condition mean min max 4 h after light 3.302245 2.74803 3.85646 8 h after light 4.39218 4.23134 4.55302 12 h after light 4.34094 3.86402 4.81786 4 h after dark 3.9958466666666665 3.90753 4.04629 8 h after dark 4.050283333333333 3.549 4.30398 12 h after dark 3.1589 2.98065 3.51244