Snow Climatology > State Selection > Options > Station or County Selection > Parameters > Return P

Extreme Snowfall Amount
Corresponding to 4 Return Periods
(plus Observed Extreme).


PHILADELPHIA WSCMO AP,     Pennsylvania


   Based on data from 1949- 2006
Time Frame Snowfall Amount # of Years with
Return Period Observed
Max		 Non-zero
Data		 Non-missing
Data
10-Yr 25-Yr 50-Yr 100-Yr
1-day 10.2 13.4 16.0 18.8 27.6 57 58
2-day 11.5 15.3 18.5 21.9 30.7 57 58
3-day 11.7 15.4 18.5 21.8 31.0 57 58
August-July NA NA NA NA 60.5 15 16
   All snowfall amounts are in inches.
   * = value > 0 but less than units resolution.
   NA = Not Applicable, or insufficient data to compute.