Evapotranspiration Calculations
Grafton Airport - May 2013 daily calculations
| Date |
Evapotrans- piration (mm) 0000- 2400 |
Rain (mm) 0900- 0900 |
Pan Evaporation (mm) 0900- 0900 |
Max Temp |
Min Temp |
Max Rel Hum (%) |
Min Rel Hum (%) |
Average 10m Wind Speed (m/sec) |
Solar Radiation (MJ/sq m) |
| 01/05/2013 | 2.7 | 0.2 | | 27.1 | 12.6 | 98 | 51 | 1.17 | 17.86 |
| 02/05/2013 | 2.9 | 0.0 | | 23.9 | 11.9 | 99 | 50 | 2.91 | 15.60 |
| 03/05/2013 | 2.7 | 0.2 | | 24.6 | 9.2 | 95 | 38 | 1.46 | 17.57 |
| 04/05/2013 | 3.0 | 0.0 | | 29.1 | 7.0 | 98 | 22 | 1.12 | 18.43 |
| 05/05/2013 | 2.6 | 0.0 | | 23.5 | 10.1 | 97 | 51 | 2.26 | 16.50 |
| 06/05/2013 | 2.8 | 0.0 | | 23.2 | 9.6 | 96 | 41 | 2.39 | 17.01 |
| 07/05/2013 | 2.1 | 0.0 | | 22.6 | 10.7 | 97 | 57 | 2.04 | 11.16 |
| 08/05/2013 | 2.6 | 0.6 | | 23.6 | 11.7 | 96 | 48 | 2.23 | 15.04 |
| 09/05/2013 | 2.7 | 0.0 | | 23.7 | 11.0 | 96 | 45 | 2.40 | 16.18 |
| 10/05/2013 | 2.8 | 0.2 | | 23.9 | 9.4 | 98 | 48 | 2.83 | 16.34 |
| 11/05/2013 | 2.2 | 0.0 | | 22.6 | 11.5 | 95 | 59 | 2.86 | 10.18 |
| 12/05/2013 | 1.9 | 1.0 | | 22.7 | 12.3 | 97 | 64 | 1.89 | 11.12 |
| 13/05/2013 | 1.6 | 0.2 | | 23.2 | 9.9 | 98 | 60 | 0.60 | 12.02 |
| 14/05/2013 | 1.5 | 3.4 | | 22.9 | 13.6 | 98 | 64 | 0.73 | 9.66 |
| 15/05/2013 | 2.1 | 1.2 | | 22.6 | 10.1 | 98 | 44 | 1.14 | 15.98 |
| 16/05/2013 | 2.1 | 0.2 | | 22.7 | 11.0 | 97 | 38 | 1.22 | 14.24 |
| 17/05/2013 | 2.4 | 0.0 | | 23.7 | 5.1 | 98 | 26 | 1.26 | 16.62 |
| 18/05/2013 | 2.2 | 0.0 | | 21.4 | 2.7 | 98 | 33 | 1.43 | 16.56 |
| 19/05/2013 | 2.2 | 0.0 | | 21.6 | 1.9 | 97 | 31 | 1.37 | 16.46 |
| 20/05/2013 | 1.6 | 0.0 | | 19.4 | 1.6 | 98 | 36 | 0.98 | 12.24 |
| 21/05/2013 | 1.4 | 0.0 | | 21.2 | 2.5 | 98 | 41 | 0.43 | 13.59 |
| 22/05/2013 | 0.8 | 0.0 | | 15.4 | 8.8 | 97 | 78 | 0.73 | 4.00 |
| 23/05/2013 | 2.0 | 2.6 | | 22.4 | 7.0 | 99 | 44 | 1.41 | 14.22 |
| 24/05/2013 | 1.5 | 0.0 | | 17.8 | 9.5 | 97 | 62 | 3.76 | 3.05 |
| Totals: | 52.4 | 9.8 | | | | | | | |
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