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Mayport (bar Pilot Dock) water levels in 2021
Annual rank7 / 25
vs. average4.3 cm
Highest monthly peak1.52 mNovember 2021
Monthly mean vs. previous year
| Month | 2021 (cm) | 2020 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -0.5 | 3.2 | -3.7 | 1.04 |
| Feb | 6.6 | 1.7 | 4.9 | 1.03 |
| Mar | 9.2 | 1.7 | 7.5 | 1.12 |
| Apr | 4.6 | 6.2 | -1.6 | 1.10 |
| May | 4.3 | 4.7 | -0.4 | 0.99 |
| Jun | 1.8 | 9.9 | -8.1 | 1.13 |
| Jul | 6.1 | 8.3 | -2.2 | 1.13 |
| Aug | 8.6 | 12.5 | -3.9 | 1.04 |
| Sep | 18.7 | 31.6 | -12.9 | 1.11 |
| Oct | 24.5 | 34.4 | -9.9 | 1.18 |
| Nov | 28.6 | 28.9 | -0.3 | 1.52 |
| Dec | 8.9 | 3.7 | 5.2 | 1.12 |
Nearby years (cm vs. average)
+3.8
+1.8
-0.9
+9.5
+6.4
+4.3
+7.3
+11.5
+7.9
+1.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2021 annual mean water level ranked 7 of 25 years (4.3 cm vs. the period average).