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Lewisetta, Va. water levels in 1991
Annual rank35 / 53
vs. average-6.2 cm
Highest monthly peak0.91 mNovember 1991
Monthly mean vs. previous year
| Month | 1991 (cm) | 1990 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | -5.1 | -18.8 | 13.7 | 0.42 |
| Feb | -12.4 | -17.6 | 5.2 | 0.47 |
| Mar | 1.6 | -14.9 | 16.5 | 0.43 |
| Apr | -1.8 | -11.8 | 10.0 | 0.53 |
| May | 0.1 | 0.1 | 0.0 | 0.49 |
| Jun | 4.0 | -3.0 | 7.0 | 0.46 |
| Jul | 5.5 | 1.0 | 4.5 | 0.43 |
| Aug | 2.2 | 8.0 | -5.8 | 0.46 |
| Sep | 3.7 | 6.2 | -2.5 | 0.47 |
| Oct | 2.2 | 1.0 | 1.2 | 0.88 |
| Nov | 0.1 | -7.0 | 7.1 | 0.91 |
| Dec | -15.5 | -11.8 | -3.7 | 0.36 |
Nearby years (cm vs. average)
-9.6
-6.7
-12.2
-10.2
-10.7
-6.2
-4.4
-1.9
-9.6
-7.0
-0.2
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1991 annual mean water level ranked 35 of 53 years (-6.2 cm vs. the period average).