condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 1.70594 0.0 3.41188 12 h after light 1.3545e-06 0.0 2.709e-06 2 h after dark 3.38349e-07 0.0 6.76698e-07 4 h after dark 1.593705 0.0 3.18741 8 h after dark 1.61188 0.0 3.22376 12 h after dark 0.0 0.0 0.0