condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.16606753333333332 0.0829776 0.29755 12 h after light 0.17676166666666668 0.129143 0.205578 4 h after dark 0.06977123333333334 0.0 0.137221 8 h after dark 0.07206800000000001 0.0 0.216204 12 h after dark 0.060617000000000004 0.0 0.181851