condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.031222566666666663 0.0 0.0659408 4 h after dark 0.0 0.0 0.0 8 h after dark 0.024300066666666665 0.0 0.0729002 12 h after dark 0.040878000000000005 0.0 0.122634