condition mean min max 3 h after light 7.718536666666667 5.64225 9.60396 6 h after light 6.601623333333333 5.74142 7.30326 9 h after light 7.6021 6.46985 9.70102 12 h after light 8.6666825 5.8206 16.287 3 h after dark 13.184099999999999 11.8905 15.6367 6 h after dark 14.263733333333334 14.1135 14.4745 9 h after dark 16.2545 13.9462 17.4669 12 h after dark 17.9738 17.6627 18.2849