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Oceanographic Institution water levels in 1998
Annual rank18 / 88
vs. average8.9 cm
Highest monthly peak0.96 mFebruary 1998
Monthly mean vs. previous year
| Month | 1998 (cm) | 1997 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 6.3 | 1.2 | 5.1 | 0.92 |
| Feb | 13.0 | -2.2 | 15.2 | 0.96 |
| Mar | 1.5 | 0.6 | 0.9 | 0.73 |
| Apr | 7.9 | 9.8 | -1.9 | 0.84 |
| May | 10.8 | 1.7 | 9.1 | 0.74 |
| Jun | 10.4 | 7.8 | 2.6 | 0.65 |
| Jul | 9.6 | 4.3 | 5.3 | 0.63 |
| Aug | 5.8 | 6.8 | -1.0 | 0.55 |
| Sep | 10.6 | 7.1 | 3.5 | 0.74 |
| Oct | 4.6 | 8.5 | -3.9 | 0.66 |
| Nov | 2.4 | 8.8 | -6.4 | 0.74 |
| Dec | -1.2 | 3.1 | -4.3 | 0.83 |
Nearby years (cm vs. average)
+2.1
-2.8
-0.7
+6.6
+6.8
+8.9
+5.1
+3.4
+4.7
+3.4
+3.7
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1998 annual mean water level ranked 18 of 88 years (8.9 cm vs. the period average).