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Honolulu water levels in 1990
Annual rank80 / 114
vs. average-3.7 cm
Highest monthly peak0.56 mNovember 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -4.6 | -1.0 | -3.6 | 0.47 |
| Feb | -16.5 | -0.1 | -16.4 | 0.28 |
| Mar | -13.2 | 0.5 | -13.7 | 0.25 |
| Apr | -10.4 | -2.8 | -7.6 | 0.44 |
| May | -10.7 | -5.9 | -4.8 | 0.44 |
| Jun | -7.4 | -1.0 | -6.4 | 0.45 |
| Jul | -7.1 | -1.0 | -6.1 | 0.51 |
| Aug | -2.8 | -2.5 | -0.3 | 0.47 |
| Sep | 2.1 | 3.9 | -1.8 | 0.41 |
| Oct | 3.0 | 0.5 | 2.5 | 0.52 |
| Nov | 1.4 | -0.1 | 1.5 | 0.56 |
| Dec | -6.2 | -3.7 | -2.5 | 0.47 |
Nearby years (cm vs. average)
+2.5
-3.7
-1.0
+7.5
+1.2
-3.7
+0.7
+4.9
+3.1
+2.4
+8.7
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 80 of 114 years (-3.7 cm vs. the period average).