condition	mean	min	max
4 h after light	9.80125	9.3865	10.216
8 h after light	6.423975	6.42135	6.4266
12 h after light	4.408855000000001	4.01287	4.80484
4 h after dark	5.97944	4.63311	7.32577
8 h after dark	4.97252	4.82106	5.12398
12 h after dark	6.5924700000000005	6.30917	6.87577