← 1930All Years1932 →
1931 on the other records:HottestSinceColdestSinceWettestSince
The Year in Rain & Snow

1931

93%
ran at 93% of normal — drier than usual — across 286 cities, the 37th driest of 157 years on record.

Extremes

Biggest Rain Day of 1931

10.04in
Miami, FL · Sep 6

Snowiest Station of 1931

123.0in
St Paul Island, AK · calendar-year snowfall

Records Set in 1931

Daily Rainfall Records Set

699
calendar-day rainfall records set in 1931 that still stand today

National Precipitation

93%
of the 1996–2025 average across 286 cities

Where the Year Ran Wet & Dry

Each city's 1931 precipitation as a percent of its 1996–2025 normal — brown where the year ran dry, green-to-blue where it ran wet.
1931 U.S. precipitation percent-of-normal map

Month by Month

Precipitation by month as a percent of normal — blue above the line is a wet month, amber below is dry.
78%J
99%F
98%M
99%A
89%M
110%J
86%J
120%A
84%S
72%O
129%N
132%D

Driest Stations & States

Wettest Stations of 1931

1Kingman AZ249%
2Palm Springs CA214%
3Yuma AZ209%
4Riverside CA191%
5Needles CA183%
6San Diego CA167%
7Laredo TX165%
8Camarillo CA162%
9Phoenix AZ161%
10Tucson AZ160%

By State

Wettest states of 1931
Arizona173%Puerto Rico139%California128%New Mexico110%Oregon109%Washington103%
Driest states of 1931
Utah62%Montana70%New Jersey71%North Dakota72%Kentucky72%South Dakota74%
← 1930All Years1932 →
DriestSince · browse by state · precipitation & snowfall records · NOAA/RCC-ACIS ThreadEx gauge record · part of Weather Trader · supported by Substack Subscribers
© 2026 Weather Trader · All rights reserved