condition mean min max 4 h after light 214.637405 189.059238 240.215572 8 h after light 170.578211 162.001288 179.155134 12 h after light 183.176607 181.774116 184.579098 4 h after dark 183.719618 171.847441 195.591795 8 h after dark 181.39567449999998 177.713294 185.078055 12 h after dark 156.983775 156.983775 156.983775