YEAR(S | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1965 | 701.00 | 549.50 | 671.50 | 742.00 | 829.77 | a | 877.50 | 934.00 | 945.50 | b | 896.38 | a | 862.00 | 800.00 | 706.00 | 9515.15 | ||||||||||
1966 | 673.00 | 614.50 | 750.00 | 719.00 | 854.22 | d | 898.97 | a | 932.67 | b | 978.50 | 938.50 | 917.00 | 794.00 | 774.00 | 9844.36 | ||||||||||
1967 | 679.50 | 671.00 | 737.00 | 732.50 | 887.50 | 879.00 | 959.97 | a | 962.50 | 922.50 | 924.50 | 812.50 | 737.50 | 9905.97 | ||||||||||||
1968 | 703.00 | 662.00 | 777.50 | 811.00 | 863.00 | 896.00 | 944.50 | 975.00 | 953.00 | 927.86 | b | 870.00 | 738.50 | 9999.00 | ||||||||||||
1969 | 595.72 | a | 671.50 | 738.66 | b | 742.50 | 825.00 | 863.00 | 931.50 | 942.73 | c | 886.50 | 856.50 | 788.28 | a | 752.02 | b | 9593.90 | ||||||||
1970 | 729.02 | a | 610.00 | 762.00 | 773.04 | b | 591.50 | j | 695.00 | f | 909.50 | 968.50 | 890.69 | a | 897.50 | 793.50 | 812.50 | 8146.24 | ||||||||
1971 | 682.50 | 684.44 | a | 792.00 | 787.50 | 821.00 | 824.00 | 889.50 | 899.50 | 868.00 | 882.50 | 801.00 | 751.00 | 9682.94 | ||||||||||||
1972 | 663.50 | 625.57 | a | 719.41 | b | 727.00 | 806.50 | 825.52 | a | 892.91 | c | 919.31 | b | 876.00 | 879.50 | 780.00 | 657.95 | b | 9373.17 | |||||||
1973 | 686.13 | a | 602.00 | 763.12 | a | 736.50 | 801.50 | 826.00 | 886.08 | a | 885.00 | 849.00 | 867.00 | 789.50 | 724.48 | d | 9416.32 | |||||||||
1974 | 762.60 | a | 671.50 | 729.50 | 770.50 | 829.77 | a | 852.93 | a | 910.00 | 946.50 | 853.50 | 882.47 | a | 740.50 | 769.00 | 9718.76 | |||||||||
1975 | 665.50 | 593.50 | 692.00 | 688.45 | a | 727.98 | a | 769.50 | 872.50 | 902.10 | a | 852.41 | a | 866.50 | 778.93 | b | 677.50 | 9086.87 | ||||||||
1976 | 725.29 | b | 626.50 | 708.50 | 739.29 | b | 798.25 | a | 773.50 | 842.00 | 878.33 | a | 862.50 | 881.50 | 748.50 | 760.00 | 9344.16 | |||||||||
1977 | 743.50 | 692.50 | 785.33 | a | 751.00 | 813.50 | 822.93 | a | 874.50 | 931.00 | 882.50 | 899.00 | 798.00 | 724.00 | 9717.76 | |||||||||||
1978 | 672.00 | 588.50 | 729.00 | 730.50 | 831.32 | a | 857.00 | 950.50 | 962.50 | 930.50 | 893.50 | 778.00 | 746.67 | b | 9669.99 | |||||||||||
1979 | 684.50 | 624.50 | 702.00 | 725.50 | 815.00 | 604.50 | g | 893.32 | a | 912.95 | a | 916.50 | 922.00 | 803.50 | 777.50 | 8777.27 | ||||||||||
1980 | 713.50 | 654.50 | 801.50 | 799.14 | a | 880.00 | 875.50 | 935.50 | 934.00 | 923.50 | 914.00 | 831.50 | 792.00 | 9999.00 | ||||||||||||
1981 | 764.00 | 701.00 | 797.50 | 797.50 | 855.08 | a | 905.00 | 944.50 | 957.00 | 923.00 | 886.50 | 811.50 | 775.52 | a | 9999.00 | |||||||||||
1982 | 716.50 | 638.00 | 706.50 | 745.34 | a | 838.00 | 859.50 | 952.00 | 957.50 | 926.00 | 884.50 | 800.00 | 717.00 | 9740.84 | ||||||||||||
1983 | 694.50 | 625.00 | 748.13 | a | 751.50 | 814.27 | a | 859.66 | a | 906.00 | 916.50 | 849.00 | 864.12 | c | 801.00 | 729.53 | a | 9559.21 | ||||||||
1984 | 768.50 | 715.16 | a | 819.43 | a | 812.50 | 870.50 | 877.00 | 942.92 | a | 946.10 | e | 920.69 | a | 921.70 | c | 864.81 | d | 751.20 | c | 9999.00 | |||||
1985 | 706.59 | b | 681.92 | d | 756.29 | b | 752.59 | a | 816.52 | c | 609.00 | i | 953.52 | b | 948.82 | c | 892.50 | d | 892.59 | b | 737.50 | 724.22 | b | 8863.05 | ||
1986 | 703.04 | c | 627.20 | c | 817.07 | c | 806.00 | 877.00 | 872.88 | d | 951.00 | 989.42 | a | 944.42 | d | 922.25 | a | 874.04 | d | 764.50 | 9999.00 | |||||
1987 | 739.35 | a | 589.62 | b | 742.45 | a | 759.11 | b | 621.50 | f | 695.50 | f | 988.38 | a | 0.00 | z | 492.50 | n | 900.00 | 821.00 | 777.58 | a | 6317.49 | |||
1988 | 713.00 | b | 703.00 | 774.48 | a | 777.41 | a | 846.82 | a | 871.00 | 929.00 | 949.12 | a | 911.50 | 898.48 | a | 858.00 | 792.71 | c | 9999.00 | ||||||
1989 | 760.07 | d | 670.88 | c | 783.55 | b | 548.00 | g | 844.15 | e | 882.41 | a | 934.13 | a | 934.28 | b | 897.32 | b | 886.08 | a | 0.00 | z | 691.96 | c | 8284.85 | |
1990 | 749.68 | a | 616.00 | b | 730.50 | 798.00 | e | 830.11 | d | 866.50 | 928.50 | 972.88 | a | 762.00 | f | 942.92 | a | 821.00 | 757.90 | b | 9013.99 | |||||
1991 | 689.00 | 670.38 | b | 707.50 | 770.00 | 834.33 | b | 840.00 | 911.50 | 950.15 | a | 897.50 | 891.50 | 841.00 | 781.50 | 9784.36 | ||||||||||
1992 | 667.00 | 615.21 | a | 724.62 | c | 517.00 | i | 799.00 | 891.00 | 903.00 | 0.00 | z | 0.00 | z | 28.50 | z | 807.86 | b | 800.00 | 6207.70 | ||||||
1993 | 638.50 | 579.50 | 723.33 | a | 787.76 | a | 830.50 | 887.59 | a | 908.50 | 933.62 | a | 892.50 | 869.00 | 761.50 | 737.50 | 9549.79 | |||||||||
1994 | 634.50 | 637.78 | a | 700.00 | 754.00 | 861.00 | 865.00 | 938.00 | 955.50 | 935.00 | 939.50 | 860.00 | 755.50 | 9835.78 | ||||||||||||
1995 | 699.00 | 614.50 | 758.00 | 754.50 | 836.00 | 876.72 | a | 961.52 | a | 955.00 | 921.50 | 930.50 | 830.50 | 829.25 | a | 9966.99 | ||||||||||
1996 | 740.56 | d | 643.91 | b | 696.98 | a | 835.18 | b | 880.50 | 923.50 | 976.00 | 990.00 | 933.00 | 951.00 | 812.59 | a | 710.00 | 9999.00 | ||||||||
1997 | 658.75 | a | 703.50 | 783.50 | 776.50 | 795.50 | 915.00 | 952.00 | 979.00 | 949.00 | 924.00 | 766.00 | 743.50 | 9946.25 | ||||||||||||
1998 | 663.00 | 623.50 | 758.00 | 759.50 | 810.50 | 829.50 | 895.50 | 949.12 | a | 907.50 | 903.50 | 815.00 | 763.00 | 9677.62 | ||||||||||||
1999 | 720.50 | 659.00 | 761.00 | 762.50 | 832.50 | 848.00 | 888.50 | 941.00 | 893.28 | a | 647.00 | h | 816.72 | a | 755.50 | 8878.50 | ||||||||||
2000 | 710.50 | 695.50 | 789.00 | 748.97 | a | 872.50 | 894.50 | 944.90 | e | 977.03 | b | 904.50 | 937.50 | 835.50 | 769.50 | 9999.00 | ||||||||||
2001 | 763.50 | 668.50 | 782.50 | 806.00 | 581.50 | j | 653.50 | h | 960.00 | 972.50 | 935.50 | 904.68 | a | 789.50 | 800.50 | 8383.18 | ||||||||||
2002 | 719.00 | 637.50 | 744.50 | 777.50 | 866.45 | a | 910.00 | 951.50 | 985.59 | b | 912.50 | 896.13 | d | 816.92 | d | 509.50 | k | 9217.59 | ||||||||
2003 | 698.50 | 451.50 | i | 633.00 | f | 813.00 | 884.50 | 914.00 | 995.10 | a | 994.50 | 934.00 | 944.50 | 829.00 | 767.50 | 8774.60 | ||||||||||
2004 | 710.70 | d | 743.00 | 739.50 | 806.50 | 856.67 | e | 926.50 | 769.50 | f | 987.00 | 952.00 | 950.31 | b | 782.88 | d | 767.50 | 9222.57 | ||||||||
2005 | 712.48 | a | 667.33 | a | 722.00 | 818.00 | 904.50 | 901.55 | a | 959.50 | 955.32 | a | 942.50 | 890.00 | 825.50 | 752.78 | a | 9999.00 | ||||||||
2006 | 765.18 | a | 604.07 | a | 743.47 | b | 762.93 | a | 795.15 | a | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 3670.80 | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 704.43 | 645.68 | 748.02 | 767.70 | 836.83 | 868.28 | 928.36 | 949.77 | 907.28 | 902.68 | 807.18 | 752.91 | 9787.34 | |||||||||||||
S.D. | 39.23 | 41.92 | 35.81 | 32.55 | 34.10 | 37.21 | 33.35 | 28.84 | 30.31 | 26.45 | 33.14 | 35.38 | 283.38 | |||||||||||||
SKEW | -0.33 | 0.07 | 0.06 | 0.00 | -0.49 | -0.81 | -0.34 | -0.62 | -0.42 | 0.16 | 0.02 | -0.44 | -0.46 | |||||||||||||
MAX | 768.50 | 743.00 | 819.43 | 835.18 | 904.50 | 926.50 | 995.10 | 994.50 | 953.00 | 951.00 | 874.04 | 829.25 | 10210.50 | |||||||||||||
MIN | 595.72 | 549.50 | 671.50 | 688.45 | 727.98 | 769.50 | 842.00 | 878.33 | 849.00 | 856.50 | 737.50 | 657.95 | 9086.87 | |||||||||||||
NO YRS | 42 | 41 | 41 | 40 | 39 | 36 | 40 | 39 | 38 | 39 | 40 | 40 | 29 |