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Baltimore, Fort McHenry water levels in 1998
Annual rank15 / 123
vs. average16.4 cm
Highest monthly peak0.98 mMarch 1998
Monthly mean vs. previous year
| Month | 1998 (cm) | 1997 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 4.9 | -7.4 | 12.3 | 0.86 |
| Feb | 15.4 | -3.2 | 18.6 | 0.88 |
| Mar | 3.7 | 0.9 | 2.8 | 0.98 |
| Apr | 11.9 | 2.0 | 9.9 | 0.68 |
| May | 17.9 | 0.4 | 17.5 | 0.76 |
| Jun | 10.3 | 17.0 | -6.7 | 0.61 |
| Jul | 10.9 | 8.4 | 2.5 | 0.53 |
| Aug | 14.9 | 11.3 | 3.6 | 0.62 |
| Sep | 13.8 | 10.7 | 3.1 | 0.60 |
| Oct | 3.7 | 7.5 | -3.8 | 0.79 |
| Nov | -1.6 | 4.5 | -6.1 | 0.56 |
| Dec | -6.2 | -3.0 | -3.2 | 0.42 |
Nearby years (cm vs. average)
+11.0
+6.4
+8.3
+14.4
+12.2
+16.4
+9.8
+6.3
+8.6
+7.0
+11.1
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 1998 annual mean water level ranked 15 of 123 years (16.4 cm vs. the period average).