condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.008312133333333334 0.0 0.0249364 9 h after light 0.007668066666666667 0.0 0.0230042 12 h after light 0.0 0.0 0.0 3 h after dark 0.009719133333333333 0.0 0.0291574 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0112413 0.0 0.0224826