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 0.03906673333333333 0.0304643 0.0531793 12 h after light 0.11322 0.0444433 0.230598 3 h after dark 0.15572516666666666 0.0981185 0.186439 6 h after dark 0.05463546666666667 0.0 0.0940374 9 h after dark 0.03354753333333333 0.0 0.0611842 12 h after dark 0.0 0.0 0.0