The Year in Rain & Snow
2018
112%
ran at 112% of normal — wetter than usual — across 385 cities, the 153rd driest of 157 years on record.
Extremes
Biggest Rain Day of 2018
15.0in
Hilo, HI · Aug 24
Snowiest Station of 2018
193.2in
Marquette County, MI · calendar-year snowfall
Records Set in 2018
Daily Rainfall Records Set
1,449
calendar-day rainfall records set in 2018 that still stand today
National Precipitation
112%
of the 1996–2025 average across 385 cities
Where the Year Ran Wet & Dry
Each city's 2018 precipitation as a percent of its 1996–2025 normal — brown where the year ran dry, green-to-blue where it ran wet.
Month by Month
Precipitation by month as a percent of normal — blue above the line is a wet month, amber below is dry.
86%J
128%F
99%M
96%A
109%M
90%J
93%J
101%A
126%S
133%O
131%N
141%D
Driest Stations & States
Driest Stations of 2018
| 1 | Lake Havasu City AZ | 53% |
| 2 | Long Beach CA | 60% |
| 3 | Denver CO | 61% |
| 4 | Los Angeles Downtown CA | 63% |
| 5 | Los Angeles Airport CA | 65% |
| 6 | Medford OR | 65% |
| 7 | Yakima WA | 65% |
| 8 | Mount Shasta CA | 66% |
| 9 | Pueblo CO | 66% |
| 10 | Santa Maria CA | 67% |
Wettest Stations of 2018
| 1 | Wilmington NC | 176% |
| 2 | San Angelo TX | 162% |
| 3 | Asheville NC | 160% |
| 4 | Williamsport PA | 159% |
| 5 | Sterling-Dulles Airport VA | 159% |
| 6 | Baltimore Downtown MD | 158% |
| 7 | Baltimore MD | 158% |
| 8 | Martinsburg WV | 157% |
| 9 | Washington DC | 157% |
| 10 | Pine Bluff AR | 155% |
By State
Wettest states of 2018
District of Columbia157%North Carolina145%Maryland144%Pennsylvania143%Virginia139%Hawaii138%
Driest states of 2018
Oregon76%Colorado79%California82%Puerto Rico82%Utah86%Washington92%
DriestSince · browse by state · precipitation & snowfall records · NOAA/RCC-ACIS ThreadEx gauge record · part of Weather Trader · supported by Substack Subscribers
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© 2026 Weather Trader · All rights reserved