condition	mean	min	max
4 h after light	1.57242	1.48962	1.65522
8 h after light	1.593905	1.50369	1.68412
12 h after light	1.3039450000000001	1.14269	1.4652
4 h after dark	1.59293	1.56473	1.62113
8 h after dark	1.5694050000000002	1.51821	1.6206
12 h after dark	1.612095	1.54884	1.67535