condition mean min max 4 h after light 0.7019673333333334 0.270312 1.51173 8 h after light 1.430427 0.262621 2.64037 12 h after light 1.11636 0.73431 1.48464 4 h after dark 2.1589099999999997 1.35055 2.61507 8 h after dark 1.297177 0.618109 2.34969 12 h after dark 0.5300333333333334 0.302443 0.811891