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San Juan water levels in 2020
Annual rank9 / 57
vs. average5.0 cm
Highest monthly peak0.51 mOctober 2020
Monthly mean vs. previous year
| Month | 2020 (cm) | 2019 (cm) | Diff | Peak (m) |
|---|---|---|---|---|
| Jan | 4.5 | 3.6 | 0.9 | 0.42 |
| Feb | 1.2 | -0.4 | 1.6 | 0.34 |
| Mar | -2.9 | 3.3 | -6.2 | 0.38 |
| Apr | -1.3 | 3.1 | -4.4 | 0.37 |
| May | 4.0 | 5.7 | -1.7 | 0.40 |
| Jun | 7.4 | 4.1 | 3.3 | 0.40 |
| Jul | 10.2 | 8.7 | 1.5 | 0.47 |
| Aug | 8.8 | 7.3 | 1.5 | 0.45 |
| Sep | 10.8 | 11.8 | -1.0 | 0.43 |
| Oct | 13.0 | 17.2 | -4.2 | 0.51 |
| Nov | 12.6 | 18.1 | -5.5 | 0.48 |
| Dec | 7.8 | 11.4 | -3.6 | 0.48 |
Nearby years (cm vs. average)
+10.0
+7.0
+3.0
+4.3
+6.5
+5.0
+4.4
+7.2
+8.2
+4.7
+7.6
Monthly means are relative to the station's mean sea level (MSL) datum.
About this page
The 2020 annual mean water level ranked 9 of 57 years (5.0 cm vs. the period average).