| Water year | Date when warming started at 50 cm | Temperature in ˚C | 1-June Temperature in ˚C |
| WY2011 | 8-May | 0.66 | 3.8 |
| WY2012 | 28-April | −0.004 | 4.4 |
| WY2013 | 1-April | −0.26 | 6.4 |
| WY2014 | 29-March | −0.09 | 6.7 |
| WY2015 | 15-March | 0.55 | 8.3 |
| WY2016 | 9-April | 0.27 | 6.8 |
| WY2017 | 22-April | 0.47 | 7.7 |