condition mean min max 0 h after light 0.313802 0.156691 0.470913 4 h after light 0.159657 0.0 0.319314 8 h after light 0.077511 0.0 0.155022 4 h after dark 0.0 0.0 0.0 8 h after dark 0.386454 0.155622 0.617286 12 h after dark 0.30955350000000004 0.306145 0.312962