condition	mean	min	max
4 h after light	3517.5	3517.5	3517.5
8 h after light	3016.8	2954.8	3078.8
12 h after light	3240.35	3073.7	3407.0
4 h after dark	3489.35	3429.5	3549.2
8 h after dark	3286.0	3251.7	3320.3
12 h after dark	3406.0	3207.8	3604.2