condition	mean	min	max
4 h after light	11.1754	10.1991	12.1517
8 h after light	16.0149	15.8201	16.2097
12 h after light	10.96885	10.3923	11.5454
4 h after dark	19.2119	17.8305	20.5933
8 h after dark	18.52185	18.0473	18.9964
12 h after dark	16.569000000000003	15.7575	17.3805