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Baltimore, Fort McHenry water levels in 2020
Annual rank4 / 123
vs. average22.8 cm
Highest monthly peak1.05 mApril 2020
Monthly mean vs. previous year
| Month | 2020 (cm) | 2019 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 2.5 | 3.9 | -1.4 | 0.74 |
| Feb | 4.0 | 0.3 | 3.7 | 0.68 |
| Mar | 12.1 | 6.6 | 5.5 | 0.66 |
| Apr | 17.3 | 13.6 | 3.7 | 1.05 |
| May | 13.9 | 24.9 | -11.0 | 0.67 |
| Jun | 21.7 | 20.8 | 0.9 | 0.61 |
| Jul | 23.4 | 22.7 | 0.7 | 0.76 |
| Aug | 22.9 | 24.6 | -1.7 | 0.79 |
| Sep | 25.4 | 29.9 | -4.5 | 0.68 |
| Oct | 18.9 | 31.1 | -12.2 | 0.69 |
| Nov | 8.8 | 11.4 | -2.6 | 0.94 |
| Dec | 5.7 | 3.2 | 2.5 | 0.91 |
Nearby years (cm vs. average)
+14.2
+16.9
+19.0
+20.7
+24.2
+22.8
+21.2
+19.5
+27.0
+30.0
+20.6
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2020 annual mean water level ranked 4 of 123 years (22.8 cm vs. the period average).