condition mean min max 3 h after light 0.2937496666666667 0.206342 0.369643 6 h after light 0.338132 0.162355 0.544445 9 h after light 0.322144 0.255852 0.406481 12 h after light 0.385619 0.263729 0.554271 3 h after dark 0.062342 0.0 0.187026 6 h after dark 0.34148666666666666 0.222874 0.532716 9 h after dark 0.660231 0.429999 0.798568 12 h after dark 0.8189943333333334 0.740071 0.881309