condition mean min max 4 h after light 2.965e-09 0.0 5.93e-09 8 h after light 2.68e-08 0.0 5.36e-08 12 h after light 2.2265e-08 9.13e-09 3.54e-08 4 h after dark 4.7e-09 0.0 1.41e-08 8 h after dark 9.866666666666668e-08 2.29e-08 2.32e-07 12 h after dark 0.0 0.0 0.0