condition	mean	min	max
4 h after light	27.092855	12.76808	41.41763
8 h after light	36.9478325	33.339935	40.55573
12 h after light	49.1862165	43.392691	54.979742
4 h after dark	31.2142555	30.224394	32.204117
8 h after dark	20.703143	20.055751	21.350535
12 h after dark	18.870447	18.870447	18.870447