condition mean min max 3 h after light 0.415578 0.0 0.626486 6 h after light 0.258369 0.0 0.468588 9 h after light 0.36163066666666666 0.207064 0.565805 12 h after light 0.26495335 0.0556364 0.757294 3 h after dark 0.20963316666666668 0.0716775 0.286724 6 h after dark 0.2939043333333333 0.185775 0.410258 9 h after dark 0.22251796666666665 0.052658 0.522234 12 h after dark 0.445963 0.28394 0.607986