condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 1.0709533333333334 0.0 3.21286 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 3.8202 0.0 11.4606 12 h after dark 0.0 0.0 0.0