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Apra Harbor, Guam water levels in 2023
Annual rank15 / 73
vs. average7.3 cm
Highest monthly peak0.63 mMay 2023
Monthly mean vs. previous year
| Month | 2023 (cm) | 2022 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 9.6 | 9.1 | 0.5 | 0.47 |
| Feb | 14.3 | 17.0 | -2.7 | 0.56 |
| Mar | 14.5 | 20.3 | -5.8 | 0.53 |
| Apr | 14.5 | 21.9 | -7.4 | 0.49 |
| May | 10.5 | 22.6 | -12.1 | 0.63 |
| Jun | 10.5 | 24.4 | -13.9 | 0.46 |
| Jul | 15.3 | 22.2 | -6.9 | 0.54 |
| Aug | 14.3 | 22.8 | -8.5 | 0.58 |
| Sep | 10.2 | 24.3 | -14.1 | 0.51 |
| Oct | 3.0 | 20.6 | -17.6 | 0.49 |
| Nov | 3.5 | 13.2 | -9.7 | 0.44 |
| Dec | 6.7 | 11.6 | -4.9 | 0.49 |
Nearby years (cm vs. average)
+4.8
+3.3
+6.7
+17.2
+15.9
+7.3
+15.0
+20.8
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2023 annual mean water level ranked 15 of 73 years (7.3 cm vs. the period average).