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Naples (outer coast) water levels in 2021
Annual rank4 / 56
vs. average12.7 cm
Highest monthly peak0.90 mNovember 2021
Monthly mean vs. previous year
| Month | 2021 (cm) | 2020 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 3.0 | 6.9 | -3.9 | 0.65 |
| Feb | 7.5 | 2.1 | 5.4 | 0.60 |
| Mar | 8.6 | 3.7 | 4.9 | 0.60 |
| Apr | 12.3 | 17.1 | -4.8 | 0.69 |
| May | 8.2 | 10.7 | -2.5 | 0.67 |
| Jun | 13.8 | 18.2 | -4.4 | 0.67 |
| Jul | 13.7 | 16.4 | -2.7 | 0.74 |
| Aug | 20.9 | 21.1 | -0.2 | 0.73 |
| Sep | 22.6 | 29.4 | -6.8 | 0.71 |
| Oct | 28.9 | 31.7 | -2.8 | 0.72 |
| Nov | 23.2 | 20.5 | 2.7 | 0.90 |
| Dec | 14.3 | 5.5 | 8.8 | 0.72 |
Nearby years (cm vs. average)
+9.3
+9.6
+8.8
+15.1
+13.3
+12.7
+14.9
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2021 annual mean water level ranked 4 of 56 years (12.7 cm vs. the period average).