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Key West water levels in 2009
Annual rank18 / 112
vs. average9.0 cm
Highest monthly peak0.70 mSeptember 2009
Monthly mean vs. previous year
| Month | 2009 (cm) | 2008 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -15.2 | -1.0 | -14.2 | 0.35 |
| Feb | -14.6 | -9.9 | -4.7 | 0.31 |
| Mar | -2.1 | -11.6 | 9.5 | 0.44 |
| Apr | -3.8 | 3.2 | -7.0 | 0.36 |
| May | 1.6 | 2.0 | -0.4 | 0.52 |
| Jun | 4.0 | -0.5 | 4.5 | 0.55 |
| Jul | -1.0 | 10.5 | -11.5 | 0.48 |
| Aug | 11.4 | 13.5 | -2.1 | 0.58 |
| Sep | 25.1 | 29.0 | -3.9 | 0.70 |
| Oct | 19.8 | 21.2 | -1.4 | 0.59 |
| Nov | 18.7 | 11.0 | 7.7 | 0.59 |
| Dec | 9.5 | -4.4 | 13.9 | 0.59 |
Nearby years (cm vs. average)
+5.3
+8.0
+6.2
+9.5
+9.8
+9.0
+8.5
+7.9
+12.4
+13.4
+14.3
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2009 annual mean water level ranked 18 of 112 years (9.0 cm vs. the period average).