condition	mean	min	max
4 h after light	18.692177	13.513931	23.870423
8 h after light	17.4050625	16.449591	18.360534
12 h after light	16.6743915	14.333527	19.015256
4 h after dark	26.053914	19.045454	33.062374
8 h after dark	18.367480999999998	18.066882	18.66808
12 h after dark	24.364829	24.364829	24.364829