condition mean min max 2 h after light 0.7266948333333333 0.335424 1.1797 6 h after light 0.4444395 0.0 0.811284 10 h after light 0.5110433333333333 0.0 0.892018 14 h after light 0.9497605 0.466084 1.58362 18 h after light 0.850867 0.151224 1.66982 2 h after dark 0.7377686666666666 0.160418 1.47271