condition	mean	min	max
4 h after light	641.7	641.7	641.7
8 h after light	785.8	753.0	818.6
12 h after light	749.05	687.6	810.5
4 h after dark	648.25	582.4	714.1
8 h after dark	618.6	518.5	718.7
12 h after dark	474.6	402.3	546.9