condition	mean	min	max
4 h after light	13.0600735	12.01667	14.103477
8 h after light	11.9745815	10.33352	13.615643
12 h after light	15.468778	11.770323	19.167233
4 h after dark	13.506848000000002	13.398053	13.615643
8 h after dark	17.1239385	16.822781	17.425096
12 h after dark	12.287518	12.287518	12.287518