Washington picked up 66.28 inches of rain in 2018. Measurable rain, 0.01 inch or more in a day, fell on 131 days at Washington Reagan National Airport; the wettest day brought 4.00 inches on Jul 21, 2018. The 1991-2020 normal for a full year is 41.82 inches. The total landed 24.46 inches above the normal, which works out to 58% more. 2018 is the wettest among 84 complete years, with the station record beginning in 1941.
Monthly rain totals for 2018. Dark bars show measured amounts, light bars show the 1991-2020 normal for comparison.
Every day with measurable rain in 2018
Every day with measurable rain in 2018: Washington
Date
Rainfall
0.48″ inches
1.02″ inches
0.01″ inches
0.02″ inches
0.17″ inches
0.36″ inches
0.60″ inches
2.55″ inches
0.29″ inches
0.11″ inches
0.21″ inches
0.01″ inches
0.45″ inches
1.42″ inches
0.05″ inches
1.15″ inches
0.34″ inches
0.60″ inches
0.54″ inches
0.79″ inches
1.44″ inches
0.03″ inches
0.75″ inches
0.02″ inches
0.49″ inches
0.74″ inches
0.07″ inches
0.02″ inches
0.18″ inches
0.01″ inches
0.02″ inches
1.51″ inches
0.31″ inches
0.59″ inches
0.19″ inches
0.10″ inches
0.29″ inches
0.71″ inches
0.01″ inches
0.28″ inches
0.22″ inches
1.26″ inches
0.01″ inches
0.02″ inches
1.59″ inches
0.45″ inches
2.89″ inches
0.81″ inches
0.30″ inches
0.04″ inches
0.02″ inches
2.46″ inches
0.36″ inches
0.01″ inches
0.12″ inches
0.18″ inches
0.11″ inches
0.31″ inches
1.03″ inches
0.25″ inches
0.03″ inches
0.51″ inches
0.67″ inches
0.32″ inches
0.06″ inches
1.35″ inches
4.00″ inches
2.79″ inches
0.04″ inches
0.11″ inches
0.06″ inches
0.57″ inches
0.13″ inches
1.12″ inches
0.42″ inches
0.10″ inches
0.96″ inches
1.65″ inches
0.05″ inches
1.32″ inches
0.01″ inches
0.03″ inches
1.23″ inches
0.77″ inches
1.01″ inches
0.97″ inches
0.82″ inches
0.41″ inches
1.49″ inches
0.52″ inches
0.15″ inches
0.72″ inches
0.32″ inches
0.46″ inches
0.03″ inches
1.88″ inches
0.13″ inches
0.02″ inches
0.01″ inches
0.02″ inches
0.10″ inches
0.02″ inches
0.49″ inches
0.87″ inches
0.01″ inches
0.03″ inches
0.30″ inches
0.01″ inches
0.09″ inches
0.17″ inches
0.16″ inches
0.06″ inches
0.02″ inches
0.42″ inches
0.05″ inches
0.01″ inches
0.03″ inches
0.09″ inches
1.05″ inches
1.06″ inches
0.49″ inches
1.12″ inches
0.04″ inches
0.02″ inches
0.16″ inches
0.11″ inches
0.03″ inches
0.11″ inches
0.37″ inches
0.06″ inches
0.10″ inches
Daily totals come from Washington Reagan National Airport, which appears in GHCN-Daily with records going back to 1941. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.
Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.