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Naples (outer coast) water levels in 1991
Annual rank30 / 56
vs. average-1.5 cm
Highest monthly peak0.77 mMarch 1991
Monthly mean vs. previous year
| Month | 1991 (cm) | 1990 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -3.0 | -18.3 | 15.3 | 0.68 |
| Feb | -11.9 | -14.0 | 2.1 | 0.63 |
| Mar | -7.9 | -2.1 | -5.8 | 0.77 |
| Apr | -1.8 | -4.9 | 3.1 | 0.60 |
| May | 3.7 | 0.0 | 3.7 | 0.63 |
| Jun | 2.5 | -0.6 | 3.1 | 0.60 |
| Jul | 4.6 | -3.6 | 8.2 | 0.65 |
| Aug | 5.5 | 7.9 | -2.4 | 0.66 |
| Sep | 8.6 | 6.1 | 2.5 | 0.62 |
| Oct | 11.0 | 4.9 | 6.1 | 0.60 |
| Nov | 4.6 | 3.7 | 0.9 | 0.60 |
| Dec | -10.3 | -6.4 | -3.9 | 0.52 |
Nearby years (cm vs. average)
-2.9
-6.0
-4.3
-1.5
-2.4
-1.7
-3.0
+3.7
-2.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1991 annual mean water level ranked 30 of 56 years (-1.5 cm vs. the period average).