Evapotranspiration Calculations

Byron Bay (Cape Byron) - 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	6.7	0.4		31.1	20.6	92	56	5.07	29.77
02/01/2026	2.5	34.4		24.2	19.3	98	80	5.26	11.23
03/01/2026	4.3	2.8		27.9	18.6	96	66	4.68	19.29
04/01/2026	4.8	0.0		27.5	21.4	85	68	5.24	20.52
05/01/2026	5.2	1.6		26.8	22.1	92	67	5.50	25.50
06/01/2026	5.6	0.0		28.5	20.2	93	67	4.42	28.14
07/01/2026	6.0	0.0		28.6	21.4	89	61	4.72	28.73
08/01/2026	6.1	0.0		29.7	21.9	85	58	3.65	28.07
09/01/2026	7.1	0.0		30.4	22.1	78	55	6.21	28.98
Totals:	48.3	39.2

Monthly Archive

Year
2009	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2010	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2011	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2013	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2014	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2016	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2017	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2018	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2019	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2021	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2022	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2023	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2024	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2025	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2026	Jan