condition mean min max 3 h after light 0.13720583333333333 0.0 0.331064 6 h after light 0.07224896666666666 0.0 0.145805 9 h after light 0.04363 0.0 0.13089 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.055099 0.0 0.165297 9 h after dark 0.09585463333333333 0.0 0.226627 12 h after dark 0.21916 0.191884 0.246436