condition mean min max 4 h after light 14.869509 14.699545 15.039473 8 h after light 15.138827500000001 14.699545 15.57811 12 h after light 12.664677 12.463999 12.865355 4 h after dark 16.942826 14.984206 18.901446 8 h after dark 16.499844500000002 16.38953 16.610159 12 h after dark 14.984206 14.984206 14.984206