CCM Question #2: John's Values

Estimated Greenbrae Info

Mean Rainfall Greenbrae: ~ 36"

Rainfall Range 67% of Time ~ 23.52 to 48.49

100 y 24 h ~ 9.20

100 y 1 h ~ 2.29

Procedure:

(a) Took Kentfields standard deviation and calculated coefficient of variation (16.30/46.96 = 0.346). Multiplied that by the estimated mean annual rainfall at Greenbrae from Rantz's map (~36") to get +/- 12.49". Added and subtracted to get range.

(b)) Took Kentfield's rainfall info. Established ratio based upon mean rainfall at Kentfield and estimated mean annual rainfall at Greenbrae (0.77). Multiplied this ratio to Kentfield's 100 y 24 h and 1 h totals.