It was a vial win for the Millers and on the back of the impressive result at Leeds last week, optimism is on the up.
Here is a numerical analysis of the win.
-12- The number the Millers' goal difference now stands on after it was slashed by 20 per cent, no longer the worst in the division.
1 - The number of times the Millers have now been winning at half-time under Neil Redfearn.
1 - The number of points the Millers are now from safety after cutting the gap by four in the last two games.
2 - The number of times the Millers have taken the lead at home, both times resulting in wins.
2 - The number of changes Redfearn made to his side, with Danny Ward and Danny Collins coming into the starting XI.
3 - The number of goals the Millers have scored in the opening 15 minutes of matches this season.
3 - The number of times the Millers have been winning at half-time after they scored two goals in the first half for the first time since beating Bolton in January.
3 - The number of penalties the Millers have been awarded so far this season, already more than last year.
3 - The number of consecutive wins the Millers have registered against Bristol City.
4 - The number of wins the Millers have registered this season, the same number as this time last year.
4 - The number of shots Jonson Clarke-Harris had throughout the 90 minutes, three of them finding the target.
4 - The number of clean sheets the Millers have registered this season.
5 - The number of clearances Danny Collins - playing at left-back - produced in the 90 minutes, more than any other Miller.
5 - The number of goals Clarke-Harris has scored so far this season.
6 - The number of home games that the Millers are unbeaten against Bristol City, going back to 1995.
7 - The number of points Redfearn has taken from eight games in charge, five better than Steve Evans' first eight games this season.
7 - The number of times the Millers have taken the lead this season after Clarke-Harris' 10th-minute opener.
10 - The number of shots a dangerous Bristol City had on goal throughout the 90 minutes, just two testing Lee Camp.
12 - The number of shots the Millers had on their visitors' goal throughout the 90 minutes, five of them finding the target.
12 -The number of different players to have scored for the Millers this season after Lee Frecklington notched his first of the season.
21 - The number of goals the Millers have scored this season from their 18 games.
30 - The number of different players the Millers have used this season after Luke Hyam made his debut from the bench in the second half.
So proud of lads! Amazing performance!🙌🏼⚽️ #rufc pic.twitter.com/FHYTMOhVsP— Megan Walker (@Megan_RUFC) November 28, 2015
45 - The number of games since the Millers last kept back-to-back clean sheets in the Championship, going back to last December.
58 - The number of touches for Millers man of the match Clarke-Harris, more than anyone else in a red and white shirt.
71 - The number of days between the Millers' last home win against Cardiff and their demolition of Bristol City.
111 - The number of Championship matches since Rotherham won last by three goals, going back to the 3-0 win over Burnley in 2004.
198 - The number of minutes since the Millers defence was last breached, in the 72nd minute of that horror show against Ipswich.
236 - The number of total minutes the Millers have been in front this season, which is more than Leeds and QPR.
909 - The number of minutes between Clarke-Harris' goal at Brighton and his next strike - the opener against the Robins.
