condition mean min max 4 h after light 265.715578 164.213214 367.217942 8 h after light 236.41384999999997 171.498665 301.329035 12 h after light 142.592476 140.462826 144.722126 4 h after dark 260.405818 175.376281 345.435355 8 h after dark 236.382408 185.38603 287.378786 12 h after dark 251.794836 251.794836 251.794836