Portland picked up 41.48 inches of rain in 2020. Measurable rain, 0.01 inch or more in a day, fell on 112 days at Portland Jetport; the wettest day brought 2.51 inches on Jun 29, 2020. The 1991-2020 normal for a full year is 48.12 inches. The total landed 6.64 inches below the normal, which works out to 14% less. 2020 ranks 52nd out of 85 complete years, wettest first, in a record that starts in 1940.
Monthly rain totals for 2020. Dark bars show measured amounts, light bars show the 1991-2020 normal for comparison.
Every day with measurable rain in 2020
Every day with measurable rain in 2020: Portland
Date
Rainfall
0.01″ inches
0.01″ inches
1.05″ inches
0.03″ inches
0.08″ inches
1.40″ inches
0.01″ inches
0.37″ inches
0.03″ inches
1.99″ inches
0.24″ inches
1.46″ inches
0.58″ inches
0.01″ inches
2.32″ inches
0.01″ inches
0.27″ inches
0.26″ inches
0.06″ inches
0.02″ inches
0.10″ inches
0.59″ inches
0.32″ inches
0.09″ inches
0.16″ inches
0.01″ inches
1.08″ inches
0.28″ inches
1.96″ inches
0.13″ inches
0.05″ inches
0.43″ inches
0.01″ inches
0.05″ inches
0.08″ inches
0.11″ inches
1.28″ inches
0.11″ inches
0.02″ inches
0.07″ inches
0.17″ inches
0.35″ inches
0.01″ inches
0.01″ inches
0.16″ inches
0.01″ inches
0.05″ inches
0.62″ inches
0.03″ inches
0.40″ inches
0.01″ inches
0.52″ inches
0.37″ inches
0.06″ inches
0.32″ inches
0.31″ inches
2.51″ inches
0.21″ inches
0.18″ inches
0.02″ inches
0.11″ inches
0.03″ inches
0.02″ inches
0.01″ inches
0.01″ inches
0.49″ inches
0.20″ inches
0.35″ inches
0.10″ inches
0.01″ inches
0.01″ inches
0.96″ inches
0.01″ inches
0.64″ inches
0.02″ inches
0.16″ inches
0.13″ inches
1.22″ inches
0.02″ inches
1.33″ inches
0.47″ inches
1.18″ inches
0.03″ inches
0.17″ inches
0.81″ inches
0.17″ inches
0.85″ inches
0.09″ inches
0.26″ inches
0.12″ inches
0.85″ inches
0.11″ inches
0.01″ inches
1.45″ inches
0.57″ inches
0.24″ inches
0.01″ inches
0.01″ inches
0.23″ inches
0.01″ inches
0.39″ inches
0.63″ inches
0.22″ inches
1.37″ inches
0.16″ inches
0.32″ inches
0.67″ inches
0.27″ inches
0.21″ inches
0.03″ inches
0.11″ inches
0.17″ inches
Daily totals come from Portland Jetport, which appears in GHCN-Daily with records going back to 1940. 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.