condition mean min max 4 h after light 1.9400179999999998 0.722644 3.39673 8 h after light 0.833214 0.26207 1.36654 12 h after light 1.0409183333333334 0.636019 1.53396 4 h after dark 1.76163 1.05247 2.35856 8 h after dark 2.9988366666666666 2.35532 3.36624 12 h after dark 2.9530433333333335 1.97245 3.66393