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Hilo water levels in 2018
Annual rank7 / 83
vs. average13.1 cm
Highest monthly peak0.79 mSeptember 2018
Monthly mean vs. previous year
| Month | 2018 (cm) | 2017 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 9.2 | 8.3 | 0.9 | 0.78 |
| Feb | 9.8 | 14.9 | -5.1 | 0.73 |
| Mar | 1.8 | 14.5 | -12.7 | 0.54 |
| Apr | 5.5 | 11.5 | -6.0 | 0.56 |
| May | 9.3 | 13.4 | -4.1 | 0.65 |
| Jun | 10.9 | 10.0 | 0.9 | 0.71 |
| Jul | 11.3 | 15.5 | -4.2 | 0.76 |
| Aug | 12.7 | 21.9 | -9.2 | 0.68 |
| Sep | 23.3 | 20.4 | 2.9 | 0.79 |
| Oct | 17.7 | 20.0 | -2.3 | 0.69 |
| Nov | 7.3 | 17.3 | -10.0 | 0.60 |
| Dec | 4.1 | 15.4 | -11.3 | 0.69 |
Nearby years (cm vs. average)
+7.8
+9.3
+13.5
+18.1
+13.1
+13.6
+18.5
+11.2
+8.0
+11.0
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2018 annual mean water level ranked 7 of 83 years (13.1 cm vs. the period average).