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Ketchikan water levels in 2015
Annual rank87 / 105
vs. average-3.5 cm
Highest monthly peak3.58 mOctober 2015
Monthly mean vs. previous year
| Month | 2015 (cm) | 2014 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 1.5 | -2.2 | 3.7 | 3.46 |
| Feb | -5.0 | -3.3 | -1.7 | 3.03 |
| Mar | -8.2 | -4.5 | -3.7 | 3.24 |
| Apr | -5.8 | -7.2 | 1.4 | 3.11 |
| May | -19.7 | -13.1 | -6.6 | 2.87 |
| Jun | -16.0 | -18.5 | 2.5 | 2.73 |
| Jul | -11.9 | -12.3 | 0.4 | 2.87 |
| Aug | -9.8 | -17.6 | 7.8 | 3.25 |
| Sep | -0.2 | -10.9 | 10.7 | 3.33 |
| Oct | 7.8 | 14.2 | -6.4 | 3.58 |
| Nov | 2.2 | -0.4 | 2.6 | 3.04 |
| Dec | 19.2 | 13.6 | 5.6 | 3.09 |
Nearby years (cm vs. average)
+1.4
-2.0
+0.1
-9.9
-4.9
-3.5
-1.9
-4.1
-8.0
-5.7
-1.4
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2015 annual mean water level ranked 87 of 105 years (-3.5 cm vs. the period average).