condition	mean	min	max
0 h after light	27.3473	26.7622	27.9324
4 h after light	19.2119	17.1439	21.2799
8 h after light	19.99055	19.3891	20.592
4 h after dark	23.4003	22.4701	24.3305
8 h after dark	26.4488	25.3344	27.5632
12 h after dark	21.5993	21.5002	21.6984