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Humboldt Bay (North Spit) water levels in 2018
Annual rank9 / 46
vs. average8.0 cm
Highest monthly peak1.72 mDecember 2018
Monthly mean vs. previous year
| Month | 2018 (cm) | 2017 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 18.6 | 28.5 | -9.9 | 1.62 |
| Feb | 3.2 | 32.5 | -29.3 | 1.48 |
| Mar | 16.9 | 15.5 | 1.4 | 1.44 |
| Apr | 7.6 | 11.8 | -4.2 | 1.23 |
| May | 6.6 | 4.4 | 2.2 | 1.37 |
| Jun | 6.0 | 9.2 | -3.2 | 1.44 |
| Jul | 11.8 | 9.5 | 2.3 | 1.56 |
| Aug | 15.1 | 18.6 | -3.5 | 1.48 |
| Sep | 15.3 | 18.2 | -2.9 | 1.31 |
| Oct | 19.5 | 8.8 | 10.7 | 1.31 |
| Nov | 17.4 | 20.6 | -3.2 | 1.55 |
| Dec | 20.4 | 11.0 | 9.4 | 1.72 |
Nearby years (cm vs. average)
-1.1
+10.5
+11.9
+9.4
+10.5
+8.0
+11.9
+6.8
+7.0
+7.2
+15.5
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2018 annual mean water level ranked 9 of 46 years (8.0 cm vs. the period average).