condition	mean	min	max
4 h after light	24.27205	21.5036	27.0405
8 h after light	31.69395	30.5223	32.8656
12 h after light	39.3095	38.7413	39.8777
4 h after dark	15.0931	14.6346	15.4065
8 h after dark	15.8935	14.5468	16.7823
12 h after dark	22.603866666666665	22.3311	22.8826