b 38.00 7170.15
1954 69.00 279.48 a 147.50 m 656.00 856.63 a 1005.50 1285.00 1182.50 1047.00 721.50 369.00 122.50 7594.11
1955 22.00 96.00 326.00 442.50 749.00 994.50 1142.00 1158.00 973.50 798.50 273.00 155.00 7130.00
1956 157.00 54.00 359.50 474.00 846.00 1136.00 1238.00 813.00 i 1082.00 643.77 a 236.00 76.00 6302.27
1957 126.00 316.00 369.50 515.00 c 718.50 1137.00 1308.50 1198.50 987.50 639.00 185.50 134.50 7635.50
1958 83.50 226.00 235.50 521.50 996.00 1135.00 1310.00 1278.50 1040.50 765.00 317.50 179.00 8088.00
1959 131.23 a 108.00 372.50 667.50 764.50 1170.00 1346.00 1204.50 965.50 702.50 341.50 139.00 7912.73
1960 67.50 78.00 443.00 569.00 807.50 1166.00 1283.00 1245.50 1073.79 a 656.00 327.00 101.50 7817.79
1961 163.00 217.50 334.50 575.00 781.00 1172.50 1308.00 1233.00 942.50 636.00 216.50 78.00 7657.50
1962 106.00 182.50 184.00 667.00 726.50 991.00 1247.50 1297.50 1046.50 688.50 397.00 200.47 a 7734.47
1963 68.00 318.50 324.00 448.50 887.00 916.50 1299.00 1190.50 1093.50 800.00 373.50 103.00 7822.00
1964 56.50 51.00 252.50 482.50 745.00 999.50 1304.50 1166.00 960.50 780.00 210.50 93.50 7102.00
1965 144.50 177.50 248.50 481.50 725.00 868.50 1281.50 1233.50 902.50 748.50 386.00 146.50 7344.00
1966 45.00 53.00 387.50 588.00 904.00 1039.00 1285.50 1237.00 976.00 634.50 331.00 86.50 7567.00
1967 101.00 213.50 409.50 375.50 802.00 1006.50 1322.50 1288.50 1006.50 758.50 420.00 29.50 7733.50
1968 117.50 311.00 339.50 526.00 808.50 1072.50 1248.00 1124.50 983.00 673.00 281.00 55.50 7540.00
1969 195.50 130.00 251.00 581.00 889.50 999.00 1318.00 1350.00 1065.50 570.50 329.50 160.00 7839.50
1970 95.00 275.50 302.50 417.50 881.00 1087.00 1381.50 1312.50 938.50 574.00 303.00 74.00 7642.00
1971 138.50 162.00 398.50 496.00 693.00 1018.50 1312.50 1176.00 978.50 523.00 294.00 99.50 7290.00
1972 58.50 241.50 584.00 583.00 829.00 1095.00 1329.50 1203.50 1005.00 648.00 188.00 88.00 7853.00
1973 59.50 156.50 165.00 517.00 922.00 1115.50 1290.00 1268.50 954.00 678.50 281.00 126.58 a 7534.08
1974 104.00 144.00 406.00 556.00 834.00 1197.00 1274.00 963.00 f 1035.00 b 732.12 a 279.50 31.00 6592.62
1975 82.50 110.50 288.50 366.00 724.50 991.00 1275.00 1238.00 1028.50 613.50 275.00 94.50 7087.50
1976 133.00 245.00 306.00 472.50 874.50 1059.00 1247.50 1160.00 917.50 568.00 292.76 a 75.50 7351.26
1977 106.00 232.00 241.00 592.00 694.00 1129.50 1328.50 1290.50 1021.50 758.50 369.00 193.00 7955.50
1978 127.50 178.50 428.00 507.50 811.17 a 1143.50 1288.50 1180.50 997.00 797.00 285.50 69.00 7813.67
1979 33.50 129.00 276.50 528.00 805.00 1107.00 1264.50 1157.50 1131.50 754.33 a 248.50 152.93 a 7588.27
1980 195.00 288.50 315.50 556.50 748.00 1086.00 1370.00 1228.63 a 1035.50 734.00 356.50 283.50 8197.63
1981 245.50 261.50 356.50 688.50 864.50 1244.00 1353.50 1337.50 1066.50 634.00 382.50 180.50 8615.00
1982 100.50 259.00 321.00 572.00 849.50 1015.00 1273.00 1285.50 1034.50 622.00 290.50 85.00 7707.50
1983 135.00 182.00 324.50 447.50 851.50 1039.00 1319.50 1259.50 1155.50 746.50 327.50 130.50 7918.50
1984 151.00 176.50 424.00 532.50 1036.50 1080.00 1256.00 1212.50 1051.00 577.50 283.00 88.00 7868.50
1985 73.00 195.00 343.50 679.50 920.00 1164.50 1311.50 1276.50 860.50 689.00 240.50 104.00 7857.50
1986 234.50 234.50 344.00 g 573.50 873.00 1162.50 1198.00 1303.00 855.50 590.03 a 308.00 85.50 7418.03
1987 86.50 194.00 300.00 708.50 879.00 1147.50 1194.00 1206.50 985.00 819.00 272.50 49.50 7842.00
1988 67.50 210.50 399.00 573.00 855.50 1131.00 1327.50 1224.00 956.00 861.50 0.00 z 130.00 7735.50
1989 81.00 231.00 493.79 c 786.00 903.00 1085.00 789.00 m 1224.50 1046.00 713.50 363.50 0.00 z 6927.29
1990 0.00 z 146.50 382.73 e 0.00 z 772.33 b 1167.78 c 1255.50 1139.50 1016.00 725.50 342.00 89.50 7037.34
1991 69.50 323.50 215.50 0.00 z 232.50 v 0.00 z 1262.00 1256.50 1040.50 815.00 314.50 140.50 5437.50
1992 90.50 268.00 347.50 684.00 910.50 1051.00 1212.32 c 1222.50 1073.00 794.00 229.50 66.00 7948.82
1993 155.50 156.00 390.50 0.00 z 970.09 b 1074.50 1221.00 1223.50 1021.50 731.00 233.50 102.50 7279.59
1994 101.50 146.50 418.50 610.50 823.50 1192.50 1325.50 1377.00 1053.50 641.00 199.00 105.50 7994.50
1995 79.50 318.50 399.50 503.50 765.50 1015.00 1314.00 1356.50 1157.00 766.00 446.00 140.50 8261.50
1996 111.00 321.00 408.00 658.00 944.39 c 1202.50 1403.00 1337.50 979.14 a 711.00 344.00 131.00 8550.53
1997 141.00 108.50 i 525.45 a 614.00 1068.00 1081.50 1297.98 d 1321.50 1125.00 684.50 313.50 49.00 i 8172.43
1998 112.50 75.50 327.00 455.00 433.50 n 0.00 z 1346.50 1352.50 1114.50 385.50 m 273.00 96.50 5153.00
1999 122.81 e 82.50 n 296.50 i 182.50 o 354.00 r 1151.11 c 1261.59 c 1306.65 a 1068.00 797.00 216.00 j 23.50 o 5707.16
2000 45.00 w 221.00 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 0.00 z 221.00
2001 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
2002 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
2003 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
2004 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 258.50 121.00 379.50
2005 181.50 211.50 365.50 585.50 924.00 1103.50 1363.50 1252.50 1056.50 748.50 395.00 126.50 8314.00
2006 156.00 249.00 317.50 610.50 978.50 1242.00 1412.00 1257.50 968.50 690.50 393.00 82.50 8357.50
2007 100.00 226.50 513.00 631.50 953.50 1170.50 1351.50 1331.00 1095.00 744.00 460.00 62.00 8638.50
2008 90.50 174.00 444.00 639.00 821.50 1201.50 1338.00 1299.00 1092.00 770.00 421.00 117.50 8408.00
2009 210.50 231.50 471.50 603.00 1063.00 1080.50 1421.00 1309.00 1113.50 663.50 414.00 70.50 8651.50
2010 161.50 215.50 356.00 564.00 807.00 1142.00 1383.50 1301.50 1139.00 761.00 294.00 214.00 8339.00
2011 127.50 134.00 475.00 668.00 830.50 1129.50 1353.00 1420.50 1137.50 779.50 315.00 73.50 8443.50
2012 192.50 223.50 412.50 689.50 981.00 1229.00 1306.00 1354.00 1089.50 777.07 a 444.50 127.00 8826.07
2013 120.50 153.00 503.46 d 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 776.96
Period of Record Statistics
MEAN 100.48 181.06 339.45 546.42 830.18 1069.01 1284.66 1231.00 1014.66 678.07 294.37 107.85 7695.29
S.D. 51.60 71.87 90.17 91.34 95.14 86.41 57.88 70.25 70.37 87.26 77.15 49.09 504.94
SKEW 0.38 0.04 0.12 0.05 0.09 -0.08 0.12 0.22 -0.23 -0.44 -0.06 0.73 0.27
MAX 245.50 323.50 584.00 786.00 1068.00 1244.00 1421.00 1420.50 1157.00 861.50 460.00 283.50 8826.07
MIN 1.55 42.50 138.47 356.50 580.06 868.50 1142.00 1080.41 850.00 416.00 141.21 29.50 6816.15
NO YRS 88 88 84 85 84 85 86 84 86 89 86 86 62