5-16-11<records set in 1971 may not be included>
Highest batting average: .441 - Bob Schmidt, Duluth 1939
Most at bats (season): 545 - Billy Bruton, Eau Claire 1950
- Mitch June, Fargo-Moorhead 1955
Most at bats (short season): 298 - Jim Mueller, Duluth-Superior 1969
- Milt Ramirez, Aberdeen 1969
Most at bats (game): 8 - Len Ellison, Winnipeg, 8-16-33
- Tony Koening, Sioux Falls, 5-24-46
Most runs scored (season): 154 - Cal Lehman, Jamestown 1936
Most runs scored (short season): 74 - Dan Rourke, Duluth-Superior 1970
Most runs scored (game): 6 - Ernie Olson, Jamestown 7-4-36
- Ray Rolf, Superior 6-4-41
- Ross Horning, Sioux Falls 5-24-46
Most Hits (season): 194 - Bob Schmidt, Duluth-Superior 1939
Most Hits (short season): 104 - Jim Mueller, Duluth-Superior 1969
Most Hits (game): 7 - Hank Majeski, Eau Claire 8-7-36
Longest hitting streak: 32 games - Bob Schmidt, Duluth 7-28 through 8-27-39
Most extra base hits (season): 87 - Cal Lehman, Jamestown 1936 (30,9,48)
- Frank Gravino, Fargo-Moorhead 1953 (23,12,52)
Most extra base hits (short season): 34 - Steve Brye, St. Cloud 1967 (16,5,13)
Most extra base hits (game): 4 - many players
Most total bases (season): 374 - Cal Lehman, Jamestown 1936
Most total bases (short season): 150 - Jim Williams, Aberdeen 1966
Most singles (season): 154 - Al Billingsley, Grand Forks 1949
Most singles (short season): 83 - Jim Mueller, Duluth-Superior 1969
Most singles (game): 6 - George Jansco, Fargo-Moorhead 7-20-34
Most doubles (season): 43 - Morrie Arnovich, Superior 1934
Most doubles (short season): 19 - Jim Williams, Aberdeen 1966
- Bob Matson, Huron 1970
Most doubles (game): 4 - Gus Koch, Fargo-Moorhead 6-2-35
- Bob McDonald, Superior 7-28-47
- Rich LaFaive, St. Cloud 7-15-47
- Manny Jiminez, Eau Claire 7-2-58
Most triples (season): 20 - Bob Latshaw, Crookston 1936
- Bill Polubiatke, Sioux Falls 1947
Most triples (game): 3 - many players
Most home runs (season): 56 - Frank Gravino, Fargo-Moorhead 1954
Most home runs (short season): 17 - Jim Stafford, Aberdeen 1970
Most home runs (game): 4 - Mel Wasley, Duluth 8-13-38
Most home runs (inning): 2 - Dan Crothers, Huron 7-23-65
Most RBI (season): 174 - Frank Gravino, Fargo-Moorhead 1953
Most RBI (short season): 71 - Dennis Silvey, Aberdeen 1971
Most RBI (game): 9 - Phil Seghi, Winnipeg 7-4-35
- Lyle Thompson, Duluth 7-4-37
- Milford Wildenauer, Superior 7-6-37
- Harry Hannebrink, Eau Claire 8-17-48
- Dave Nicholson, Aberdeen 5-25-59
Most sacrifices (season): 32 - John Schenck, Fargo-Moorehead, 1946
Most sacrifices (game): 3 - many players
Most stolen bases (season): 66 - Billy Bruton, Eau Claire 1950
Most stolen bases (short season): 43 - Pat Bekeza, St. Cloud 1969
Most stolen bases (game): 5 - John Dzuiro, Eau Claire 8-22-38
- Don Anderson, Eau Claire 9-7-41
- Charlie Ferrante, Aberdeen 5-18-52
- Pat Bekeza, St. Cloud 9-6-70
Most walks (season): 137 - Vince LaSala, St. Cloud 1951
Most walks (short season): 64 - Cliff Mathew, Aberdeen 1966
Most walks (game): 6 - Billy Strange, Aberdeen 5-30-53
Most walks (x-inning game): 7 - Al Nordgren, Superior 7-13-51 (11 inn.)
Most IBB (season): 19 - Jim Rouse, Aberdeen 1963
Most IBB (game): 2 - many players
Most strike outs (season): 153 - Gil Carter, St. Cloud 1960
Most strike outs (short season): 97 - Jim Cartlidge, Sioux Falls 1965
Most strike outs (game): 5 - many players
Fewest strike outs (100 or more games): 6 - Bob Ries, Eau Claire (124 g) 1949
Most consecutive games /w no strike outs: 85 - Bob Ries, Eau Claire 6-7 through 8-30-49
Most times hit by pitch (season): 21 - Billy Joe Dashner, Fargo-Moorhead 1955
Most times hit by pitch (game): 4 - Walt Long, Superior 6-2-40
Highest fielding percentage - firstbaseman: .994 - Al Kubski, Sioux Falls 1952
Most errors - firstbaseman (season): 40 - Merton Wolf, Crookston 1938
- Donn Clendenon, Grand Forks 1958
Most errors - firstbaseman (short season): 19 - Jim Stafford, Aberdeen 1970
Most errors - firstbaseman (game): 4 - Elmer Johnson, Crookston on 8-9-36
- Ray Congour, Fargo-Moorhead on 7-26-42
Highest fielding percentage - secondbaseman: .984 - Bob Litchfield, Aberdeen 1964
Most chances accepted - secondbaseman: (season) - 787 - Al Billingsley, Grand Forks 1949
Most chances accepted - secondbaseman: (short season) - 384 - John Cox, Duluth-Super 1967
Most errors - secondbaseman (season): 53 - Bob Burrichter, Duluth 1949
Most errors - secondbaseman (short season): 32 - Brent Nickoloff, Aberdeen 1967
Most errors - secondbaseman (game): 5 - Bill Bowman, Superior on 7-8-41
Highest fielding percentage - thirdbaseman: .973 - Phil Seghi, Winnipeg 1935
Most chances accepted - thirdbaseman (season): 468 - Luis Garcia, Aberdeen 1952
Most chances accepted - thirdbaseman (short season): 241 - Terry Clapp, Aberdeen 1970
Most errors - thirdbaseman (season): 76 - Tony Dercole, Fargo-Moorhead 1947
Most errors - thirdbaseman (short season): 32 - Terry Clapp, Aberdeen 1970
Most errors - thirdbaseman (game): 6 - Bruce Schubele, Grand Forks on 9-5-55
Highest fielding percentage - shortstop: .971 - Ray Oyler, Duluth-Superior 1961
Most chances accepted - shortstop (season): 693 - Bill Hain, Aberdeen 1954
Most chances accepted - shortstop (short season): 304 - Danny Thompson, St. Cloud 1968
Most errors - shortstop (season): 82 - Stan Szurman, Eau Claire 1947
Most errors - shortstop (short season): 37 - Rich Hemelstrand, Aberdeen 1967
Most errors - shortstop (game): 6 - Chuck Nagel, Grand Forks on 5-27-47
Highest fielding percentage - outfield: .9950 - Jack Whipple, Fargo-Moorhead 1938
.9945 - Art Clessuras, Duluth-Superior 1960
Most chances accepted - outfield (season): 347 - Billy Bruton, Eau Claire, 1950
Most chances accepted - outfield (short season): 160 - Pat Bekeza, St. Cloud 1969
Most errors - outfield (season): 21 - Bill Polubiatka, Sioux Falls 1947
- George Wilson, Duluth 1949
Most errors - outfield (short season): 11 - Craig Kusick, St. Cloud 1970
Most errors - outfield (game): 3 - many players
Highest fielding percentage - catcher: .997 - Mike Compton, Huron 1965
.995 - George Farson, Aberdeen 1964
Most errors - catcher (season): 31 - Bob Siesmer, Superior 1948
Most errors - catcher (short season): 14 - Mike Sadek, St. Cloud 1967
- Ron Davini, Duluth-Superior 1969
Most errors - catcher (game): 4 - Ed Ryan, Eau Claire on 9-2-57
- Ray Oliver, Winnipeg on 6-24-62
Highest win/lost percentage (season): .933 - Eddie Watt, Aberdeen (14-1) 1964
Lowest ERA (season): 1.15 - Gaston Holland, Grand Forks 1966
1.29 - Danny Horton, Grand Forks 1940
Most wins (season): 25 - Milt Goemer, Grand Forks 1948
Most wins (short season): 12 - Steve Christopher, St. Cloud 1967
Most consecutive wins (season): 15 - Lloyd Sterling, Winnipeg 5-13 through 7-25-35
Most consecutive wins (short season): 9 - Dale Harrington, Watertown 7-10 through 8-26-70
Most losses (season): 20 - Glenn Brickey, Superior 1953
Most losses (short season): 10 - Will McEnaney, Sioux Falls 1970
Most consecutive losses (season): 12 - Al Henning, Eau Claire 5-15 through 7-28-38
Most consecutive losses (short season): 8 - Marcus Rhaney, Duluth-Superior 7-11 through 9-1-67
Most complete games (season): 26 - Joe Hatten, Crookston 1939
Most complete games (short season): 12 - Dave Langrock, Duluth-Superior 1965
- Buzz Stephen, St. Cloud 1966
- Dave Goltz, St. Cloud 1968
Most relief appearances (season): 58 - Will Harvey, St. Cloud 1963
Most relief appearances (short season): 30 - Frank Chambers, Duluth-Superior 1967
Most innings pitched (season): 292 - Otto Davis, Brandon 1933
Most innings pitched (short season): 126 - Duluth-Superior 1965
Most innings pitched (game): 17 2/3 - John Brandreth, Eau Claire v. Superior on 9-1-53 (lost 3-2)
Most hits allowed (season): 334 - Justin Ray, Superior 1936
Most hits allowed (short season): 121 - Ray Strable, St. Cloud 1969
Most hits allowed (game): 23 - Jim Gravin, Brainerd v. Fargo-Moor. on 6-22-35
- Wes Cummings, Winnipeg v. Wausau on 6-11-40
Most runs allowed (season): 221 - Justin Ray, Superior 1936
Most runs allowed (short season): 69 - Bill Grimes, Aberdeen 1967
Most runs allowed (game): 21 - Gil Bruhn, Wausau v. Crookston on 8-23-36
- Ray Fletcher, Grand Forks v. Winnipeg on 9-5-55
Most home runs allowed (season): 27 - Gary Willison, Winnipeg 1958
Most home runs allowed (short season): 10 - Don Roth, Aberdeen 1968
- Bob Weisenberg, St. Cloud 1968
- Doug Bird, Winnipeg 1969
Most home runs allowed (game): 6 - Herb Fleischer, Fargo-Moorehead v. Aberdeen 5-4-52
Most walks allowed (season): 175 - Chet Dickey, Grand Forks, 1954
Most walks allowed (short season): 80 - Bill Seifert, Duluth-Superior 1965
Most walks allowed (game): 17 - Tom Rea, Sioux Falls on 6-12-53
Most strikeouts (season): 304 - Hugh Orphan, Wausau 1940
Most strikeouts (short season): 174 - Bob Castiglione, St. Cloud 1966
Most strikeouts (game): 21 - Joe Hatten, Crookston v. Superior on 5-17-39
- Steve Dalkowski, Aberdeen v. Grand Forks on 5-17-59
Most hit batsmen (season): 31 - Clarence Lemmer & Hugh Orphan, Wausau 1940
Most hit batsmen (short season): 13 - Buzz Stephen, St. Cloud 1966
Most hit batsmen (game): 5 - John Drake, Duluth-Superior v. Minot on 5-16-60
Most wild pitches (season): 31 - Hal Gilson, St. Cloud 1962
- Tom Phoebus, Aberdeen 1962
Most wild pitches (short season): 18 - Jerry Baker, Aberdeen 1965
- Ken Reynolds, Huron 1966
Most wild pitches (game): 11 - Tom Rea, Sioux Falls v. Duluth on 6-12-53
Most consecutive shutout innings (season): 43 2/3 - Art Dyck, Grand Forks 8-2 thru 8-18-48
Most consecutive innings w/o a walk: 30 - Ray Strable, St. Cloud 7-29 through 8-12-69
League No-hitters [date, pitcher, team, opp., score, innings]
| 1933-08-08 | Roman Bertrand | Brandon | v. | Fargo-Moorhead | 2-0 | 9 |
| 1936-05-25 | Bill Burr | Winnipeg | Eau Claire | 8-0 | 9 | |
| 1937-08-08 | Ralph Waldo | Duluth | Jamestown | 4-0 | ||
| 1937-09-06 | Hank Miklos | Winnipeg | Fargo-Moorhead | 6-0 | ||
| 1938-07-13 | Carl Lehman | Wausau | Fargo-Moorhead | |||
| 1938-08-07 | Harry Cohick | Superior | Winnipeg | 4-0 | 7 | |
| 1939-06-17 | George Shoenecker | Grand Forks | Crookston | 1-0 | 11 | |
| 1940-07-20 | Karl Wolfberger | Grand Forks | Superior | 3-0 | 9 | |
| 1940-07-23 | Del Leslie | Fargo-Moorhead | Eau Claire | 1-0 | 7 | |
| 1940-09-02 | Joe Shroba | Duluth | Superior | 4-0 | 7 | |
| 1941-08-05 | James Schantel | Fargo-Moorhead | Grand Forks | 10-0 | 9 | |
| 1941-08-26 | Frank Mottley | Duluth | Grand Forks | 7-0 | 7 | |
| 1946-08-04 | Ted Novak | Grand Forks | Duluth | 3-0 | 9 | |
| 1948-08-07 | Toby Tobias | Grand Forks | Eau Claire | 1-0 | 9 | |
| 1948-08-17 | Toby Tobias | Grand Forks | Duluth | 10-0 | ||
| 1948-09-04 | Ken Vangilder | St. Cloud | Superior | 1-0 | 10 | |
| 1949-06-18 | Herm Miller | Duluth | St. Cloud | 4-0 | 7 | |
| 1949-06-26 | Don Harris | Aberdeen | Fargo-Moorhead | 3-1 | 6 | |
| 1950-07-16 | Richard Crichton | Grand Forks | St. Cloud | 2-0 | 7 | |
| 1952-05-18 | Gideon Applegate | Superior | Sioux Falls | 3-0 | 9 | |
| 1952-06-16 | Gideon Applegate | Superior | St. Cloud | 9-0 | 7 | |
| 1952-08-13 | Don Elston | Sioux Falls | Grand Forks | 5-0 | 7 | |
| 1952-08-28 | Gordon Roach | Eau Claire | Aberdeen | 10-1 | 7 | |
| 1954-06-29 | Chester Dickey | Grand Forks | St. Cloud | 2-0 | 7 | |
| 1955-05-29 | John Zarcone | St. Cloud | Aberdeen | 13-0 | 9 | |
| 1955-07-27 | Frank Funk | St. Cloud | Superior | 1-0 | 7 | |
| 1956-07-22 | John Lutz | Eau Claire | Winnipeg | 5-0 | 7 | |
| 1956-08-08 | Jack Kralick | Duluth-Superior | Fargo-Moorhead | 5-0 | 7 | |
| 1957-05-03 | David Tyriver | Fargo-Moorhead | Winnipeg | 2-0 | 9 | |
| 1957-06-07 | Albert McKinney/Joel Hoerner | Duluth-Superior | Winnipeg | 14-0 | 9 | |
| 1957-08-16 | Ross Carter | Eau Claire | Fargo-Moorhead | 0-1 | 8 | |
| 1958-06-30 | Octavio Acosta | Grand Forks | Winnipeg | 12-1 | 9 | |
| 1958-09-01 | Bruce Swango | Fargo-Moorhead | Minot | 8-0 | 9 | |
| 1959-05-17 | Steve Dalkowski | Aberdeen | Grand Forks | 6-0 | 9 | |
| 1959-08-12 | Dooley Womack | Fargo-Moorhead | Minot | 4-0 | 7 | |
| 1960-06-15 | Jerry Alford | Aberdeen | Eau Claire | 7-0 | 7 | |
| 1960-06-26 | Morrie Stevens | St. Cloud | Minot | 8-0 | 9 | |
| 1961-07-09 | Franklin Hodges | St. Cloud | Aberdeen | 1-0 | 7 | |
| 1962-07-12 | Mark Clarke | Aberdeen | Grand Forks | 0-1 | 9 | |
| 1962-08-01 | John Gregory | Duluth-Superior | Bismarck-Mandan | 2-0 | 7 | |
| 1963-05-28 | Howard Stethers | Aberdeen | Grand Forks | 6-0 | 7 | |
| 1963-08-29 | Dave Leonhard | Aberdeen | Winnipeg | 5-0 | 7 | |
| 1964-06-03 | Darrell Clark | Duluth-Superior | Bismarck-Mandan | 2-0 | 9 | |
| 1964-06-19 | Jim Palmer | Aberdeen | Duluth-Superiori | 8-0 | 9 | |
| 1964-07-09 | Rich Masterman | Winnipeg | St. Cloud | 2-0 | 7 | |
| 1965-08-15 | Ray Goodwin | Huron | Duluth-Superior | 0-1 | 10 | |
| 1965-08-17 | Ron Keller | St. Cloud | Aberdeen | 3-1 | 7 | |
| 1966-07-08 | George Wolger | Aberdeen | Huron | 1-0 | 9 | |
| 1966-07-15 | Richard Johnson/Thomas Beck | Huron | Bismarck-Mandan | 15-0 | 9 | |
| 1966-08-09 | Neil Boyle | Duluth-Superior | Sioux Falls | 0-1 | 8 | |
| 1966-09-02 | Ken Reynolds | Huron | Sioux Falls | 3-0 | 7 |
Highest team batting average: .305 - Superior 1934
Lowest team batting average: .213 - Grand Forks 1942
Most runs scored (season): 924 - Jamestown 1936
Fewest runs scored (season): 413 - Grand Forks 1942
Most runs scored (game): 35 - Winnipeg 8-16-33
Most runs scored by both teams (game): 54 - Winnipeg 35, Eau Claire 19 on 8-16-33
Largest shutout: 24-0 - Sioux Falls over Aberdeen on 5-30-52
Most runs given up (season): 967 - Grand Forks 1954
Fewest runs given up (season): 401 - Aberdeen 1964
Most hits (season): 1351 - Jamestown 1936
Most hits (game): 34 - Eau Claire on 8-3-36
Most hits by both teams: 49 - Winnipeg 30, Eau Claire 19 on 8-16-33
Fewest hits (season): 811 - Grand Forks 1942
Most extra base hits (season): 404 - Fargo-Moorhead (210,58,136) 1954
Most extra base hits (game): 15 - Winnipeg (7,3,5) on 8-16-33
Most extra base hits both teams: 23 - Winnipeg 15, Eau Claire 8 on 8-16-33
Most total bases (season): 2154 - Jamestown 1936
Most total bases (game): 62 - Aberdeen (9,1,1,12) on 5-4-52
Most total bases both teams: 92 - Winnipeg 58, Eau Claire 34 on 8-16-33
Most doubles (season): 261 - Winnipeg 1940
Most doubles (game): 9 - Grand Forks on 6-4-33
- Fargo-Moorhead on 6-2-35
Most doubles both teams: 15 - Fargo-Moorhead 9, Grand Forks 6 on 6-2-35
Most triples (season): 81 - Aberdeen 1947
Most triples (game): 7 - Brandon on 8-12-33
Most triples both teams: 8 - Brandon 7, Fargo-Moorhead, 1 on 8-12-33
- Eau Claire 6, Duluth 2 on 8-3-36
Most home runs (season): 173 - Jamestown 1936
Most home runs (game): 12 - Aberdeen on 5-4-52
Most home runs both teams: 15 - Aberdeen 12, Fargo-Moorhead 3, on 5-4-52
Most RBI (season): 819 - Fargo-Moorhead 1954
Fewest RBI (season): 349 - Grand Forks 1942
Most RBI (game): 25 - Superior on 5-25-47
Most RBI both teams: 37 - Superior 25, St. Cloud 12 on 5-25-47
Most stolen bases (season): 257 - Duluth 1934
Most stolen bases (game): 10 - St. Cloud on 9-6-70
Most stolen bases both teams: 14 - Duluth 9, Wausau 5 on 7-8-41
Most walks (season): 864 - St. Cloud 1950
Most walks (game): 27 - Duluth on 6-12-53
Most walks both teams: 28 - Sioux Falls 15, Winnipeg 13 on 5-10-42
- Duluth 27, Sioux Falls 1 on 6-12-53
Most IBB (season): 38 - Minot 1962
Most IBB (game): 6 - Winnipeg on 8-6-60 (13 inn)
5 - Duluth-Superior on 8-19-65
Most IBB both teams: 8 - St. Cloud 5, Mankato 3 on 8-8-67
5 - Winnipeg 4, St. Cloud 1 on 5-21-61
Most strikeouts (season): 936 - St. Cloud 1962
Most strikeouts (game): 23 - Bismarck-Mandan on 8-26-66 (10 inn)
21 - Superior on 5-17-39
- St. Cloud on 8-22-66
Most strikeouts both teams: 41 - Bismarck-Mandan 23, Sioux Falls 18 on 8-26-66 (10 inn)
33 - St. Cloud 21, Huron 12 on 8-22-66
Most left on base (season): 1163 - Superior 1954
Most left on base (game): 19 - Duluth on 5-19-53
Most left on base both teams: 32 - Winnipeg 18, Crookston 14 on 5-28-40
- Winnipeg 17, Eau Claire 15 on 5-3-61
- Duluth-Superior 17, Winnipeg 15 on 8-12-61
Most hit batters (season): 80 - Fargo-Moorhead 1955
Most hit batters (game): 5 - Minot on 5-16-60
Most hit batters both teams: 6 - Minot 5, Duluth-Superior 1 on 5-16-60
- Grand Forks 3, Bismark-Mandan 3 on 5-30-63
Highest win/lost percentage: .702 - St. Cloud (73-31) 1946
Lowest win/lost percentage: .233 - Grand Forks 1947
Most consecutive games won: 17 - Eau Claire 6-6 through 6-21-42
Most consecutive games lost: 21 - Grand Forks 5-27 through 6-5-47
Most consecutive shutouts pitched: 3 - many teams.
Most consecutive games being shutout: 3 - Bismarck-Mandan 6-28, 6-29, 6-30-66
- Huron 7-4,7-5, 7-6-67
- Huron 9-1, 9-2, 9-3-67
Most consecutive games w/o being shutout: 116 - Winnipeg 1936
Longest game by innings: 21 - Huron 8, St. Cloud 2 on 7-25-66
Highest fielding percentage (season): .977 - Aberdeen 1964
Most errors (season): 425 - Grand Forks 1947
Most errors (short season): 183 - Bismarck-Mandan 1966
Most errors (game): 13 - Aberdeen on 5-23-47
Most consecutive games w/o error: 6 - Winnipeg 6-28 through 7-1-53
- Aberdeen 6-13 through 6-18-62
Lowest ERA (season): 2.94 - Duluth-Superior 1957
Lowest ERA (short season): 2.21 - Mankato 1968
Highest ERA (season): 5.21 - St. Cloud 1959
Highest ERA (short season): 5.38 - Bismarck-Mandan 1966
Most complete games (season): 75 - Duluth-Superior 1963
Most complete games (short season): 41 - St. Cloud 1966
Fewest complete games (season): 23 - Winnipeg 1963
Fewest complete games (short season): 5 - Bismarck-Mandan 1966
Fewest hits allowed (season): 1181 - Minot 1959
Fewest hits allowed (short season): 671 - Watertown 1970
Fewest earned runs allowed (season): 345 - Aberdeen 1964
Fewest earned runs allowed (short season): 145 - Mankato 1968
Most earned runs allowed (season): 609 - St. Cloud 1959
Most earned runs allowed (short season): 333 - Aberdeen 1970
Fewest walks allowed (season): 368 - Duluth-Superior 1957
Fewest walks allowed (short season): 212 - St. Cloud 1966
Most walks allowed (season): 770 - St. Cloud 1959
Most walks allowed (short season): 384 - Aberdeen, 1969
Most strikeouts (season): 951 - Duluth-Superior 1960
Most strikeouts (short season): 719 - St. Cloud 1966
Fewest strikeouts (season): 591 - Fargo-Moorhead 1958
Fewest strikeouts (short season): 365 - Huron 1969
Most shutout games (season): 17 - Duluth-Superior 1957
Most shutout games (short season): 13 - St. Cloud 1966
Fewest shutout games (season): 2 - Aberdeen & Fargo-Moorhead 1956
- Eau Claire 1959
Fewest shutout games (short season): 1 - St. Cloud 1969 & 1970
- Aberdeen 1970
Fewest home runs allowed (season): 41 - Duluth-Superior 1956
Fewest home runs allowed (short season): 21 - Mankato 4967
Most home runs allowed (season): 120 - Bismarck-Mandan 1963
Most home runs allowed (short season): 65 - Winnipeg 1969
Largest attendance (season): 116,683 - Sioux Falls 1947
Largest attendance (short season): 44,001 - Huron 1965
Smallest attendance (season): 18,336 - Grand Forks 1963
Smallest attendance (short season): 6,988 - Bismarck-Mandan 1966
Largest attendance for league (season): - 661,111 in 1949
Largest attendance for league (short season): - 142,844 in 1967
Smallest attendance for league (season): - 207,325 in 1961
Smallest attendance for league (short season): - 103,832 in 1965 (six teams)
Sources:
Northern League Records - 1971 Edition, compiled and edited by Howe News Bureau, Chicago
The Professional Baseball Players Database 4.0, pub: Old Time Data, Inc.
The Encyclopedia of Minor League Baseball - 2nd Ed., edited by Lloyd Johnson and Miles Wolff, pub: Baseball America, Inc.