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Portland water levels in 2017
Annual rank11 / 114
vs. average10.3 cm
Highest monthly peak2.44 mMay 2017
Monthly mean vs. previous year
| Month | 2017 (cm) | 2016 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 3.8 | 3.9 | -0.1 | 2.02 |
| Feb | 6.8 | -0.2 | 7.0 | 2.04 |
| Mar | -3.3 | 0.4 | -3.7 | 1.98 |
| Apr | 10.1 | 2.5 | 7.6 | 2.13 |
| May | 16.2 | 1.7 | 14.5 | 2.44 |
| Jun | 12.4 | 5.1 | 7.3 | 2.34 |
| Jul | 10.3 | 3.9 | 6.4 | 2.18 |
| Aug | 8.3 | 2.8 | 5.5 | 2.04 |
| Sep | 10.6 | 7.2 | 3.4 | 1.86 |
| Oct | 8.1 | 9.5 | -1.4 | 1.94 |
| Nov | 7.0 | 8.4 | -1.4 | 2.08 |
| Dec | -1.4 | 5.7 | -7.1 | 2.16 |
Nearby years (cm vs. average)
+11.4
+9.6
+8.8
+3.1
+7.1
+10.3
+10.2
+11.5
+11.0
+11.3
+10.3
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2017 annual mean water level ranked 11 of 114 years (10.3 cm vs. the period average).