condition	mean	min	max
4 h after light	14.44425	10.1812	18.7073
8 h after light	13.12305	13.0062	13.2399
12 h after light	12.45925	12.2687	12.6498
4 h after dark	21.308066666666665	17.2671	28.7535
8 h after dark	31.3699	28.1426	36.6566
12 h after dark	31.2453	23.4408	40.0912