condition	mean	min	max
4 h after light	18.68555	18.4515	18.9196
8 h after light	10.7245	10.5515	10.8975
12 h after light	11.7461	11.3107	12.1815
4 h after dark	15.88045	14.8374	16.9235
8 h after dark	19.472250000000003	19.3487	19.5958
12 h after dark	21.524700000000003	21.0425	22.0069