condition mean min max 4 h after light 2.22e-05 1.23e-05 3.21e-05 8 h after light 2.28e-05 1.77e-05 2.79e-05 12 h after light 0.0565764 1.48e-05 0.113138 4 h after dark 2.1153333333333333e-05 7.76e-06 2.93e-05 8 h after dark 5.3281999999999996e-05 1.28e-05 0.000118846 12 h after dark 7.3e-06 0.0 1.33e-05