condition	mean	min	max
4 h after light	3881.0	3881.0	3881.0
8 h after light	3495.1	3430.0	3560.2
12 h after light	3616.6	3196.2	4037.0
4 h after dark	3833.5	3759.7	3907.3
8 h after dark	3891.55	3806.0	3977.1
12 h after dark	3646.9	3544.8	3749.0