condition	mean	min	max
4 h after light	19.852548	19.736638	19.968458
8 h after light	17.151147	16.467292	17.835002
12 h after light	17.0485105	16.101966	17.995055
4 h after dark	18.835141	15.132794	22.537488
8 h after dark	20.0138465	17.315699	22.711994
12 h after dark	14.020065	14.020065	14.020065