Rainfall-Frequency Maps

Each map shows the probable maximum precipitation (inches)
that may occur in a 1 hour, 6 hour or 24 hour period.

Rainfall-Frequency Maps for Southeast Alaska

Years 1 hour 6 hour 24 hour
2 yr SE AK SE AK SE AK
10 yr SE AK SE AK SE AK
100 yr SE AK SE AK SE AK

Rainfall-Frequency Maps for Southcentral Alaska

Years 1 hour 6 hour 24 hour
2 yr SC AK SC AK SC AK
10 yr SC AK SC AK SC AK
100 yr SC AK SC AK SC AK

Rainfall-Frequency Maps for the Southern Alaska

Years 1 hour 6 hour 24 hour
2 yr Srn AK Srn AK Srn AK
10 yr Srn AK Srn AK Srn AK
100 yr Srn AK Srn AK Srn AK

Rainfall-Frequency Maps for the Northern and Interior Alaska

Years 1 hour 6 hour 24 hour
2 yr Nrn AK Nrn AK Nrn AK
10 yr Nrn AK Nrn AK Nrn AK
100 yr Nrn AK Nrn AK Nrn AK

Images were obtained from the publication below

Technical Paper NO. 47

Probable Maximum Precipitation
and Rainfall-Frequency Data for Alaska


for Areas to 400 Square Miles, Duration to 24 Hours
and Return Periods from 1 to 100 Years

Table of Contents

Prepared by
John F. Miller
Cooperative Studies Section, Hydrologic Services Division, U.S. Weather Bureau
for
Engineering Division, Soil Conservation Services, U.S. Department of Agriculture

Washington, D.C.
1963