Evapotranspiration Calculations

Rolleston Airport - October 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)
30/09/2026		0.0			17.4	100	31	3.18	19.89
01/10/2026		0.0				100	16	2.57	25.06
02/10/2026		0.0			10.2	100	11	2.27	25.14
03/10/2026	5.5	0.0		31.9	10.4	68	15	1.82	25.30
04/10/2026	5.3	0.0		32.3	11.4	57	20	1.50	25.42
05/10/2026	5.3	0.0		33.3	14.0	68	21	1.36	25.52
06/10/2026	6.2	0.0		34.0	17.3	95	25	2.61	24.88
Totals:	22.3	0.0

Monthly Archive

Year
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