condition	mean	min	max
4 h after light	8.941665	7.97289	9.91044
8 h after light	12.807649999999999	12.4437	13.1716
12 h after light	15.3706	14.4138	16.3274
4 h after dark	17.326433333333334	16.2316	19.2505
8 h after dark	13.740233333333334	12.1006	14.7406
12 h after dark	10.400943333333334	8.50923	11.5134