condition mean min max 4 h after light 0.035926349999999996 0.0332716 0.0385811 8 h after light 0.01318215 0.0 0.0263643 12 h after light 0.0273043 0.0 0.0546086 4 h after dark 0.0144559 0.0 0.0433677 8 h after dark 0.025690166666666667 0.0 0.0770705 12 h after dark 0.112733 0.0179599 0.26731