condition mean min max 2 h after light 1.0638903333333334 0.653421 1.38176 6 h after light 1.2392846666666668 0.779724 1.68188 10 h after light 1.6355066666666667 0.94339 2.31476 2 h after dark 1.933743 0.806499 3.61095 6 h after dark 2.26712 1.68274 2.6027 10 h after dark 1.194604 0.791292 1.44009