(some amount) below

(some amount) below

Some amount below zero degrees (Fahrenheit, Celsius, etc.) in temperature. I heard it's supposed to go down to 30 below tonight!
See also: below
Farlex Dictionary of Idioms.

*below someone or something

positioned under or lower than someone or something. (*Typically: be ~; lie ~; sink ~; sit ~.) The sun is below the horizon. The swimming hole is below the dam.

below someone

ranking below someone. I am below Terri, but my scores are better than Carol's. I am below everyone in the class.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • below
  • go below
  • below average
  • drop below
  • drop below (something)
  • be below par
  • be below/under par
  • fall below
  • fall below (something)
  • take below