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Port San Luis water levels in 2021
Annual rank15 / 75
vs. average2.8 cm
Highest monthly peak1.29 mJune 2021
Monthly mean vs. previous year
| Month | 2021 (cm) | 2020 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 2.5 | 2.1 | 0.4 | 1.19 |
| Feb | -6.9 | 4.5 | -11.4 | 1.08 |
| Mar | -8.5 | 2.3 | -10.8 | 0.91 |
| Apr | -4.7 | -4.4 | -0.3 | 1.05 |
| May | -1.3 | -1.9 | 0.6 | 1.17 |
| Jun | 4.5 | 0.8 | 3.7 | 1.29 |
| Jul | 8.4 | 5.5 | 2.9 | 1.22 |
| Aug | 10.5 | 8.7 | 1.8 | 1.24 |
| Sep | 7.7 | 9.6 | -1.9 | 0.97 |
| Oct | 6.1 | 9.5 | -3.4 | 1.04 |
| Nov | 1.2 | 0.5 | 0.7 | 1.16 |
| Dec | 6.0 | 0.0 | 6.0 | 1.29 |
Nearby years (cm vs. average)
+4.5
+6.2
+6.6
+7.0
+3.8
+2.8
+2.6
+8.0
+3.0
+3.2
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2021 annual mean water level ranked 15 of 75 years (2.8 cm vs. the period average).