condition mean min max 2 h after light 0.6511750000000001 0.23045 1.16327 6 h after light 0.48457700000000004 0.0 0.952511 10 h after light 0.5648205 0.0 1.54017 14 h after light 0.7579168333333334 0.243703 1.62412 18 h after light 1.3005806666666666 0.966414 1.59522 2 h after dark 1.139898 0.373966 2.25628