Several types of cells in the immune system engulf microorganisms via phagocytosis. 1  Neutrophils. 2  Neutrophils are abundant in the blood, quickly enter tissues, and phagocytize pathogens in acute inflammation. 3  Macrophages. 4  Macrophages are closely related to monocytes in the blood.
Snowfall in Flagstaff ranged from 5 inches to 9 inches, with 8.6 inches at Flagstaff Pulliam Airport. Official record-keeping on Flagstaff's weather began on September 9, 1898, and a 30-year period ending in 2000 has been used in the last decade to determine what is average weather-wise.
More recently, D.C. has seen a foot or more snow in one calendar day in January 1996 (16.4 inches), February 2003 (13.3 inches), and December 2009 (15.0 inches). Other big time storms, like Snowmageddon, dispersed their snow blanket across midnight hours, so they donât all rank as highly on a single-day basis.