condition	mean	min	max
4 h after light	56.1279	55.5511	56.7047
8 h after light	45.4179	45.1609	45.6749
12 h after light	30.408099999999997	27.9263	32.8899
4 h after dark	16.11253333333333	14.8728	16.8753
8 h after dark	25.952033333333333	23.2648	28.5175
12 h after dark	43.832366666666665	40.5852	45.9284