condition mean min max 3 h after light 0.009780233333333334 0.0 0.0293407 6 h after light 0.0088513 0.0 0.0265539 9 h after light 0.0087679 0.0 0.0263037 12 h after light 0.026015575 0.0 0.054767 3 h after dark 0.010070766666666666 0.0 0.0302123 6 h after dark 0.0318115 0.0 0.0522032 9 h after dark 0.016570366666666666 0.0 0.0275155 12 h after dark 0.01164855 0.0 0.0232971