condition mean min max 2 h after light 0.3919013333333333 0.204445 0.559253 6 h after light 0.43693133333333334 0.266273 0.66044 10 h after light 0.7442873333333333 0.33509 1.4086 14 h after light 0.6172978333333333 0.368086 0.929367 18 h after light 1.0315505 0.718429 1.6122 2 h after dark 0.6316634999999999 0.286178 0.907534