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Port O'connor, Matagorda Bay water levels in 2021
Annual rank5 / 10
vs. average1.5 cm
Highest monthly peak1.01 mSeptember 2021
Monthly mean vs. previous year
| Month | 2021 (cm) | 2020 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -6.7 | 10.3 | -17.0 | 0.28 |
| Feb | 0.4 | 2.0 | -1.6 | 0.35 |
| Mar | 11.6 | 12.5 | -0.9 | 0.47 |
| Apr | 24.0 | 27.7 | -3.7 | 0.48 |
| May | 30.9 | 21.5 | 9.4 | 0.76 |
| Jun | 23.4 | 26.0 | -2.6 | 0.47 |
| Jul | 17.9 | 14.4 | 3.5 | 0.66 |
| Aug | 15.6 | 14.5 | 1.1 | 0.49 |
| Sep | 21.0 | 37.7 | -16.7 | 1.01 |
| Oct | 27.8 | 31.6 | -3.8 | 0.61 |
| Nov | 19.8 | 28.7 | -8.9 | 0.49 |
| Dec | 12.9 | -2.2 | 15.1 | 0.35 |
Nearby years (cm vs. average)
+1.8
-2.0
-5.3
+3.9
+3.6
+1.5
-2.3
-1.3
+3.9
-3.8
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2021 annual mean water level ranked 5 of 10 years (1.5 cm vs. the period average).