Seeing the list of stations planned for the Second Avenue line reminds me that the Lexington Avenue station spacing can be used to convert F degrees to C degrees. 96th st (actually 95) = 35C. 86th st = 30C. 77th st = 25C. 68th st = 20C. 59th = 15C. 51st (actually 50) = 10C. 42nd (actually 41) = 5C. 33rd (actually 32) = 0C. skip 28th st. 23rd st = -5C. 14th st = -10C. Much better than that stupid formula that nobody can remember.
Fred R