condition	mean	min	max
4 h after light	34.55425	32.9909	36.1176
8 h after light	23.1705	22.863	23.478
12 h after light	18.6316	17.323	19.9402
4 h after dark	21.4348	21.4122	21.4574
8 h after dark	24.59675	23.7588	25.4347
12 h after dark	32.9828	32.6661	33.2995