condition mean min max 0 h after light 6.18325 0.0 12.3665 2 h after light 5.75395 0.0 11.5079 4 h after light 5.767424999999999 3.75345 7.7814 8 h after light 9.863745 7.90899 11.8185 12 h after light 6.521065 4.79253 8.2496 2 h after dark 6.4291 0.0 12.8582 4 h after dark 5.590065 3.81951 7.36062 8 h after dark 12.767205 8.30681 17.2276 12 h after dark 9.905655 4.08741 15.7239