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Galveston, Galveston Channel water levels in 1991
Annual rank22 / 122
vs. average23.9 cm
Highest monthly peak0.65 mMay 1991
Monthly mean vs. previous year
| Month | 1991 (cm) | 1990 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -1.2 | -22.9 | 21.7 | 0.64 |
| Feb | -12.2 | -11.6 | -0.6 | 0.26 |
| Mar | -4.6 | 2.1 | -6.7 | 0.52 |
| Apr | 12.5 | 6.7 | 5.8 | 0.51 |
| May | 22.3 | 15.9 | 6.4 | 0.65 |
| Jun | 5.2 | -1.5 | 6.7 | 0.60 |
| Jul | -10.1 | -4.9 | -5.2 | 0.21 |
| Aug | -8.8 | -3.0 | -5.8 | 0.24 |
| Sep | 13.1 | 2.7 | 10.4 | 0.48 |
| Oct | 11.0 | 4.6 | 6.4 | 0.60 |
| Nov | 1.2 | 9.8 | -8.6 | 0.44 |
| Dec | 0.9 | -6.7 | 7.6 | 0.59 |
Nearby years (cm vs. average)
+16.2
+12.4
+11.0
+14.5
+20.7
+23.9
+20.4
+19.1
+20.4
+22.6
+15.7
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1991 annual mean water level ranked 22 of 122 years (23.9 cm vs. the period average).