condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03627125 0.0 0.0725425 12 h after light 0.07694994999999999 0.0661522 0.0877477 4 h after dark 0.2325345 0.175968 0.289101 8 h after dark 0.187319 0.144877 0.229761 12 h after dark 0.0 0.0 0.0