Table 5.3-3. Monthly and annual average number of days (%) on which precipitation was
recorded at CFA.

                  Trace          0.01 in.         0.10 in.         0.50 in.          1.0 in.
                or More(a)      or More(b)       or More(b)       or More(b)        or More(b)
                   (%)             (%)              (%)              (%)               (%)

January             40              23                7              0.6               0.0
February            35              20                7              0.6               0.0
March               32              19                7              0.3               0.0
April               31              21                8              0.7               0.1
May                 35              25               13              1.3               0.0
June                34              22               11              1.8               0.2
July                17              12                4              0.7               0.1
August              21              13                5              0.8               0.0
September           19              13                6              0.8               0.2
October             20              12                5              0.5               0.0
November            27              18                7              0.4               0.0
December            35              22                8              0.5               0.1

ANNUAL              28              18                7              0.8               0.0

a. Data period of record spans March 1950 through September 1983.
b. Data period of record spans March 1950 through December 2005.