Assess the level of anger present in the following tweet: "@SouthernRailUK delays from Streatham Cmn to Clap Junc &amp; now train took 20 mins for 9 mins journey. Missed 2 trains to Reading #fuming". Provide a real number between 0 and 1, with 0 representing the least intensity and 1 representing the highest intensity.
0.628