condition mean min max 3 h after light 0.39595633333333335 0.339901 0.426914 6 h after light 0.45621533333333336 0.328544 0.615831 9 h after light 0.3117646 0.0699078 0.600711 12 h after light 0.260366 0.127419 0.350542 3 h after dark 0.7319353333333334 0.637224 0.838392 6 h after dark 1.1363973333333333 0.780704 1.63954 9 h after dark 1.273021 0.881803 1.65221 12 h after dark 0.908937 0.658449 1.27598