condition	mean	min	max
4 h after light	10.333725000000001	9.45055	11.2169
8 h after light	7.00398	6.97283	7.03513
12 h after light	6.720525	6.40113	7.03992
4 h after dark	10.54124	9.94218	11.1403
8 h after dark	8.673224999999999	8.23256	9.11389
12 h after dark	10.158465	8.88393	11.433