condition	mean	min	max
0 h after light	7.4424600000000005	7.09802	7.7869
4 h after light	8.84567	8.07723	9.61411
8 h after light	10.616530000000001	9.71186	11.5212
4 h after dark	11.39315	10.1281	12.6582
8 h after dark	11.03265	10.7782	11.2871
12 h after dark	8.898685	8.47702	9.32035