condition	mean	min	max
4 h after light	15.688353333333334	10.49058	20.58144
8 h after light	14.392281	6.968213	23.14509
12 h after light	17.36447	14.254529999999999	22.75617
16 h after light	19.889013333333335	19.8066	19.9994
4 h after dark	16.42632	15.025720000000002	17.17769
8 h after dark	13.954973333333333	11.58183	15.781479999999998