The lowest temperature measured during that time was 0 degrees Fahrenheit (-18 Celsius) on January 31, 1949.
The mountain itself, at an elevation of 5,725 feet
The y intercept is -3
To be exacts the ordered pair is (0, -3)
The form that the equation is in right now is
Y = mx + b
B is the y intercept always so in this case -3 is the answer