condition mean min max 4 h after light 517.29 407.3166667 636.34 8 h after light 606.8272222333334 541.2166667 659.535 12 h after light 451.45 386.54 560.18 1.5 h after dark 410.2522222333333 383.8166667 457.1 5.5 h after dark 387.35333333333335 322.82 438.6933333 9.5 h after dark 350.53000000000003 322.2 401.1