Evapotranspiration Calculations
Mcarthur River Mine Airport - January 2026 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) |
| 01/01/2026 | 6.6 | 0.0 | | 36.2 | 25.7 | 95 | 47 | 3.18 | 25.25 |
| 02/01/2026 | 6.3 | 10.6 | | 36.2 | 23.6 | 96 | 48 | 2.16 | 26.04 |
| 03/01/2026 | 5.1 | 8.8 | | 33.6 | 24.1 | 95 | 63 | 2.17 | 21.89 |
| 04/01/2026 | 5.8 | 0.2 | | 37.0 | 25.3 | 95 | 51 | 1.76 | 23.75 |
| 05/01/2026 | 7.2 | 0.0 | | 38.9 | 25.5 | 95 | 36 | 2.31 | 27.69 |
| 06/01/2026 | 6.9 | 0.0 | | 37.8 | 26.7 | 96 | 38 | 2.07 | 27.16 |
| 07/01/2026 | 4.0 | 0.0 | | 33.8 | 26.1 | 95 | 62 | 1.74 | 15.65 |
| 08/01/2026 | 5.0 | 4.8 | | 35.7 | 25.2 | 97 | 52 | 2.18 | 19.00 |
| 09/01/2026 | 5.4 | 6.2 | | 34.8 | 24.4 | 96 | 52 | 2.22 | 22.06 |
| 10/01/2026 | 5.4 | 0.2 | | 36.5 | 25.1 | 94 | 47 | 2.08 | 20.69 |
| 11/01/2026 | 6.4 | 0.0 | | 38.0 | 24.7 | 93 | 39 | 1.88 | 25.37 |
| 12/01/2026 | 7.5 | 0.0 | | 41.0 | 25.1 | 92 | 26 | 1.91 | 29.18 |
| 13/01/2026 | 6.2 | 0.0 | | 38.1 | 23.3 | 88 | 23 | 1.74 | 23.85 |
| 14/01/2026 | 7.1 | 0.0 | | 40.1 | 22.1 | 89 | 23 | 2.05 | 26.56 |
| 15/01/2026 | 2.6 | 5.0 | | 29.9 | 24.3 | 96 | 61 | 2.04 | 8.28 |
| 16/01/2026 | 4.0 | 2.8 | | 33.6 | 25.1 | 97 | 64 | 2.28 | 15.49 |
| 17/01/2026 | 3.2 | 25.0 | | 31.3 | 24.6 | 96 | 75 | 2.60 | 12.66 |
| 18/01/2026 | 3.9 | 9.0 | | 33.3 | 26.0 | 97 | 66 | 1.86 | 15.58 |
| 19/01/2026 | 6.9 | 8.6 | | 37.5 | 24.9 | 97 | 43 | 2.25 | 27.86 |
| 20/01/2026 | 7.4 | 10.8 | | 38.5 | 24.6 | 96 | 43 | 2.78 | 28.85 |
| 21/01/2026 | 7.3 | 1.2 | | 37.9 | 26.0 | 96 | 41 | 2.78 | 28.18 |
| 22/01/2026 | 6.5 | 0.2 | | 36.6 | 24.9 | 91 | 44 | 1.99 | 26.93 |
| 23/01/2026 | 6.0 | 0.0 | | 35.3 | 25.6 | 92 | 53 | 1.71 | 25.90 |
| 24/01/2026 | 7.0 | 0.0 | | 37.0 | 24.6 | 96 | 39 | 2.11 | 29.22 |
| 25/01/2026 | 6.3 | 0.0 | | 37.5 | 25.0 | 87 | 48 | 2.74 | 22.93 |
| 26/01/2026 | 6.5 | 0.0 | | 37.0 | 25.7 | 93 | 46 | 2.73 | 25.00 |
| 27/01/2026 | 6.9 | 2.0 | | 37.1 | 26.4 | 89 | 47 | 2.83 | 26.58 |
| 28/01/2026 | 6.2 | 0.0 | | 35.5 | 26.1 | 93 | 50 | 3.33 | 23.40 |
| 29/01/2026 | 4.9 | 4.4 | | 34.4 | 24.4 | 97 | 56 | 2.23 | 19.64 |
| 30/01/2026 | 2.5 | 17.0 | | 28.6 | 24.6 | 96 | 80 | 2.66 | 9.97 |
| Totals: | 173.0 | 116.8 | | | | | | | |
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