Evapotranspiration Calculations

Pyrenees (Ben Nevis) - November 2025 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)
29/10/2025	4.1	0.0		18.4	5.1	72	38	2.77	23.91
30/10/2025	5.5	0.0		20.7	9.4	63	35	5.90	24.20
31/10/2025	2.8	1.6		15.2	9.9	99	40	4.55	11.40
01/11/2025	4.4	6.6		20.8	9.2	98	53	3.69	27.43
02/11/2025	5.9	0.0		27.1	14.3	98	31	5.35	21.84
03/11/2025	2.0	13.0		12.5	5.0	100	67	5.41	11.94
04/11/2025	1.5	2.8		8.5	3.4	99	82	4.95	12.39
Totals:	26.2	24.0

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