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Chesapeake Bay Bridge Tunnel water levels in 1999
Annual rank17 / 41
vs. average3.1 cm
Highest monthly peak1.30 mAugust 1999
Monthly mean vs. previous year
| Month | 1999 (cm) | 1998 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -9.2 | 9.3 | -18.5 | 0.85 |
| Feb | 9.2 | 30.1 | -20.9 | 0.80 |
| Mar | -1.5 | 2.7 | -4.2 | 1.01 |
| Apr | 5.4 | 10.0 | -4.6 | 0.77 |
| May | 12.2 | 17.9 | -5.7 | 1.13 |
| Jun | 5.1 | 8.2 | -3.1 | 0.86 |
| Jul | 3.1 | 6.8 | -3.7 | 0.90 |
| Aug | 12.3 | 14.1 | -1.8 | 1.30 |
| Sep | 19.3 | 12.0 | 7.3 | 1.28 |
| Oct | 6.3 | 6.8 | -0.5 | 0.78 |
| Nov | -1.9 | -0.2 | -1.7 | 0.68 |
| Dec | -5.3 | -0.2 | -5.1 | 0.75 |
Nearby years (cm vs. average)
-3.9
-2.0
+3.5
+3.8
+8.3
+3.1
+0.2
+0.7
-1.5
+3.8
+3.8
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1999 annual mean water level ranked 17 of 41 years (3.1 cm vs. the period average).