Wednesday, 8 April 2026
Weekly Irrigation Requirements
Northern Victoria
This provides reference evapotranspiration (ETo) information to assist with irrigation scheduling for improved yields and higher water productivity.
This information can also be viewed at ExtensionAUS Irrigating Agriculture where an interactive map provides live daily ETo data for any Victorian location.
In this update:
- Summary
- Water links
- Last week’s irrigation requirement
- Next week’s irrigation requirement
- Daily ETo and rainfall
- Soil temperature
- Seven-day forecast – Cohuna
1. Summary
- Plant water requirement for the past 7 days was 21 mm.
(for a reference crop of pasture at Kyabram). - Forecast ETo for the next 7 days is 19 mm.
(cumulative ETo at Kyabram). - Current surface-irrigation interval is 17 days.
(for Kyabram at 40mm refill point).
‘Water requirement’ for our reference crop of pasture (ETo) at Kyabram*
Table 1: Water requirement for our reference crop of pasture (ETo) at Kyabram* * See the tables and graphs below for ETo (and rainfall) at more locations.
2. Water links
Engage – 2026 Basin Plan Review: Have Your Say
Events – Irrigating Agriculture Events Page
Resources – Irrigation System Selection & Design Guidelines
3. Last week’s reference evapotranspiration (ETo)
Wednesday 1 April – Tuesday 7 April
Table 2: Total evapotranspiration values relating Wednesday 1 April – Tuesday 7 April
4. Next week’s forecast reference evapotranspiration (ETo)
Wednesday 8 April – Tuesday 14 April
Table 3: Total evapotranspiration values relating to Wednesday 8 April – Tuesday 14 April
5. Daily evapotranspiration (ETo) and rainfall – last week and next week
Figure 1: Total evapotranspiration and rainfall relating to Wednesday 1 April to Tuesday 14 April – Deniliquin
Figure 2: Total evapotranspiration and rainfall values relating to Wednesday 1 April to Tuesday 14 April – Kyabram
Figure 3: Total evapotranspiration and rainfall values relating to Wednesday 1 April to Tuesday 14 April – Tatura
Figure 4: Total evapotranspiration and rainfall values relating to Wednesday 1 April to Tuesday 14 April – Kerang
Figure 5: Total evapotranspiration and rainfall values relating to Wednesday 1 April to Tuesday 14 April – Echuca
Figure 6: Total evapotranspiration and rainfall values relating to Wednesday 1 April to Tuesday 14 April – Yarrawalla
Figure 7: Total evapotranspiration and rainfall values relating Wednesday 1 April to Tuesday 14 April – Numurkah
6. Soil temperature
Soil temperature measured at 9 am today (Wednesday):
- Wee Wee Rup (irrigated annual pasture): 19.19°C at 10cm.
- Wandella (irrigated lucerne): 19.95°C at 15cm.
7. Seven-day forecast – Cohuna
Figure 8: Weather forecast temperatures for Cohuna from April 8 to April 14 – Source: Weatherzone.
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The intention of this service is not for the information to be used in isolation when making decisions about irrigation. ETo data provides another handy tool in your irrigation toolbox and needs to be used in conjunction with other preferred scheduling methods and updated weather information.
This publication is provided solely for information purposes and no representation or warranty is made as to its quality, accuracy, completeness, suitability or fitness for any particular purpose.
You should make your own inquiries as to its appropriateness and suitability for your circumstances.
The State of Victoria as represented by the Department of Energy, Environment and Climate Action (DEECA) accepts no duty of care and disclaims all liability in relation to use of this publication.
