condition	mean	min	max
4 h after light	43.563	42.1447	44.9813
8 h after light	30.29525	29.8187	30.7718
12 h after light	35.1265	32.9769	37.2761
4 h after dark	49.71635	49.1252	50.3075
8 h after dark	64.19315	64.1108	64.2755
12 h after dark	67.1216	65.1732	69.07