condition	mean	min	max
0 h after light	8.07442	7.52549	8.62335
4 h after light	13.19396	8.63362	17.7543
8 h after light	11.268699999999999	10.8183	11.7191
4 h after dark	22.51155	19.2959	25.7272
8 h after dark	19.1509	17.8176	20.4842
12 h after dark	11.7473	10.0767	13.4179