condition	mean	min	max
4 h after light	19.1485	16.0738	22.2232
8 h after light	19.397350000000003	18.9093	19.8854
12 h after light	23.18775	21.9216	24.4539
4 h after dark	28.842233333333333	27.8813	29.6417
8 h after dark	29.5897	27.7696	30.7891
12 h after dark	24.3227	21.6366	26.4969