MERCED MUNICIPAL ARPT, CALIFORNIA

Monthly Total Growing Degree Days

(045532)

Base Temperature = 40 F

File last updated on Apr 4, 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
1899 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1095.52 a 1225.00 1044.00 1067.00 619.50 423.00 127.21 b 5601.22
1900 197.07 c 250.00 521.32 a 471.72 a 731.60 a 1043.57 b 0.00 z 0.00 z 0.00 z 0.00 z 484.66 a 0.00 z 3699.94
1901 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1264.00 877.24 a 845.00 479.48 a 157.50 3623.22
1902 69.00 236.00 264.50 519.50 733.15 a 1046.50 1157.50 1134.60 a 1035.50 713.50 303.00 144.50 7357.25
1903 82.50 94.00 0.00 z 473.00 822.00 1200.50 1176.40 b 1240.55 c 984.50 673.00 323.00 111.00 7180.45
1904 149.50 379.59 a 518.00 563.04 b 887.50 981.50 1120.65 a 1256.00 1108.00 0.00 z 443.00 189.00 7595.77
1905 290.50 357.00 524.00 634.66 a 743.50 992.00 0.00 z 1076.14 c 879.50 698.50 362.50 127.62 a 6685.92
1906 262.50 417.00 420.50 558.10 a 688.64 c 890.00 1368.00 1255.50 985.50 793.08 a 361.00 179.50 8179.33
1907 123.00 401.50 380.27 a 631.00 762.08 a 942.12 d 1225.50 1074.50 0.00 z 699.29 e 0.00 z 219.77 c 6459.02
1908 201.50 a 158.00 415.00 0.00 z 622.50 834.00 1350.00 1224.50 a 944.50 571.00 347.50 152.50 6821.00
1909 262.50 226.50 325.50 699.00 668.50 783.00 1155.50 1060.00 905.50 658.00 340.00 328.00 7412.00
1910 269.50 258.50 0.00 z 0.00 z 0.00 z 1035.50 1162.00 1097.50 899.50 781.50 409.00 230.00 6143.00
1911 250.00 204.00 414.50 482.50 705.00 1060.00 1266.50 1031.50 849.50 676.00 389.00 235.50 7564.00
1912 206.50 230.00 375.50 468.50 845.00 1093.00 1288.50 1159.50 1014.50 652.50 441.72 a 257.00 8032.22
1913 266.50 307.50 429.50 570.50 815.50 907.50 1185.00 1248.00 1044.50 781.00 442.00 205.00 8202.50
1914 320.50 339.50 532.50 616.00 868.50 956.50 1176.50 1160.00 867.50 702.50 438.00 133.50 8111.50
1915 197.00 309.00 500.00 559.00 668.00 987.50 1179.50 1193.50 928.50 761.00 361.00 224.50 7868.50
1916 128.50 385.00 477.00 596.50 708.50 941.00 1134.50 1088.00 922.24 a 545.50 263.50 113.50 7303.74
1917 76.50 263.50 303.50 522.50 644.00 1059.00 1334.50 1165.50 990.00 799.00 420.50 229.50 7808.00
1918 157.50 245.00 435.50 557.00 689.50 1191.50 1155.50 1108.00 890.50 736.50 307.00 104.00 7577.50
1919 145.50 208.00 310.50 569.50 852.50 994.00 1223.50 1149.07 a 920.00 581.50 276.00 164.50 7394.57
1920 175.50 262.50 315.00 517.50 814.00 1019.00 1134.00 1206.00 894.50 567.50 334.00 198.00 7437.50
1921 191.50 291.50 497.00 566.50 694.50 1061.00 1254.00 1130.00 888.00 722.50 394.50 242.50 7933.50
1922 55.50 233.50 317.00 471.00 815.00 1020.00 1256.50 1121.50 1079.50 677.00 245.50 243.00 7535.00
1923 150.50 218.50 440.00 487.00 756.00 856.00 1172.50 1125.50 1039.00 661.50 444.00 114.00 7464.50
1924 161.50 419.50 335.00 630.50 961.50 1060.00 1169.50 1138.50 995.50 630.50 358.00 173.00 8033.00
1925 191.50 347.00 407.00 558.00 841.50 1094.00 1271.00 1115.00 841.00 654.00 350.50 183.50 7854.00
1926 89.50 350.50 581.50 772.50 921.00 1142.00 1267.00 1185.50 877.50 766.00 554.00 177.00 8684.00
1927 219.50 345.50 379.00 537.50 858.00 1060.50 1318.50 1148.00 891.50 779.50 404.50 177.00 8119.00
1928 175.50 290.50 545.00 590.50 989.50 1093.00 1182.00 1168.50 996.00 706.50 395.50 133.00 8265.50
1929 93.50 230.50 422.00 478.50 868.50 993.50 1208.50 1221.50 0.00 z 741.00 371.50 308.00 6937.00
1930 162.50 367.50 449.00 617.00 691.50 1028.50 1199.50 1128.00 899.00 657.50 392.50 117.00 7709.50
1931 200.00 310.00 440.50 715.00 974.50 967.50 1371.50 1251.50 883.50 686.50 338.50 166.00 8305.00
1932 118.00 216.00 443.00 525.00 847.50 1026.50 1186.50 1120.50 1031.00 697.00 528.00 93.00 7832.00
1933 78.00 168.50 437.50 573.00 669.00 961.00 1322.50 1203.00 884.00 873.50 413.00 171.00 7754.00
1934 163.27 a 332.00 588.50 737.50 912.00 947.00 1199.50 1156.00 973.00 722.50 398.50 167.50 8297.27
1935 174.00 230.50 267.00 530.50 783.00 1175.50 1163.00 1198.00 973.50 658.50 266.00 182.00 7601.50
1936 229.00 249.50 440.50 573.50 857.00 1022.07 a 1274.00 1225.00 1000.00 766.50 363.50 112.50 8113.07
1937 32.50 228.50 396.50 491.00 836.50 959.00 1273.00 1211.00 962.50 755.00 413.00 230.50 7789.00
1938 117.50 254.50 335.50 526.00 818.50 1046.50 1216.00 1137.00 1017.00 674.00 256.50 217.00 7616.00
1939 155.50 139.00 391.50 696.50 850.00 1025.00 1154.00 1142.00 989.00 659.50 378.50 212.00 7792.50
1940 244.00 322.00 473.00 606.00 912.00 1131.50 1176.50 1168.50 897.50 691.50 301.00 281.00 8204.50
1941 273.50 331.00 478.00 499.50 842.00 938.50 1216.00 1040.00 873.00 634.50 387.50 290.00 7803.50
1942 238.50 236.00 398.00 572.00 723.00 973.00 1200.00 1133.00 925.00 737.80 a 404.00 0.00 z 7540.30
1943 187.03 a 291.00 447.50 567.00 852.00 860.50 1137.50 1013.70 a 972.00 676.50 389.50 212.00 7606.23
1944 204.50 232.50 398.50 476.00 818.50 881.00 249.00 x 1062.50 979.00 746.50 315.00 196.50 6310.50
1945 97.50 276.50 288.00 558.50 754.00 989.50 1230.50 1093.78 a 971.00 299.50 s 317.59 a 208.00 6784.87
1946 105.00 171.50 402.50 636.00 797.50 930.50 1148.50 1111.00 935.50 571.50 230.00 150.50 7190.00
1947 52.00 285.00 484.00 664.50 932.30 d 997.00 1072.50 1051.00 989.00 693.00 230.50 109.00 7559.80
1948 248.00 168.00 313.50 507.00 704.50 963.00 1095.50 1046.00 898.00 663.50 300.00 88.00 6995.00
1949 12.50 g 143.63 a 381.00 682.50 801.35 a 1014.00 1133.05 a 1031.00 966.00 625.96 e 460.50 133.50 7372.49
1950 112.50 292.00 438.50 669.83 a 675.00 f 961.50 1215.00 1168.70 a 931.03 a 749.17 d 509.00 322.00 7369.23
1951 97.50 s 261.50 411.50 617.00 843.00 964.00 1136.00 1100.00 995.00 708.00 458.50 176.50 7671.00
1952 194.50 299.00 347.00 616.00 887.50 856.00 1240.00 1143.00 1019.00 839.00 349.50 250.00 8040.50
1953 321.37 a 285.00 423.50 594.00 697.00 876.50 1258.17 b 1071.50 1045.50 538.00 h 437.50 191.00 7201.04
1954 153.00 g 274.00 379.00 716.38 a 879.50 969.60 e 1256.50 1059.50 919.00 726.90 b 380.00 112.50 f 7560.38
1955 86.00 g 214.67 a 409.09 c 481.03 a 606.50 j 937.50 d 1122.00 1188.50 994.00 535.00 h 339.64 b 251.00 h 5686.43
1956 222.00 f 202.50 470.00 607.24 a 814.50 1008.89 c 953.50 f 1067.43 a 987.41 a 678.12 c 251.50 l 130.00 h 5836.10
1957 95.14 b 366.59 a 466.66 c 634.66 a 796.18 a 788.00 i 1145.85 d 678.00 k 943.39 b 642.39 d 328.93 b 148.05 b 5567.84
1958 241.11 d 403.31 b 353.50 583.00 910.00 967.76 a 1168.81 d 1274.00 982.76 a 820.95 c 363.21 b 279.00 8347.41
1959 274.50 235.76 c 529.77 c 726.00 789.97 b 1038.00 e 1234.26 d 1121.74 d 901.00 793.71 b 398.50 181.00 8224.20
1960 212.87 a 299.84 a 533.50 583.45 a 785.50 1129.80 e 1266.35 a 1159.92 a 1007.07 a 702.67 a 333.75 b 125.50 8140.21
1961 135.07 c 345.50 442.00 637.50 742.97 a 1140.00 d 1276.96 e 1262.14 c 965.50 759.50 b 380.17 a 158.00 8245.31
1962 74.40 a 224.00 361.00 700.00 735.00 996.50 1151.00 1123.75 c 971.25 b 707.00 446.38 a 207.18 a 7697.46
1963 86.59 b 473.50 425.00 469.82 b 825.63 a 946.61 b 1094.62 b 1118.07 a 1042.50 773.00 343.00 27.50 7625.84
1964 126.50 231.50 406.10 a 575.77 d 746.07 a 970.00 1218.00 1190.50 914.50 847.00 334.00 318.50 7878.44
1965 214.50 262.00 454.50 577.00 803.00 877.50 1147.00 1150.50 840.50 795.50 445.34 a 108.50 7675.84
1966 193.75 a 244.50 520.80 a 719.48 a 907.00 1008.21 b 1151.13 a 1257.10 b 998.00 774.50 490.00 197.37 a 8461.85
1967 182.38 a 235.50 409.20 a 328.93 b 818.83 b 934.66 a 1316.00 1319.00 1089.50 818.50 533.79 a 136.92 a 8123.20
1968 172.64 b 491.45 a 525.00 650.17 a 833.50 1077.00 1194.03 b 1064.50 994.82 b 741.50 402.93 a 167.00 8314.54
1969 176.50 190.62 b 440.00 590.69 a 653.00 h 926.25 b 1202.00 1196.00 1033.45 a 603.43 b 379.82 b 187.03 a 6925.79
1970 215.93 b 346.37 a 469.50 512.78 c 928.50 1030.34 a 1286.00 1172.32 a 998.00 722.09 b 441.50 198.18 c 8321.50
1971 199.43 a 213.00 434.00 564.81 d 735.50 979.29 b 1225.50 1206.33 b 1000.50 664.43 a 311.79 b 77.50 d 7612.07
1972 70.78 a 369.50 662.00 623.00 943.00 1101.00 1223.00 1178.00 960.00 721.00 301.73 d 114.50 8267.51
1973 191.68 a 312.00 349.00 634.00 971.50 1099.66 a 1187.00 1141.00 925.50 712.50 381.00 219.00 8123.84
1974 252.50 273.00 472.75 a 572.00 849.50 1041.72 a 1182.50 1142.50 1044.00 768.00 370.34 a 150.00 8118.82
1975 93.00 a 256.00 357.50 452.50 888.00 1018.50 1137.50 1095.50 1028.28 a 663.00 355.00 c 120.56 d 7465.33
1976 152.00 319.50 406.50 494.50 904.50 1021.07 b 1200.00 1023.00 954.83 a 763.50 433.00 124.50 7796.90
1977 92.50 306.50 319.50 663.00 653.00 1101.00 1183.50 1142.50 946.50 738.00 407.00 306.50 7859.50
1978 286.00 283.00 527.50 450.00 782.50 934.66 a 1165.82 c 1097.50 882.50 793.00 292.50 55.00 7549.98
1979 159.00 228.50 452.00 500.50 609.00 i 759.50 g 907.50 g 973.40 a 993.00 e 788.29 c 373.00 242.50 4710.19
1980 313.50 376.50 392.50 580.86 a 734.91 b 893.00 1225.53 a 1128.92 a 957.00 e 782.00 423.50 200.98 a 8009.21
1981 284.88 b 332.89 a 418.00 611.50 863.87 a 1195.34 a 1199.50 1131.00 999.50 630.85 a 432.41 a 289.00 8388.74
1982 97.50 319.00 381.00 542.50 0.00 z 885.00 1132.00 1128.50 894.00 714.00 284.50 145.50 6523.50
1983 145.00 344.50 479.50 506.50 829.50 0.00 z 1097.50 1202.00 1038.00 800.00 403.50 323.50 7169.50
1984 188.50 253.50 505.50 574.00 953.50 1029.00 1294.50 1206.50 1129.00 648.50 372.00 175.00 8329.50
1985 84.50 270.00 346.50 730.00 820.00 0.00 z 1265.50 1098.50 869.00 675.00 329.00 110.00 6598.00
1986 349.50 376.50 541.00 576.00 838.00 1021.00 1153.50 1197.50 854.50 763.00 436.50 0.00 z 8107.00
1987 135.00 312.50 0.00 z 729.00 0.00 z 1053.50 1037.50 1145.00 999.00 875.00 373.50 230.50 6890.50
1988 218.00 349.00 514.50 670.50 822.00 1006.00 1302.00 1155.00 967.50 801.00 428.00 156.50 8390.00
1989 11.50 z 224.00 528.50 726.50 0.00 z 1026.00 1200.00 1125.00 948.50 722.50 378.00 106.50 6985.50
1990 174.50 215.50 474.00 742.00 834.00 1040.00 1254.00 1177.00 1000.00 836.50 375.50 86.50 8209.50
1991 192.00 421.50 366.50 553.50 765.00 947.50 1254.50 1102.00 1093.50 888.00 437.50 150.50 8172.00
1992 96.50 399.00 516.00 706.00 1013.50 1016.50 1161.50 1189.00 1013.00 826.00 401.50 166.50 8505.00
1993 206.00 314.50 569.00 589.00 858.00 1040.00 759.00 k 1160.00 995.50 835.00 398.50 177.50 7143.00
1994 208.00 255.50 551.50 626.00 833.00 1038.50 1220.00 1192.50 1003.00 735.00 271.00 141.50 8075.50
1995 353.00 359.00 452.50 579.50 760.00 923.00 1192.00 1212.00 1024.50 834.50 571.50 347.00 8608.50
1996 263.00 423.00 518.50 674.50 872.00 1042.50 1307.00 1252.00 961.50 713.00 427.00 308.50 8762.50
1997 262.50 328.00 566.50 674.00 1025.00 1023.50 1202.50 1195.00 1094.50 754.00 509.00 156.00 8790.50
1998 277.50 308.50 514.00 574.00 666.50 930.00 1229.00 1248.00 1035.50 702.50 396.50 128.50 8010.50
1999 180.00 251.00 371.00 507.41 a 818.40 a 970.50 1165.00 1124.78 a 1047.41 a 861.50 465.00 193.48 b 7955.49
2000 311.66 c 386.50 487.00 688.00 891.50 1140.50 1124.50 1200.00 1001.90 a 740.50 289.14 a 241.00 8502.20
2001 175.15 a 275.50 558.50 564.83 a 1089.65 a 1125.52 a 1200.00 1191.95 a 1033.93 b 841.00 479.46 b 223.89 d 8759.38
2002 143.00 314.50 435.00 634.50 861.05 b 0.00 z 1252.18 c 1121.50 1023.00 729.00 441.50 289.00 7244.23
2003 269.00 281.50 491.50 503.50 872.50 1065.00 1326.00 1158.37 a 1091.50 885.50 359.50 303.50 8607.37
2004 202.00 310.50 640.50 719.50 890.00 1036.00 1223.50 1181.00 995.00 c 713.00 346.50 183.50 8441.00
2005 194.50 377.00 519.50 552.50 874.00 955.50 1338.50 1269.50 946.50 806.50 488.50 328.50 8651.00
2006 250.00 316.50 311.50 587.00 955.50 1145.00 1381.00 1139.50 940.00 670.50 413.50 177.50 8287.50
2007 105.00 241.00 504.78 a 641.00 935.96 e 1042.50 946.50 g 1207.00 959.50 681.50 473.00 165.85 a 6957.10
2008 190.00 270.00 472.50 591.50 873.50 1067.50 1222.00 1242.50 1047.00 799.50 502.00 143.50 8421.50
2009 210.50 298.00 446.50 602.00 1006.00 990.00 1249.50 1169.00 1105.50 688.50 403.00 185.00 8353.50
2010 232.00 341.50 425.00 475.50 705.00 1035.50 1202.00 1144.50 1001.50 826.00 401.50 304.50 8094.50
2011 149.63 e 229.60 c 407.13 a 589.00 689.20 c 942.41 a 1113.50 1129.78 d 846.00 f 742.40 b 318.33 c 91.34 c 6402.33
2012 146.50 h 213.50 h 313.50 h 395.50 k 720.50 f 717.00 i 705.50 k 748.50 l 766.00 h 783.61 d 483.50 266.50 1533.61
2013 159.50 245.00 592.50 20.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.00 z 997.00
Period of Record Statistics
MEAN 182.91 288.15 441.60 587.36 823.05 1007.57 1209.50 1151.76 972.60 729.40 387.36 187.09 8006.51
S.D. 71.57 72.37 80.80 81.49 94.43 81.29 68.33 65.74 65.61 74.95 70.22 68.18 401.65
SKEW 0.14 0.20 0.10 0.01 0.12 0.03 0.33 -0.08 0.02 -0.05 0.07 0.40 -0.16
MAX 353.00 491.45 662.00 772.50 1089.65 1200.50 1381.00 1319.00 1129.00 888.00 571.50 347.00 8790.50
MIN 32.50 94.00 264.50 328.93 622.50 783.00 1037.50 973.40 840.50 545.50 230.00 27.50 6995.00
NO YRS 106 112 109 109 103 107 105 111 109 109 112 108 80