condition	mean	min	max
4 h after light	14.37505	12.9892	15.7609
8 h after light	15.49685	14.669	16.3247
12 h after light	15.516200000000001	14.0191	17.0133
4 h after dark	23.43675	20.3996	26.4739
8 h after dark	21.48305	21.1987	21.7674
12 h after dark	19.6235	19.4528	19.7942