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 0.02654156666666667 0.0 0.0796247 12 h after light 0.0548356 0.0 0.0746114 3 h after dark 0.060972399999999996 0.0 0.0914608 6 h after dark 0.0 0.0 0.0 9 h after dark 0.03941033333333333 0.0 0.118231 12 h after dark 0.0 0.0 0.0