condition mean min max 0 h after light 0.1175015 0.0 0.235003 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.057598 0.0 0.115196 8 h after dark 0.058246 0.0 0.116492 12 h after dark 0.174426 0.114583 0.234269