condition mean min max 0 h after light 0.34721399999999997 0.11591 0.578518 4 h after light 0.7766985000000001 0.412627 1.14077 8 h after light 0.3786475 0.286178 0.471117 4 h after dark 0.370439 0.170454 0.570424 8 h after dark 0.687324 0.512792 0.861856 12 h after dark 0.484159 0.346645 0.621673