Tide TablesHome › Tide tables & water levels › South Pass
South Pass water levels in 1991
Annual rank6 / 14
vs. average7.3 cm
Highest monthly peak0.22 mMay 1991
Monthly mean vs. previous year
| Month | 1991 (cm) | 1990 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -37.0 | -56.9 | 19.9 | 0.15 |
| Feb | -48.3 | -46.2 | -2.1 | -0.18 |
| Mar | -39.8 | -41.6 | 1.8 | -0.05 |
| Apr | -29.4 | -39.8 | 10.4 | 0.15 |
| May | -20.0 | -33.7 | 13.7 | 0.22 |
| Jun | -30.6 | -40.1 | 9.5 | 0.18 |
| Jul | -37.7 | -38.9 | 1.2 | -0.00 |
| Aug | -37.4 | -32.5 | -4.9 | -0.03 |
| Sep | -19.4 | -29.1 | 9.7 | 0.13 |
| Oct | -22.4 | -26.4 | 4.0 | 0.19 |
| Nov | -31.3 | -26.4 | -4.9 | 0.04 |
| Dec | -38.6 | -40.4 | 1.8 | 0.12 |
Nearby years (cm vs. average)
-13.8
-12.9
-11.0
-5.1
+2.2
+7.3
+16.9
+21.0
+20.6
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1991 annual mean water level ranked 6 of 14 years (7.3 cm vs. the period average).