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Ketchikan water levels in 1998
Annual rank44 / 105
vs. average0.7 cm
Highest monthly peak3.70 mJanuary 1998
Monthly mean vs. previous year
| Month | 1998 (cm) | 1997 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 29.8 | 3.8 | 26.0 | 3.70 |
| Feb | 34.4 | -3.6 | 38.0 | 3.17 |
| Mar | -2.4 | 1.8 | -4.2 | 3.35 |
| Apr | -10.4 | -8.2 | -2.2 | 3.21 |
| May | -13.4 | -10.1 | -3.3 | 3.16 |
| Jun | -15.9 | 4.5 | -20.4 | 3.06 |
| Jul | -14.2 | -2.4 | -11.8 | 2.77 |
| Aug | -12.6 | -4.7 | -7.9 | 2.90 |
| Sep | -9.9 | 4.8 | -14.7 | 3.08 |
| Oct | 0.8 | 14.6 | -13.8 | 3.36 |
| Nov | 13.7 | 23.0 | -9.3 | 3.50 |
| Dec | 4.8 | 29.5 | -24.7 | 3.52 |
Nearby years (cm vs. average)
-0.7
+0.7
-2.1
-2.8
+4.7
+0.7
-0.8
-3.8
-1.9
-5.3
+0.9
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1998 annual mean water level ranked 44 of 105 years (0.7 cm vs. the period average).