This aggression is a reminder that spring here is serious business. In a land of harsh climates, the window to raise young is short, and the instinct to protect is fierce.
| Metric | Trend | |--------|-------| | Spring mean temperature | +0.23°C per decade (southwest & southeast fastest warming) | | Spring rainfall (southern Australia) | Decreased 10–20% (May–Oct) in SW WA; some southeast decline | | Spring rainfall (northern Australia) | Slight increase (more pre-monsoon moisture) | | Fire weather (spring FFDI) | Increased 20–30% in southeast Australia since 1970 | | Frost days (spring) | Reduced by 10–20 days in agricultural zones (longer growing season but higher evaporative demand) | australian spring months