Paracowie Farm Manager
GC & HA Murdoch Partnership
George

Dashboard — 2026–27

Net margin by paddock ($/Ha)
Net margins.
Annual obligations
Obligations.
Crop summary
CropHaAvg yieldPriceProfitableTotal net

Grain marketing — 2026–27

Track forward contracts, hedges and your position against MCE for each commodity.

Wheat
Lentils
Canola
Barley
Price deciles
Historical prices
Carry cost

Gross margins

Live grain prices — change any price to instantly recalculate all margins
All paddocks — 2026 season
PaddockCropHaYield T/HaPrice $/TGross marginVar cost/HaNet/HaNet totalResult

Paddock editor

Add, edit or remove paddocks. Click a paddock row to edit its variable cost breakdown in detail.

Add paddock

Land debt schedule

Add loan

Machinery costs

Annual cost by operation
Costs.
Machinery debt schedule
EntityEquipment2026202720282029
Cost per Ha / unit by operation — full workings

Lease schedule

All leases
PropertyLessorRate $/HaHaAnnualPaymentsExpiryStatus

Council rates

Vehicle registrations

Monthly cashflow 2026
Monthly rego.
All vehicles
PlateVehicleEntityTypeExpiryRenewalTotal $

Prices & costs

All prices here flow through to the input cost breakdown in every paddock. Change a chemical price and it updates every paddock that uses it.

Grain prices ($/T)
Chemicals
Fertilisers
Seed
Operations
Levies & other

Edit any price below and click Save — all paddock input cost breakdowns will recalculate automatically.

2026 Rainfall log
DatemmRunning totalNotes

Historical yields (T/Ha)

Farm average yields by crop across all years, plus per-paddock breakdown for 2025 and 2026.

Rainfall & Yield Analysis

96 years of Paracowie Farm rainfall data (1930–2025). WUE model: Wheat = 0.01984 × GS PAW | Lentil = 0.00992 × GS PAW

Long-run avg
442mm
30yr rolling avg
420mm
Rainfall trend
−5.7mm/decade
2024 (record dry)
200mm
2025
435mm
2026 consensus forecast: 437mm — wheat projection 7.1 t/Ha, lentil 3.6 t/Ha. April rain has declined 31% since the 1970s — the most significant structural change. June is the strongest yield predictor (r=0.58).
Annual rainfall
Monthly profile
Decadal trends
Yield model
2026 outlook
Rainfall log
Annual rainfall 1930–2025 with 10-year moving average
Recent decade (2015–2025)
Average monthly rainfall (long-run)
Monthly correlation with wheat yield
Key correlation findings
MonthCorrelation (r)SignificanceImplication
June0.58p<0.01Strongest single monthly predictor
September0.54p<0.01Grain fill — critical for final yield
May0.51p<0.01Every extra 10mm in May ≈ +0.10 t/Ha wheat
August0.38p<0.01Head emergence support
July0.37p<0.01Tillering and canopy development
April0.33p<0.01Pre-season PAW recharge — declining 31% since 1970s
Jan–Mar / Nov–Dec~0.00Not sig.Summer rain does not carry to yield
Decadal average rainfall
Dry year frequency per decade (<350mm)
Dry year frequency has doubled: 1.5 dry years/decade pre-2000 → 3.0/decade in the 2000s–2010s. April rainfall down 31% since 1976 (38.8mm → 26.9mm). Long-run averages projected to reach ~400mm by the 2040s.
WUE yield calculator — enter your rainfall forecast

WUE model calibrated to farm benchmarks: 6.50 t/Ha wheat and 3.25 t/Ha lentil at 400mm annual rainfall. Actual yields depend on variety, nutrition, disease pressure and management.

Yield scenarios by rainfall outcome
OutlookAnnual mmGS PAWWheat est.Lentil est.
Very Dry D1–D2<370mm<303mm6.0 t/Ha3.01 t/Ha
Below Avg D3–D4370–420mm303–344mm6.4 t/Ha3.20 t/Ha
Average D5–D6420–480mm344–393mm7.3 t/Ha3.66 t/Ha
Good D7–D8480–540mm393–442mm8.3 t/Ha4.15 t/Ha
Wet D9–D10>540mm>442mm9.1+ t/Ha4.56+ t/Ha
2026 probabilistic forecast
Linear trend
414mm
10-yr moving avg
432mm
Post-dry-year avg
461mm
Long-run avg
442mm
Consensus
437mm
Mid-season decision framework
May+June totalSeason signalRecommended action
<80mmTracking below averageConserve inputs — reduce variable N
80–130mmAverage seasonStandard input programme
>130mmHigh potential seasonJustify additional N topdress — chase the yield

When May+June exceeds 120mm, average wheat yield is 6.4 t/Ha — 37% above years where May+June is below 80mm (4.7 t/Ha). Track your May+June running total weekly from May 1.

ENSO caveat: This analysis cannot capture ENSO/IOD signals, which dominate SA grain belt rainfall at seasonal timescales. Cross-reference the BoM ENSO Outlook quarterly. La Niña = push forecast higher. El Niño = push lower.

Settings

Change PIN

Set a shared PIN for George and Hugh. Keep it simple — 4 to 6 digits.

Season management

Archive the current season and start a new one. Archived seasons are read-only.

Data export

Export all data as a JSON backup file.

Past seasons

Archived seasons are read-only. Click a season to review it in the dashboard and all modules.

Saved