For a particular cell in the visual system, the pattern of retinal stimulation that most effectively causes the cell to fire. For some cells, this pattern is defined simply in terms of a retinal location; for others, the most effective input has a particular shpae, color, or direction of motion. feature detectors.
Cancun in February. Cancun weather in February is pretty hot with temperatures of 25Â° and 25Â° degrees, might be good for outdoors activity. As it almost never rains in Cancun at February, it is good weather for hanging outside and exploring Cancun.
February, March and April bring the year's driest weather to Cancun, with averages of just 5 days and 1.6 inches (42 millimetres) of rain a month. The monthly rainfall becomes heaviest during fall, averaging out to 14 days totalling 7.8 inches (198 mm) a month. Usually October is Cancun's rainiest time of year.