Evapotranspiration Calculations

Pyrenees (Ben Nevis) - April 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)
28/03/2026	1.8	2.8		14.7	4.1	99	74	5.48	12.27
29/03/2026	3.3	2.0		20.1	7.9	99	43	3.67	17.98
30/03/2026	3.9	0.0		22.4	12.3	72	36	3.32	17.84
31/03/2026	5.3	0.0		24.0	14.1	58	29	5.45	17.80
01/04/2026	2.7	0.0		18.3	15.2	96	34	4.15	7.66
02/04/2026	3.5	1.2		20.0	10.5	95	35	3.91	17.07
03/04/2026	2.3	0.6		13.4	6.8	99	58	5.89	16.41
Totals:	22.8	6.6

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