Evapotranspiration Calculations

St Helens Aerodrome - 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	3.2	0.0		20.9	8.2	84	48	3.94	16.23
29/03/2026	3.1	0.0		24.2	9.2	95	46	2.76	16.13
30/03/2026	2.6	0.0		23.7	11.4	91	55	2.56	12.10
31/03/2026	3.8	0.0		26.4	12.3	91	37	3.26	16.20
01/04/2026	3.2	0.0		26.0	11.1	96	43	3.13	11.56
02/04/2026	3.5	0.0		23.1	11.3	92	36	3.61	15.47
03/04/2026	3.2	0.0		18.7	12.3	74	26	3.12	14.34
Totals:	22.6	0.0

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