Temperature and dewpoint data for Cut Bank, MT:

     The high temperature for 12/21/2017 was  27 degrees,
     The low temperature was  -8 degrees,
     and the average temperature was  13 degrees.

     Here is a table of Cut Bank's temp and dewpoint data for 12/21/2017:

     TIME (local time)     Temperature     Dewpoint
          0:00                -4.0 F        -7.1 F
          1:00                -5.1 F        -8.0 F
          2:00                -8.0 F       -11.0 F
          3:00                -6.0 F        -9.9 F
          4:00                -6.0 F        -9.9 F
          5:00                -7.1 F       -11.0 F
          6:00                -8.0 F       -13.0 F
          7:00                -2.9 F        -6.0 F
          8:00                14.0 F         9.0 F
          9:00                19.9 F        12.9 F
         10:00                23.0 F        15.1 F
         11:00                25.0 F        17.1 F
         12:00                26.1 F        18.0 F
         13:00                26.1 F        19.9 F
         14:00                26.1 F        21.0 F
         15:00                27.0 F        21.0 F
         16:00                26.1 F        19.9 F
         17:00                26.1 F        19.0 F
         18:00                24.1 F        17.1 F
         19:00                19.0 F        17.1 F
         20:00                19.0 F        17.1 F
         21:00                19.0 F        17.1 F
         22:00                19.0 F        16.0 F
         23:00                19.0 F        17.1 F