condition mean min max 4 h after light 2251.663889 1933.04 2465.916667 8 h after light 3062.2744446666666 2263.906667 3675.496667 12 h after light 3790.671111 2971.76 4333.72 1.5 h after dark 3918.811111 3692.273333 4165.286667 5.5 h after dark 2901.0555553333334 2795.163333 3078.71 9.5 h after dark 3091.05 3077.88 3108.363333