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Juneau water levels in 1990
Annual rank48 / 82
vs. average-7.4 cm
Highest monthly peak3.97 mDecember 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 41.1 | 40.8 | 0.3 | 3.53 |
| Feb | 31.9 | 6.3 | 25.6 | 3.48 |
| Mar | 30.1 | 30.1 | 0.0 | 3.69 |
| Apr | 21.3 | 22.2 | -0.9 | 3.82 |
| May | 22.8 | 28.3 | -5.5 | 3.70 |
| Jun | 35.3 | 28.9 | 6.4 | 3.74 |
| Jul | 28.9 | 35.3 | -6.4 | 3.48 |
| Aug | 35.3 | 29.8 | 5.5 | 3.41 |
| Sep | 37.4 | 29.8 | 7.6 | 3.41 |
| Oct | 46.6 | 41.4 | 5.2 | 3.73 |
| Nov | 38.0 | 42.6 | -4.6 | 3.87 |
| Dec | 24.0 | 40.5 | -16.5 | 3.97 |
Nearby years (cm vs. average)
-6.5
+0.3
+5.4
+1.2
-8.8
-7.4
-7.2
-1.7
-9.0
-11.2
-15.5
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 48 of 82 years (-7.4 cm vs. the period average).