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Honolulu water levels in 2020
Annual rank1 / 114
vs. average16.7 cm
Highest monthly peak0.77 mDecember 2020
Monthly mean vs. previous year
| Month | 2020 (cm) | 2019 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 7.8 | 3.6 | 4.2 | 0.66 |
| Feb | 2.8 | -1.3 | 4.1 | 0.59 |
| Mar | 7.6 | -2.2 | 9.8 | 0.48 |
| Apr | 8.6 | 1.9 | 6.7 | 0.55 |
| May | 10.7 | 4.5 | 6.2 | 0.58 |
| Jun | 16.5 | 0.8 | 15.7 | 0.67 |
| Jul | 22.1 | 10.4 | 11.7 | 0.74 |
| Aug | 19.9 | 15.8 | 4.1 | 0.68 |
| Sep | 21.2 | 12.0 | 9.2 | 0.67 |
| Oct | 22.5 | 14.3 | 8.2 | 0.72 |
| Nov | 18.1 | 16.0 | 2.1 | 0.72 |
| Dec | 15.0 | 17.9 | -2.9 | 0.77 |
Nearby years (cm vs. average)
+5.9
+11.3
+15.4
+9.0
+10.1
+16.7
+9.9
+6.7
+7.0
+12.7
+11.2
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2020 annual mean water level ranked 1 of 114 years (16.7 cm vs. the period average).