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Portland water levels in 1993
Annual rank40 / 114
vs. average2.8 cm
Highest monthly peak2.14 mDecember 1993
Monthly mean vs. previous year
| Month | 1993 (cm) | 1992 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -6.5 | 2.3 | -8.8 | 1.90 |
| Feb | 1.4 | 1.7 | -0.3 | 2.00 |
| Mar | -7.4 | -0.1 | -7.3 | 2.14 |
| Apr | 6.6 | -0.4 | 7.0 | 2.08 |
| May | 3.0 | -2.0 | 5.0 | 2.05 |
| Jun | -0.4 | 6.3 | -6.7 | 1.97 |
| Jul | 4.5 | 3.5 | 1.0 | 1.96 |
| Aug | 2.4 | -0.4 | 2.8 | 1.96 |
| Sep | 1.7 | -5.6 | 7.3 | 2.07 |
| Oct | -1.6 | -1.0 | -0.6 | 2.08 |
| Nov | -5.9 | -3.8 | -2.1 | 2.08 |
| Dec | 1.4 | -2.3 | 3.7 | 2.14 |
Nearby years (cm vs. average)
+0.7
-1.5
-0.3
+4.0
+2.7
+2.8
-0.6
+3.9
+7.1
+5.8
+7.3
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1993 annual mean water level ranked 40 of 114 years (2.8 cm vs. the period average).