condition mean min max 0 h after light 0.032892 0.0 0.065784 2 h after light 0.0 0.0 0.0 4 h after light 0.0454723 0.031045 0.0598996 8 h after light 0.0786455 0.031554 0.125737 12 h after light 0.0348768 0.0 0.0697536 2 h after dark 0.03282775 0.0314557 0.0341998 4 h after dark 0.0146831 0.0 0.0293662 8 h after dark 0.0675072 0.0662823 0.0687321 12 h after dark 0.0646051 0.0313664 0.0978438