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Apra Harbor, Guam water levels in 2019
Annual rank26 / 73
vs. average3.3 cm
Highest monthly peak0.55 mAugust 2019
Monthly mean vs. previous year
| Month | 2019 (cm) | 2018 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -14.7 | 13.2 | -27.9 | 0.24 |
| Feb | -6.2 | 15.7 | -21.9 | 0.43 |
| Mar | 2.2 | 19.2 | -17.0 | 0.41 |
| Apr | 6.4 | 16.6 | -10.2 | 0.38 |
| May | 14.8 | 11.9 | 2.9 | 0.48 |
| Jun | 16.9 | 12.3 | 4.6 | 0.50 |
| Jul | 18.7 | 12.2 | 6.5 | 0.54 |
| Aug | 17.2 | 10.8 | 6.4 | 0.55 |
| Sep | 14.5 | 7.7 | 6.8 | 0.51 |
| Oct | 9.3 | -4.6 | 13.9 | 0.48 |
| Nov | 3.7 | -10.8 | 14.5 | 0.40 |
| Dec | -3.3 | -7.5 | 4.2 | 0.40 |
Nearby years (cm vs. average)
+5.9
-5.2
-0.7
+11.6
+4.8
+3.3
+6.7
+17.2
+15.9
+7.3
+15.0
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2019 annual mean water level ranked 26 of 73 years (3.3 cm vs. the period average).