condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0481158 0.0473243 0.0489073 8 h after light 0.07191755 0.04886 0.0949751 4 h after dark 0.0235705 0.0 0.047141 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0