condition	mean	min	max
4 h after light	14.16865	13.9362	14.4011
8 h after light	15.85405	15.7434	15.9647
12 h after light	14.1707	13.325	15.0164
4 h after dark	18.01085	17.8105	18.2112
8 h after dark	13.95045	13.9416	13.9593
12 h after dark	14.1654	13.8094	14.5214