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South Pass water levels in 1990
Annual rank7 / 14
vs. average2.2 cm
Highest monthly peak0.18 mNovember 1990
Monthly mean vs. previous year
| Month | 1990 (cm) | 1989 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -56.9 | -49.5 | -7.4 | – |
| Feb | -46.2 | -52.3 | 6.1 | – |
| Mar | -41.6 | -49.2 | 7.6 | – |
| Apr | -39.8 | -50.5 | 10.7 | 0.07 |
| May | -33.7 | -51.4 | 17.7 | 0.10 |
| Jun | -40.1 | -42.8 | 2.7 | -0.05 |
| Jul | -38.9 | -42.2 | 3.3 | 0.01 |
| Aug | -32.5 | -36.7 | 4.2 | 0.11 |
| Sep | -29.1 | -26.4 | -2.7 | 0.02 |
| Oct | -26.4 | -35.8 | 9.4 | 0.12 |
| Nov | -26.4 | -44.4 | 18.0 | 0.18 |
| Dec | -40.4 | -58.7 | 18.3 | 0.16 |
Nearby years (cm vs. average)
-17.0
-13.8
-12.9
-11.0
-5.1
+2.2
+7.3
+16.9
+21.0
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1990 annual mean water level ranked 7 of 14 years (2.2 cm vs. the period average).