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Portland water levels in 2008
Annual rank33 / 114
vs. average3.9 cm
Highest monthly peak2.26 mDecember 2008
Monthly mean vs. previous year
| Month | 2008 (cm) | 2007 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -5.9 | -2.5 | -3.4 | 1.78 |
| Feb | -7.1 | -7.2 | 0.1 | 1.85 |
| Mar | -6.0 | -11.0 | 5.0 | 1.94 |
| Apr | -4.5 | 6.7 | -11.2 | 1.89 |
| May | 9.2 | 0.4 | 8.8 | 2.18 |
| Jun | 4.5 | 8.7 | -4.2 | 2.13 |
| Jul | 1.5 | 2.8 | -1.3 | 2.10 |
| Aug | 6.2 | 0.3 | 5.9 | 2.11 |
| Sep | 3.9 | -3.1 | 7.0 | 1.72 |
| Oct | 8.4 | 2.7 | 5.7 | 2.02 |
| Nov | 5.5 | -3.2 | 8.7 | 2.22 |
| Dec | -3.8 | -6.8 | 3.0 | 2.26 |
Nearby years (cm vs. average)
+2.9
+4.3
+9.9
+7.4
+1.9
+3.9
+9.3
+16.7
+12.0
+11.4
+9.6
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2008 annual mean water level ranked 33 of 114 years (3.9 cm vs. the period average).