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Sand Island, Midway Islands water levels in 2009
Annual rank9 / 73
vs. average7.3 cm
Highest monthly peak0.59 mDecember 2009
Monthly mean vs. previous year
| Month | 2009 (cm) | 2008 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 7.8 | 6.1 | 1.7 | 0.58 |
| Feb | 1.4 | 9.9 | -8.5 | 0.35 |
| Mar | 4.9 | 9.8 | -4.9 | 0.31 |
| Apr | -1.6 | -1.5 | -0.1 | 0.27 |
| May | 6.0 | 2.0 | 4.0 | 0.36 |
| Jun | 10.8 | 3.4 | 7.4 | 0.38 |
| Jul | 10.4 | 7.8 | 2.6 | 0.33 |
| Aug | 9.3 | 14.9 | -5.6 | 0.30 |
| Sep | 15.4 | 9.1 | 6.3 | 0.41 |
| Oct | 16.7 | – | – | 0.44 |
| Nov | 10.2 | 9.1 | 1.1 | 0.41 |
| Dec | 14.5 | 14.3 | 0.2 | 0.59 |
Nearby years (cm vs. average)
+4.4
-2.7
+1.9
+1.2
+6.2
+7.3
+6.5
-1.0
+11.2
+7.2
+8.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2009 annual mean water level ranked 9 of 73 years (7.3 cm vs. the period average).