condition	mean	min	max
4 h after light	16.096926666666665	15.073839999999999	17.24344
8 h after light	15.583246666666666	12.01694	20.616329999999998
12 h after light	11.046459333333333	7.145128	13.3184
16 h after light	19.262756666666665	15.693589999999999	24.162779999999998
4 h after dark	20.813940000000002	20.30281	21.216920000000002
8 h after dark	18.23085	15.563579999999998	20.69434