condition	mean	min	max
4 h after light	19.46815	13.7372	25.1991
8 h after light	15.16665	12.7164	17.6169
12 h after light	23.4058	15.4326	31.379
4 h after dark	14.266440000000001	7.18712	21.2523
8 h after dark	15.991853333333333	9.95716	21.0866
12 h after dark	34.9899	28.1177	45.0922