condition mean min max 4 h after light 5.14044 5.059159999999999 5.2665 8 h after light 5.0534 4.98508 5.13641 12 h after light 4.95085 4.94108 4.95995 4 h after dark 5.026726666666667 4.97564 5.05644 8 h after dark 5.043643333333334 4.93565 5.16178 12 h after dark 5.089683333333333 5.0023 5.22052