condition mean min max 4 h after light 11.350076 10.977027 11.723125 8 h after light 12.7992055 10.85507 14.743341 12 h after light 11.8023205 10.539998 13.064643 4 h after dark 12.722466 12.068203 13.376729 8 h after dark 11.459665000000001 11.196205 11.723125 12 h after dark 7.851406 7.851406 7.851406