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Sand Point, Popof Island water levels in 1998
Annual rank19 / 50
vs. average1.4 cm
Highest monthly peak1.78 mJanuary 1998
Monthly mean vs. previous year
| Month | 1998 (cm) | 1997 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 23.1 | 15.4 | 7.7 | 1.78 |
| Feb | 35.7 | 15.1 | 20.6 | 1.64 |
| Mar | 4.8 | -10.0 | 14.8 | 1.36 |
| Apr | -4.1 | -4.3 | 0.2 | 1.44 |
| May | -11.1 | -18.3 | 7.2 | 1.47 |
| Jun | -15.9 | -8.8 | -7.1 | 1.24 |
| Jul | -8.2 | -5.4 | -2.8 | 1.43 |
| Aug | -9.9 | -8.0 | -1.9 | 1.24 |
| Sep | -0.7 | 8.4 | -9.1 | 1.61 |
| Oct | 3.8 | 8.7 | -4.9 | 1.32 |
| Nov | 15.9 | 24.1 | -8.2 | 1.66 |
| Dec | 7.2 | 25.1 | -17.9 | 1.71 |
Nearby years (cm vs. average)
-2.6
-3.9
+0.9
-8.9
+1.5
+1.4
-6.4
-3.0
-0.3
-1.3
+4.1
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1998 annual mean water level ranked 19 of 50 years (1.4 cm vs. the period average).