condition	mean	min	max
4 h after light	3897.7	3897.7	3897.7
8 h after light	3340.4	3017.0	3663.8
12 h after light	3435.3	3057.7	3812.9
4 h after dark	3247.05	3160.1	3334.0
8 h after dark	2620.55	2526.5	2714.6
12 h after dark	2986.05	2610.8	3361.3