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Portland water levels in 2010
Annual rank3 / 114
vs. average16.7 cm
Highest monthly peak2.43 mJanuary 2010
Monthly mean vs. previous year
| Month | 2010 (cm) | 2009 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 14.1 | -1.8 | 15.9 | 2.43 |
| Feb | 20.0 | 2.5 | 17.5 | 2.19 |
| Mar | 20.2 | -2.1 | 22.3 | 2.33 |
| Apr | 15.0 | 3.6 | 11.4 | 2.25 |
| May | 9.8 | 2.6 | 7.2 | 2.04 |
| Jun | 13.4 | 14.2 | -0.8 | 2.00 |
| Jul | 9.8 | 13.9 | -4.1 | 2.07 |
| Aug | 10.0 | 6.6 | 3.4 | 2.13 |
| Sep | 12.1 | 6.8 | 5.3 | 2.18 |
| Oct | 13.0 | 12.8 | 0.2 | 2.17 |
| Nov | 11.0 | 8.9 | 2.1 | 2.28 |
| Dec | 17.2 | 8.9 | 8.3 | 2.22 |
Nearby years (cm vs. average)
+9.9
+7.4
+1.9
+3.9
+9.3
+16.7
+12.0
+11.4
+9.6
+8.8
+3.1
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2010 annual mean water level ranked 3 of 114 years (16.7 cm vs. the period average).