condition	mean	min	max
4 h after light	7.7797350000000005	6.21521	9.34426
8 h after light	18.066699999999997	17.6373	18.4961
12 h after light	21.0569	20.0143	22.0995
4 h after dark	24.094900000000003	22.5132	25.6766
8 h after dark	15.449349999999999	14.7534	16.1453
12 h after dark	14.01825	13.5388	14.4977