condition mean min max 2 h after light 1.345535 1.23207 1.56961 6 h after light 1.1229575 0.598492 1.4921 10 h after light 0.5930664999999999 0.336565 0.819132 14 h after light 0.6351333333333333 0.346359 0.878051 18 h after light 0.8971195 0.762018 1.01836 2 h after dark 0.4491915 0.308512 0.589242