From: Climate effects on the onset of flowering in the United Kingdom
Variable | Rank definitions |
---|---|
FFD temperature response rate (days °C−1) | 1 = smallest, 5 = largest |
FFD altitude (masl) | 1 = highest, 5 = lowest |
FFD longitude (degrees east to west) | 1 = most easterly, 5 = most westerly |
FFD latitude (degrees south to north) | 1 = most northerly, 5 = most southerly |