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Chesapeake Bay Bridge Tunnel water levels in 1991
Annual rank27 / 41
vs. average-2.7 cm
Highest monthly peak1.22 mOctober 1991
Monthly mean vs. previous year
| Month | 1991 (cm) | 1990 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -2.4 | -20.4 | 18.0 | 0.77 |
| Feb | -12.5 | -16.1 | 3.6 | 0.65 |
| Mar | 2.4 | -14.3 | 16.7 | 0.78 |
| Apr | -3.3 | -13.4 | 10.1 | 0.93 |
| May | -4.0 | -3.0 | -1.0 | 0.81 |
| Jun | 3.4 | -5.5 | 8.9 | 0.92 |
| Jul | 2.8 | -3.0 | 5.8 | 0.67 |
| Aug | -1.5 | 6.1 | -7.6 | 0.67 |
| Sep | 2.1 | 5.2 | -3.1 | 0.82 |
| Oct | 6.7 | 0.6 | 6.1 | 1.22 |
| Nov | 4.0 | -6.4 | 10.4 | 1.17 |
| Dec | -12.5 | -11.9 | -0.6 | 0.78 |
Nearby years (cm vs. average)
-5.8
-2.2
-9.5
-6.0
-8.3
-2.7
-1.0
+1.2
-3.9
-2.0
+3.5
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1991 annual mean water level ranked 27 of 41 years (-2.7 cm vs. the period average).