condition	mean	min	max
4 h after light	10.720555	9.63741	11.8037
8 h after light	8.169585000000001	8.1255	8.21367
12 h after light	7.883145000000001	7.52898	8.23731
4 h after dark	9.986963333333334	9.69302	10.4299
8 h after dark	10.47839	9.97107	11.1904
12 h after dark	9.876943333333333	9.51113	10.3055