condition mean min max 4 h after light 8.192190499999999 8.061706 8.322675 8 h after light 8.845779 8.322675 9.368883 12 h after light 7.588058 6.853441 8.322675 4 h after dark 8.3100395 8.252787 8.367292 8 h after dark 8.216197000000001 8.109719 8.322675 12 h after dark 8.874276 8.874276 8.874276