condition mean min max 4 h after light 1.338585 1.00385 1.67332 8 h after light 1.2291085 0.900457 1.55776 12 h after light 0.6930164999999999 0.652183 0.73385 4 h after dark 0.889119 0.467217 1.32783 8 h after dark 1.52994 1.03491 1.81091 12 h after dark 0.9492016666666666 0.665395 1.17407