condition	mean	min	max
4 h after light	30293.300000000003	30033.7	30552.9
8 h after light	27505.65	27398.9	27612.4
12 h after light	24922.2	24225.2	25619.2
4 h after dark	24136.85	22109.0	26164.7
8 h after dark	32927.9	32769.3	33086.5
12 h after dark	31595.3	31452.0	31738.6