YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1981 | 0.00 | z | 1012.15 | a | 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 | 1012.15 | |
1982 | 1114.50 | 983.65 | e | 1098.00 | 1102.00 | 1221.18 | c | 1221.50 | 1311.50 | 1363.00 | 1270.86 | a | 1270.50 | 1176.00 | 1111.00 | 9999.00 | ||||||||||
1983 | 0.00 | z | 998.00 | 1157.50 | 1143.50 | 1197.00 | 1198.50 | 1261.50 | 1290.50 | 1254.50 | 1269.00 | 1166.50 | 1129.00 | 9999.00 | ||||||||||||
1984 | 1162.50 | a | 1042.50 | 1153.72 | a | 1121.50 | 1189.50 | 1173.50 | 1246.00 | 1243.10 | a | 1219.00 | 1256.05 | c | 1164.00 | 1088.50 | 9999.00 | |||||||||
1985 | 1034.50 | 961.50 | 1072.00 | 1060.20 | e | 1227.00 | 1183.50 | 1267.50 | 1272.00 | 1250.00 | 1247.50 | 1140.00 | 0.00 | z | 9999.00 | |||||||||||
1986 | 1095.00 | 1013.00 | 1217.50 | 1157.00 | 1256.00 | 1245.50 | 1325.00 | 1354.50 | 1291.00 | 1318.02 | a | 1206.50 | 1119.00 | 9999.00 | ||||||||||||
1987 | 1084.00 | 956.50 | 1105.50 | 1093.00 | 1143.38 | a | 1217.00 | 1296.00 | 1309.00 | 1306.50 | 1292.50 | 1182.00 | 1140.50 | 9999.00 | ||||||||||||
1988 | 1088.50 | 1052.50 | 1139.00 | 1131.00 | 1217.50 | 1193.00 | 1247.50 | 1264.11 | d | 1226.50 | 1251.00 | 1203.50 | 1145.50 | 9999.00 | ||||||||||||
1989 | 1103.50 | 965.50 | 1118.50 | 1097.00 | 1205.00 | 1202.50 | 1252.50 | 1265.00 | 1208.50 | 1261.50 | 1153.50 | 1094.50 | 9999.00 | |||||||||||||
1990 | 1054.00 | 936.00 | 1057.00 | 1111.00 | 1182.50 | 1176.00 | 1265.50 | 1290.00 | 1245.50 | 1253.00 | 1142.50 | 1082.93 | a | 9999.00 | ||||||||||||
1991 | 1052.00 | 990.50 | 1092.50 | 837.50 | g | 1151.50 | 1140.00 | 1222.50 | 1258.00 | 1211.00 | 1200.00 | 1143.50 | 1107.98 | b | 9999.00 | |||||||||||
1992 | 1024.55 | a | 969.00 | 1081.00 | 1095.50 | 1173.50 | 1186.50 | 1256.00 | 1267.50 | 1226.25 | b | 1260.15 | a | 1125.00 | c | 1118.50 | 9999.00 | |||||||||
1993 | 999.75 | a | 909.50 | 1061.75 | a | 1092.50 | 1140.50 | 1171.50 | 1228.38 | c | 1256.00 | 1229.50 | 1231.00 | 1096.50 | 1072.50 | 9999.00 | ||||||||||
1994 | 1025.00 | 953.00 | 1087.50 | 1086.00 | 1178.00 | 1154.50 | 1248.00 | 1274.50 | 1240.50 | 1236.50 | 1128.50 | 1061.23 | a | 9999.00 | ||||||||||||
1995 | 1026.62 | a | 928.15 | a | 1111.50 | 1086.43 | b | 1169.50 | 1163.79 | a | 1254.47 | a | 1250.85 | a | 1214.00 | 1216.50 | 1165.00 | 1127.37 | a | 9999.00 | ||||||
1996 | 1109.00 | 991.50 | 1059.17 | a | 1133.50 | 1226.50 | 1208.00 | 1275.50 | 1255.00 | 1209.00 | 1241.50 | 1142.50 | 1058.65 | a | 9999.00 | |||||||||||
1997 | 1041.08 | a | 976.00 | 1077.50 | 1100.00 | 1178.50 | 1182.50 | 1242.00 | 1251.00 | 1227.50 | 1220.00 | 1109.50 | 1058.00 | 9999.00 | ||||||||||||
1998 | 1024.50 | 937.00 | 1074.50 | 1066.00 | 1084.50 | 1102.00 | 1184.50 | 1218.00 | 1160.50 | 1177.00 | 1097.50 | 1056.50 | 9999.00 | |||||||||||||
1999 | 1029.00 | 921.00 | 1061.00 | 1038.50 | 1147.50 | 1106.00 | 1171.00 | 1184.50 | 1135.00 | 1138.50 | 1079.50 | 1056.07 | a | 9999.00 | ||||||||||||
2000 | 1010.50 | 950.50 | 1075.00 | 1035.00 | 1152.50 | 1142.00 | 1219.50 | 1237.00 | 1175.69 | a | 1200.50 | 1076.38 | a | 1049.50 | 9999.00 | |||||||||||
2001 | 1055.50 | 937.48 | a | 1053.48 | a | 1050.00 | 1127.00 | 1119.83 | a | 1188.33 | a | 1234.00 | 1182.50 | 1189.00 | 1091.50 | 1073.00 | 9999.00 | |||||||||
2002 | 1045.00 | 921.50 | 1062.50 | 1111.50 | 1158.50 | 1151.00 | 1227.50 | 1221.50 | 1150.50 | 1170.00 | 1093.97 | a | 1080.00 | 9999.00 | ||||||||||||
2003 | 1040.50 | 926.00 | 1079.00 | 1075.50 | 1150.50 | 1137.00 | 856.00 | i | 813.00 | k | 680.50 | j | 856.50 | h | 661.00 | l | 782.00 | i | 6408.50 | |||||||
2004 | 679.00 | k | 684.50 | j | 779.00 | i | 724.50 | j | 757.50 | k | 541.50 | p | 781.00 | k | 765.00 | l | 798.00 | j | 783.50 | k | 680.00 | l | 531.00 | p | 0.00 | |
2005 | 676.50 | k | 602.50 | j | 709.00 | k | 789.50 | i | 795.50 | j | 812.00 | i | 787.00 | k | 883.00 | i | 842.50 | i | 794.00 | j | 733.00 | j | 734.50 | j | 0.00 | |
2006 | 676.00 | k | 624.00 | i | 754.50 | i | 662.50 | k | 777.50 | i | 792.00 | i | 763.50 | k | 877.00 | i | 778.00 | j | 845.00 | i | 703.50 | k | 667.00 | k | 0.00 | |
2007 | 672.00 | j | 585.00 | i | 681.00 | j | 660.50 | j | 746.50 | i | 672.50 | k | 750.50 | j | 790.50 | i | 683.00 | k | 811.00 | h | 664.50 | j | 624.00 | k | 0.00 | |
2008 | 613.50 | j | 596.00 | i | 602.50 | l | 713.00 | h | 649.00 | k | 673.50 | j | 768.50 | i | 695.50 | k | 718.50 | i | 755.00 | i | 487.50 | o | 652.00 | j | 0.00 | |
2009 | 581.50 | k | 568.00 | i | 545.50 | l | 642.50 | i | 668.50 | k | 740.00 | i | 776.50 | i | 652.00 | m | 745.00 | i | 748.00 | j | 591.00 | l | 678.50 | i | 0.00 | |
2010 | 587.00 | l | 552.00 | j | 671.00 | i | 652.00 | i | 656.50 | k | 662.00 | j | 731.50 | j | 815.00 | j | 742.00 | k | 786.00 | k | 682.00 | l | 759.50 | j | 0.00 | |
2011 | 692.00 | k | 680.00 | i | 807.00 | i | 707.50 | k | 795.50 | j | 806.00 | i | 758.00 | k | 786.00 | k | 746.00 | k | 808.50 | j | 590.50 | n | 626.50 | m | 0.00 | |
2012 | 613.50 | m | 408.50 | q | 661.50 | l | 681.00 | k | 766.50 | j | 677.50 | l | 806.50 | j | 788.00 | k | 698.50 | l | 787.00 | k | 659.00 | l | 633.00 | m | 0.00 | |
2013 | 630.50 | l | 164.00 | w | 380.50 | t | 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 | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1058.07 | 966.63 | 1095.23 | 1094.60 | 1176.25 | 1171.62 | 1247.18 | 1264.72 | 1220.68 | 1233.32 | 1137.33 | 1091.51 | 13745.19 | |||||||||||||
S.D. | 41.19 | 39.12 | 40.93 | 32.93 | 39.58 | 37.58 | 38.62 | 41.48 | 43.49 | 43.09 | 39.14 | 31.15 | 406.44 | |||||||||||||
SKEW | 0.84 | 0.59 | 1.45 | -0.08 | -0.06 | -0.11 | -0.03 | 0.74 | -0.09 | -0.30 | 0.08 | 0.29 | 0.17 | |||||||||||||
MAX | 1162.50 | 1052.50 | 1217.50 | 1157.00 | 1256.00 | 1245.50 | 1325.00 | 1363.00 | 1306.50 | 1318.02 | 1206.50 | 1145.50 | 14598.02 | |||||||||||||
MIN | 999.75 | 909.50 | 1053.48 | 1035.00 | 1084.50 | 1102.00 | 1171.00 | 1184.50 | 1135.00 | 1138.50 | 1076.38 | 1049.50 | 9999.00 | |||||||||||||
NO YRS | 21 | 23 | 22 | 21 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 20 | 18 |