NEW YORK (AP) — The Baltimore Ravens' victory over the San Francisco 49ers has set a record for highest overnight ratings in Super Bowl history, the Nielsen company reported Monday.

Nielsen reported the game scored a 48.1 rating and 71 share in its select measurement of big cities. That's 1 percent over a similar measurement in last year's game.

For three years in a row, the Super Bowl has set a new record for most-watched event in U.S. television history. Nielsen is expected to have an estimate of how many people watched the game later on Monday.

One ratings point represents 1,147,000 households, or 1 percent of the nation's estimated 114.7 million TV homes. The share means that 71 percent of TVs that were on at the time were tuned to the Super Bowl.

At CBS' request, that ratings figure did not include a 30-minute period when there was a partial power outage in the Superdome. During that period, the metered market rating was 46.5, nearly two full points behind the 45-minute period directly before it.

The network also drew criticism by the Parents Television Council for not moving quickly enough to edit out a profanity said by Ravens quarterback Joe Flacco shortly after the game. Flacco was caught by microphones describing his team's victory as "f------ awesome."

The game also illustrated the explosive growth of second screen activity. The company Trendrr TV, which tracks activity on Twitter, Facebook and other social networks, estimated there were 47.7 million social media posts during the game. That compares to 17 million during the 2012 Super Bowl and 3 million the year before that.

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  • Eye On The Prize

    The Vince Lombardi trophy is displayed before and San Francisco 49ers head coach Jim Harbaugh and Baltimore Ravens head coach John Harbaugh participate in a news conference for the NFL Super Bowl XLVII football game Friday, Feb. 1, 2013, in New Orleans. (AP Photo/Patrick Semansky)

  • Brotherly Love

    San Francisco 49ers head coach Jim Harbaugh, left, stands with his brother Baltimore Ravens head coach John Harbaugh before the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gene Puskar)

  • Coin Toss

    NEW ORLEANS, LA - FEBRUARY 03: Players from the San Francisco 49ers and the Baltimore Ravens stand on the NFL logo for the opening coin toss during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)

  • Baltimore 7, San Francisco 0

    Anquan Boldin #81 of the Baltimore Ravens catches a 13-yard touchdown pass in the first quarter over Donte Whitner #31 of the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Jamie Squire/Getty Images)

  • Baltimore 7, San Francisco 3

    David Akers #2 of the San Francisco 49ers kicks a successful 36-yard field goal attempt in the first quarter against the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Harry How/Getty Images)

  • Boldin's Bold Move

    Baltimore Ravens wide receiver Anquan Boldin (81) makes a 31-yard sideline catch against San Francisco 49ers defensive back Chris Culliver (29) during the first half of NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Elaine Thompson)

  • Defensive Intensity

    Baltimore Ravens defensive end Arthur Jones (97) celebrates after recovering a fumble by San Francisco 49ers running back LaMichael James during the first half of NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Elaine Thompson)

  • Baltimore 14, San Francisco 3

    Baltimore Ravens tight end Dennis Pitta (88) celebrates his 1-yard touchdown reception with center Matt Birk (77) against the San Francisco 49ers during the first half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gerald Herbert)

  • Baltimore 21, San Francisco 3

    Baltimore Ravens wide receiver Jacoby Jones (12) catches a 56-yard touchdown pass during the first half of the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/David Goldman)

  • Reed-ing The Play

    Baltimore Ravens safety Ed Reed (20) returns an interception on a pass from San Francisco 49ers quarterback Colin Kaepernick in front of tight end Vernon Davis (85) during the first half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Elise Amendola)

  • Fake Field Goal Gone Wrong

    Baltimore Ravens kicker Justin Tucker (9) runs on a fake field goal during the first half of the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Tim Donnelly)

  • Baltimore 21, San Francisco 6

    San Francisco 49ers kicker David Akers (2) makes a 27-yard field goal during the first half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

  • Baltimore 28, San Francisco 6

    NEW ORLEANS, LA - FEBRUARY 03: Jacoby Jones #12 of the Baltimore Ravens runs back a 108-yard kickoff return for a touchdown in the third quarter against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Ezra Shaw/Getty Images)

  • Lights Out

    A power outage affects about half the lights in the Superdome during the second half of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Dave Martin)

  • Waiting Game

    The San Francisco 49ers sit on the bench during a power outage in the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

  • Concerned Faces

    Baltimore Ravens quarterback Joe Flacco (5), wide receiver Jacoby Jones (12) and linebacker Adrian Hamilton (54) watch the field during a power outage at the Superdome in the second half of the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Elaine Thompson)

  • Baltimore 28, San Francisco 13

    San Francisco 49ers wide receiver Michael Crabtree (15) reacts after scoring a 31-yard touchdown during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

  • Baltimore 28, San Francisco 20

    San Francisco 49ers running back Frank Gore, left, scores past Baltimore Ravens safety Ed Reed during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Marcio Sanchez)

  • Defense Wins Championships

    San Francisco 49ers cornerback Tarell Brown (25) recovers a fumble by Baltimore Ravens running back Ray Rice (27) during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Evan Vucci)

  • Baltimore 28, San Francisco 23

    NEW ORLEANS, LA - FEBRUARY 03: David Akers #2 of the San Francisco 49ers holds his left leg as he walks off of the field in the third quarter against the Baltimore Ravens during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. After missing a field goal but being bailed out by a running-into-the-kicker penality, Akers made a 34-yard field goal on the second try. (Photo by Ronald Martinez/Getty Images)

  • Baltimore 31, San Francisco 23

    Baltimore Ravens kicker Justin Tucker (9) makes a field goal against the San Francisco 49ers during the second half of the NFL Super Bowl XLVII football game, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/David J. Phillip)

  • Baltimore 31, San Francisco 29

    San Francisco 49ers quarterback Colin Kaepernick (7) scrambles during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. Kaepernick ran for a QB Super Bowl record 15-yard touchdown run, but the two-point conversion failed. (AP Photo/Evan Vucci)

  • Baltimore 34, San Francisco 29

    Baltimore Ravens kicker Justin Tucker, right, makes a 38-yard field goal during the second half of the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Matt Slocum)

  • No Flag

    San Francisco 49ers head coach Jim Harbaugh protests a non-call by the officials after a fourth down play during the second half of the NFL Super Bowl XLVII football game against the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gene Puskar)

  • Baltimore 34, San Francisco 31

    NEW ORLEANS, LA - FEBRUARY 03: Punter Sam Koch #4 of the Baltimore Ravens holds the ball in the endzone as he takes a safety in the final minute of the fourth quarter against Chris Culliver #29 of the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Rob Carr/Getty Images)

  • On Pins And Needles

    Baltimore Ravens head coach John Harbaugh watches the final play of the NFL Super Bowl XLVII football game against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. The Ravens won 34-31. (AP Photo/Charlie Riedel)

  • A Super Celebration

    Streamers and confetti fall after the Baltimore Ravens won the NFL Super Bowl XLVII football game 34-31 against the San Francisco 49ers, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Charlie Riedel)

  • Super Bowl MVP: Joe Flacco

    NEW ORLEANS, LA - FEBRUARY 03: Joe Flacco #5 of the Baltimore Ravens is lifted up by his teammates as they celebrate after they won 34-31 against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Win McNamee/Getty Images)

  • Heart Of A Champion

    NEW ORLEANS, LA - FEBRUARY 03: Ray Lewis #52 of the Baltimore Ravens celebrates on the trophy podium after defeating the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. The Ravens defeated the 49ers 34-31. (Photo by Mike Ehrmann/Getty Images)

  • The Lombardi Trophy

    NEW ORLEANS, LA - FEBRUARY 03: Head coach John Harbaugh of the Baltimore Ravens holds the VInce Lombardi trophy as CBS announcer Jim Nantz looks on after the Ravens won 34-31 against the San Francisco 49ers during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Christian Petersen/Getty Images)

  • Celebration

    Ed Reed #20 and Ray Lewis #52 of the Baltimore Ravens celebrate after defeating the San Francisco 49ers as CBS Host Jim Nantz looks on during Super Bowl XLVII at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. The Ravens defeated the 49ers 34-31. (Photo by Jamie Squire/Getty Images)