Table 2.

Median minimum temperature rank values (°C) for years 1–3 (Y1, Y2, Y3) for all four treatment types and ambient conditions. Values with different letter assignments within columns denotes significant differences using Tukey HSD with α ≤ 0.05.

Treatment	N	Y1	Y2	Y3
Control	12	−1.4 A	−1.7 A	−2.9 A
SR	12	−2.4 AB	−2.3 A	−4.6 AB
LR	12	−2.9 B	−2.7 AB	−3.3 A
LRSR	12	−3.8 BC	−4.5 BC	−6.2 BC
Ambient	6	−8.9 C	−9.8 C	−12.6 C