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Naples (outer coast) water levels in 1999
Annual rank14 / 56
vs. average3.2 cm
Highest monthly peak1.28 mJanuary 1999
Monthly mean vs. previous year
| Month | 1999 (cm) | 1998 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -3.9 | -8.1 | 4.2 | 1.28 |
| Feb | 1.8 | 1.1 | 0.7 | 0.59 |
| Mar | -0.7 | -4.1 | 3.4 | 0.53 |
| Apr | 3.5 | -2.8 | 6.3 | 0.73 |
| May | 5.7 | 2.7 | 3.0 | 0.66 |
| Jun | 0.9 | 1.3 | -0.4 | 0.54 |
| Jul | 5.0 | 1.9 | 3.1 | 0.58 |
| Aug | 11.5 | 4.0 | 7.5 | 0.64 |
| Sep | 23.1 | 14.4 | 8.7 | 0.86 |
| Oct | 12.4 | 6.7 | 5.7 | 0.58 |
| Nov | 6.4 | 0.3 | 6.1 | 0.65 |
| Dec | -2.9 | -3.9 | 1.0 | 0.50 |
Nearby years (cm vs. average)
-3.0
+3.7
-2.4
-0.0
-0.9
+3.2
+1.0
-3.1
-0.1
+1.5
+0.2
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1999 annual mean water level ranked 14 of 56 years (3.2 cm vs. the period average).