condition mean min max 0 h after light 0.9316344999999999 0.930804 0.932465 4 h after light 0.708247 0.183544 1.23295 8 h after light 0.2829199 0.0920888 0.473751 4 h after dark 0.916877 0.457084 1.37667 8 h after dark 1.2422149999999998 1.10934 1.37509 12 h after dark 1.379145 1.36396 1.39433