condition	mean	min	max
0 h after light	14.9848	14.5565	15.4131
4 h after light	15.706714999999999	6.63093	24.7825
8 h after light	15.8663	15.0394	16.6932
4 h after dark	10.889405	5.79091	15.9879
8 h after dark	7.62884	2.72208	12.5356
12 h after dark	5.365305	1.53003	9.20058