condition mean min max 4 h after light 81.263597 64.200483 98.326711 8 h after light 62.270798 54.458398 70.083198 12 h after light 61.518299999999996 61.145879 61.890721 4 h after dark 55.359186 52.198174 58.520198 8 h after dark 53.919017499999995 47.191809 60.646226 12 h after dark 73.729558 73.729558 73.729558