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Portland water levels in 1997
Annual rank26 / 114
vs. average5.8 cm
Highest monthly peak2.33 mJanuary 1997
Monthly mean vs. previous year
| Month | 1997 (cm) | 1996 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 3.2 | 4.5 | -1.3 | 2.33 |
| Feb | -2.1 | 1.0 | -3.1 | 2.13 |
| Mar | -0.4 | -3.7 | 3.3 | 2.13 |
| Apr | 8.9 | 5.4 | 3.5 | 2.02 |
| May | 2.2 | 1.7 | 0.5 | 2.07 |
| Jun | 4.3 | 0.7 | 3.6 | 1.91 |
| Jul | -0.5 | 4.4 | -4.9 | 1.89 |
| Aug | 1.5 | 0.3 | 1.2 | 2.04 |
| Sep | 2.7 | 12.4 | -9.7 | 2.03 |
| Oct | 3.7 | 9.4 | -5.7 | 2.01 |
| Nov | 6.7 | 7.0 | -0.3 | 2.18 |
| Dec | 4.2 | 7.2 | -3.0 | 2.10 |
Nearby years (cm vs. average)
+2.7
+2.8
-0.6
+3.9
+7.1
+5.8
+7.3
+2.0
+2.3
+2.0
+0.8
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1997 annual mean water level ranked 26 of 114 years (5.8 cm vs. the period average).