condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.024881633333333333 0.0 0.0746449 9 h after light 0.020749 0.0 0.062247 12 h after light 0.0 0.0 0.0 3 h after dark 0.033370000000000004 0.0 0.10011 6 h after dark 0.0 0.0 0.0 9 h after dark 0.06720323333333333 0.0139328 0.151986 12 h after dark 0.0 0.0 0.0