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Portland water levels in 2007
Annual rank47 / 114
vs. average1.9 cm
Highest monthly peak2.51 mApril 2007
Monthly mean vs. previous year
| Month | 2007 (cm) | 2006 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -2.5 | 3.0 | -5.5 | 1.86 |
| Feb | -7.2 | 0.6 | -7.8 | 2.04 |
| Mar | -11.0 | 1.1 | -12.1 | 1.90 |
| Apr | 6.7 | 0.3 | 6.4 | 2.51 |
| May | 0.4 | 10.2 | -9.8 | 2.25 |
| Jun | 8.7 | 9.1 | -0.4 | 2.07 |
| Jul | 2.8 | 4.7 | -1.9 | – |
| Aug | 0.3 | 5.4 | -5.1 | 1.82 |
| Sep | -3.1 | 6.6 | -9.7 | 2.02 |
| Oct | 2.7 | 8.7 | -6.0 | 2.08 |
| Nov | -3.2 | 5.1 | -8.3 | 2.02 |
| Dec | -6.8 | -1.2 | -5.6 | 1.98 |
Nearby years (cm vs. average)
+0.8
+2.9
+4.3
+9.9
+7.4
+1.9
+3.9
+9.3
+16.7
+12.0
+11.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2007 annual mean water level ranked 47 of 114 years (1.9 cm vs. the period average).