Tide TablesHome › Tide tables & water levels › San Juan
San Juan water levels in 2009
Annual rank35 / 57
vs. average-1.8 cm
Highest monthly peak0.44 mNovember 2009
Monthly mean vs. previous year
| Month | 2009 (cm) | 2008 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -3.3 | 2.4 | -5.7 | 0.29 |
| Feb | -3.4 | -1.5 | -1.9 | 0.27 |
| Mar | -4.9 | -0.3 | -4.6 | 0.29 |
| Apr | -7.1 | 1.6 | -8.7 | 0.27 |
| May | -5.7 | 1.6 | -7.3 | 0.29 |
| Aug | -0.7 | 4.8 | -5.5 | 0.36 |
| Sep | -0.9 | 9.9 | -10.8 | 0.31 |
| Oct | 9.6 | 9.5 | 0.1 | 0.43 |
| Nov | 7.4 | 9.3 | -1.9 | 0.44 |
| Dec | 4.5 | 0.9 | 3.6 | 0.43 |
Nearby years (cm vs. average)
-0.8
+0.4
+1.7
+2.9
+2.8
-1.8
+3.6
+1.1
+7.2
+2.8
+6.8
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2009 annual mean water level ranked 35 of 57 years (-1.8 cm vs. the period average).