condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03670985 0.0 0.0734197 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.035771000000000004 0.0 0.107313 12 h after dark 0.0 0.0 0.0