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Ketchikan water levels in 1997
Annual rank13 / 105
vs. average4.7 cm
Highest monthly peak3.68 mDecember 1997
Monthly mean vs. previous year
| Month | 1997 (cm) | 1996 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 3.8 | 1.9 | 1.9 | 3.22 |
| Feb | -3.6 | 5.0 | -8.6 | 3.15 |
| Mar | 1.8 | -9.0 | 10.8 | 3.23 |
| Apr | -8.2 | 2.6 | -10.8 | 3.05 |
| May | -10.1 | -11.5 | 1.4 | 3.07 |
| Jun | 4.5 | -8.8 | 13.3 | 3.06 |
| Jul | -2.4 | -15.6 | 13.2 | 3.15 |
| Aug | -4.7 | -8.9 | 4.2 | 3.11 |
| Sep | 4.8 | -4.3 | 9.1 | 3.24 |
| Oct | 14.6 | 5.9 | 8.7 | 3.40 |
| Nov | 23.0 | -2.2 | 25.2 | 3.33 |
| Dec | 29.5 | 7.4 | 22.1 | 3.68 |
Nearby years (cm vs. average)
+6.1
-0.7
+0.7
-2.1
-2.8
+4.7
+0.7
-0.8
-3.8
-1.9
-5.3
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1997 annual mean water level ranked 13 of 105 years (4.7 cm vs. the period average).