What is the geometric shape of the football? The proper mathematical object is the complex projective space CP1 quotiented out by the group action of Z mod 2 i.e. (CP^1)/(Zmod2)=CP^1/(+-1) Taking the Riemann Sphere, we â¦ identify antipodal points.
The average winter snowfall in Durango is about 70 inches per year, but the surrounding ski areas can reach upwards of 400 inches. Expect over 300 days of sunny, blue skies. Summer high temperatures are typically in the 80 degree Fahrenheit range and rarely exceed 90 degrees. Average rainfall is about 20 inches per year.
Durango Average Weather. 1  In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used. 2  In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.