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Sand Point, Popof Island water levels in 2011
Annual rank38 / 50
vs. average-3.3 cm
Highest monthly peak1.89 mOctober 2011
Monthly mean vs. previous year
| Month | 2011 (cm) | 2010 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 13.0 | 35.7 | -22.7 | 1.82 |
| Feb | -18.7 | 26.2 | -44.9 | 1.22 |
| Mar | 2.7 | 11.3 | -8.6 | 1.49 |
| Apr | -5.6 | -0.4 | -5.2 | 1.37 |
| May | -4.2 | -9.2 | 5.0 | 1.60 |
| Jun | -9.5 | -7.8 | -1.7 | 1.35 |
| Jul | -11.2 | -13.9 | 2.7 | 1.21 |
| Aug | -5.6 | -14.5 | 8.9 | 1.36 |
| Sep | 13.7 | -4.3 | 18.0 | 1.62 |
| Oct | 12.2 | 17.3 | -5.1 | 1.89 |
| Nov | -3.3 | 7.0 | -10.3 | 1.66 |
| Dec | 0.9 | 7.3 | -6.4 | 1.52 |
Nearby years (cm vs. average)
-0.8
-3.3
-2.2
-3.0
+2.5
-3.3
-1.4
-5.7
+6.8
+7.5
+14.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2011 annual mean water level ranked 38 of 50 years (-3.3 cm vs. the period average).