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CBBT, Chesapeake Channel water levels in 2021
Annual rank6 / 8
vs. average-2.0 cm
Highest monthly peak1.29 mMay 2021
Monthly mean vs. previous year
| Month | 2021 (cm) | 2020 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 15.0 | 6.7 | 8.3 | 1.01 |
| Feb | 16.4 | 2.1 | 14.3 | 0.99 |
| Mar | 3.5 | 11.7 | -8.2 | 0.97 |
| Apr | 11.0 | 17.9 | -6.9 | 0.92 |
| May | 4.8 | 11.6 | -6.8 | 1.29 |
| Jun | 7.9 | 16.0 | -8.1 | 0.80 |
| Jul | 8.2 | 15.8 | -7.6 | 0.75 |
| Aug | 15.7 | 15.4 | 0.3 | 0.79 |
| Sep | 17.9 | 28.4 | -10.5 | 0.88 |
| Oct | 29.7 | 21.3 | 8.4 | 1.17 |
| Nov | 17.1 | 7.8 | 9.3 | 1.24 |
| Dec | 3.7 | 6.1 | -2.4 | 0.86 |
Nearby years (cm vs. average)
-2.3
+1.4
-1.2
-2.0
-3.0
+3.7
+4.8
-1.5
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2021 annual mean water level ranked 6 of 8 years (-2.0 cm vs. the period average).