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Apra Harbor, Guam water levels in 2017
Annual rank8 / 73
vs. average11.6 cm
Highest monthly peak0.62 mJune 2017
Monthly mean vs. previous year
| Month | 2017 (cm) | 2016 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 5.0 | -15.9 | 20.9 | 0.45 |
| Feb | 6.3 | -7.1 | 13.4 | 0.47 |
| Mar | 9.6 | -6.3 | 15.9 | 0.48 |
| Apr | 13.2 | -5.0 | 18.2 | 0.55 |
| May | 18.1 | 3.5 | 14.6 | 0.62 |
| Jun | 18.8 | 9.4 | 9.4 | 0.62 |
| Jul | 20.5 | 9.1 | 11.4 | 0.60 |
| Aug | 27.3 | 12.6 | 14.7 | 0.62 |
| Sep | 20.5 | 9.2 | 11.3 | 0.55 |
| Oct | 15.9 | 11.0 | 4.9 | 0.52 |
| Nov | 11.1 | 6.6 | 4.5 | 0.51 |
| Dec | 12.4 | 3.4 | 9.0 | 0.50 |
Nearby years (cm vs. average)
+14.7
+14.8
+5.9
-5.2
-0.7
+11.6
+4.8
+3.3
+6.7
+17.2
+15.9
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2017 annual mean water level ranked 8 of 73 years (11.6 cm vs. the period average).