condition mean min max 4 h after light 14.202091500000002 12.794657 15.609526 8 h after light 15.213908 14.799515 15.628301 12 h after light 15.965496000000002 13.732106 18.198886 4 h after dark 14.666295000000002 13.723064 15.609526 8 h after dark 17.278863 15.193943 19.363783 12 h after dark 18.112676 18.112676 18.112676