condition mean min max 0 h after light 0.196603 0.130913 0.262293 4 h after light 0.5206105 0.266782 0.774439 8 h after light 0.1961495 0.133262 0.259037 4 h after dark 0.386228 0.258163 0.514293 8 h after dark 0.259496 0.128933 0.390059 12 h after dark 0.258627 0.255779 0.261475