condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.317593 0.0 0.952779 9 h after light 0.0 0.0 0.0 12 h after light 0.20512233333333332 0.0 0.615367 3 h after dark 0.0 0.0 0.0 6 h after dark 0.310751 0.0 0.932253 9 h after dark 0.0 0.0 0.0 12 h after dark 0.17136566666666667 0.0 0.514097