USGS Surface Water data for Montana: USGS Surface-Water Monthly Statistics

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USGS Surface-Water Monthly Statistics for Montana

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00060, Discharge, cubic feet per second,
YEAR	Monthly mean in ft3/s (Calculation Period: 1911-05-01 -> 2020-03-31)
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1911					960	1,575	461.9	171.8	145.7	145	126	105
1912	75	75	60	108	1,140	1,158	329.1	143.3
1945										91.2	94	61.7
1946	62	55.7	56.1	399	1,187	1,028	306.9	129.5	97.4	132.5	104.5	66.3
1947	60	58.8	86.2	484.6	1,925	1,323	387.9	150.2	111.2	172.3	111.9	82.5
1948	80.8	62.3	54	195.7	1,554	1,756	328.8	152.5	96	77.2	70.4	61.9
1949	53.7	46.6	54.6	242.8	1,478	837.3	202.9	95.2	83.5	76.2	83.7	91.3
1950	43.1	52.1	52.6	108.7	920.3	2,113	876	248.8	130.6	155.7	155.5	125.6
1951	95.7	88.7	75.3	294.9	1,561	1,346	821.2	227.8	181.1	185.6	128.3	87.2
1952	66.6	67.6	60	512.2	1,410	729.5	225.5	128.1	93.2	72.2	65	59.2
1953	68.5	58.8	62.5	167.2	1,190	2,338	830.3	191.1	122.3	92.8	82.5	75.8
1954	55.4	63.9	58.3	114.8	1,663	1,750	1,010	221.3	155.8	147.4	118.2	103.9
1955	61.9	61.1	61.8	80.6	798.3	1,696	586.1	179.5	112.1	97.8	80.1	68.1
1956	71.6	64.1	68.6	253.3	1,605	1,627	406.3	173.6	115.1	96.9	88.9	74.8
1957	51.9	51.2	60	104.2	1,831	1,074	257	131.7	90.8	78.6	68.6	67.9
1958	63.5	51.6	55.6	89.7	1,478	988.9	342.7	152.4	118.9	146.2	129.8	116.7
1959	92.4	73.6	89.4	348.1	1,010	2,447	690.5	212.8	156.6	285.9	190.6	152.3
1960	82.3	82.9	113.4	342.6	687.8	1,157	327.9	152.5	98.1	73.6	69.6	62.6
1961	54	70	65	105.5	1,212	1,404	257.3	110.6	93.1	110.8	93.8	62.9
1962	52.7	60.9	55.5	429.2	1,279	1,348	405.3	177.9	110.9	116.1	98.4	94.1
1963	66.6	100.4	79.1	151.3	805.6	949.2	352.3	128.7	89.7	77.6	76.9	64.4
1964	53.5	48.1	43.8	75.9	1,078	3,219	584.7	189.1	131.2	118.7	87.4	76.4
1965	86.4	87.3	79.6	304.9	1,369	2,098	651.3	244.7	246.8	196.4	115.7	87.7
1966	67.3	72.9	79.8	287.6	1,272	1,001	337.3	144	101	86.6	84.4	67.5
1967	63.8	62.5	55.6	87.3	1,180	2,327	702.3	178.4	110.8	102.6	113	76.8
1968	68.6	75.8	98.2	119.6	829	1,279	393.9	147.4
1989					1,178	1,231	412	204.5	168.5	136.8
1990				935.2	1,160	1,399	440.8	198.5	127	183.1
1991				396.8	1,783	2,013	1,001	236.6	135.3	103.7
1992				409.9	826.4	454.8	234.6	113.6	87.9	95.8
1993				267.9	1,471	669.3	411.6	248.2
2008					1,533	1,670	721.5	177.8	126.9	110.1
2009				288.5	1,005	902.3	297.5	151.4	91.6	86.5
2014					1,404	1,347	518.8	155.8	105.6	100	123.3	134.3
2015	104.2	146.2	392.1	457.2	705.2	600.4	156.8	84.7	74	60.7	75.9	77.8
2016	58.1	60.4	96.3	529.8	658	499.7	161.7	88.1	67.9	127.6	157.5	72.2
2017	61.4	85.9	225.5	560.7	1,362	1,179	237	113	81.7	77.6	109.3	75.8
2018	63.7	74.5	53	352.3	2,359	1,214	345.3	146.2	98.9	92.1	73	52
2019	46.4	44.1	46.5	367.8	1,008	836.5	238.5	121.1	102.6	131.4	114.3	91
2020	78.6	71.4	69.7
Mean of monthly Discharge	67	69	84	293	1,260	1,380	454	164	116	118	103	83
** No Incomplete data have been used for statistical calculation

00060, Discharge, cubic feet per second,

YEAR

Monthly mean in ft3/s (Calculation Period: 1911-05-01 -> 2020-03-31)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

1911

960

1,575

461.9

171.8

145.7

145

126

105

1912

108

1,140

1,158

329.1

143.3

1945

91.2

61.7

1946

55.7

56.1

399

1,187

1,028

306.9

129.5

97.4

132.5

104.5

66.3

1947

58.8

86.2

484.6

1,925

1,323

387.9

150.2

111.2

172.3

111.9

82.5

1948

80.8

62.3

195.7

1,554

1,756

328.8

152.5

77.2

70.4

61.9

1949

53.7

46.6

54.6

242.8

1,478

837.3

202.9

95.2

83.5

76.2

83.7

91.3

1950

43.1

52.1

52.6

108.7

920.3

2,113

876

248.8

130.6

155.7

155.5

125.6

1951

95.7

88.7

75.3

294.9

1,561

1,346

821.2

227.8

181.1

185.6

128.3

87.2

1952

66.6

67.6

512.2

1,410

729.5

225.5

128.1

93.2

72.2

59.2

1953

68.5

58.8

62.5

167.2

1,190

2,338

830.3

191.1

122.3

92.8

82.5

75.8

1954

55.4

63.9

58.3

114.8

1,663

1,750

1,010

221.3

155.8

147.4

118.2

103.9

1955

61.9

61.1

61.8

80.6

798.3

1,696

586.1

179.5

112.1

97.8

80.1

68.1

1956

71.6

64.1

68.6

253.3

1,605

1,627

406.3

173.6

115.1

96.9

88.9

74.8

1957

51.9

51.2

104.2

1,831

1,074

257

131.7

90.8

78.6

68.6

67.9

1958

63.5

51.6

55.6

89.7

1,478

988.9

342.7

152.4

118.9

146.2

129.8

116.7

1959

92.4

73.6

89.4

348.1

1,010

2,447

690.5

212.8

156.6

285.9

190.6

152.3

1960

82.3

82.9

113.4

342.6

687.8

1,157

327.9

152.5

98.1

73.6

69.6

62.6

1961

105.5

1,212

1,404

257.3

110.6

93.1

110.8

93.8

62.9

1962

52.7

60.9

55.5

429.2

1,279

1,348

405.3

177.9

110.9

116.1

98.4

94.1

1963

66.6

100.4

79.1

151.3

805.6

949.2

352.3

128.7

89.7

77.6

76.9

64.4

1964

53.5

48.1

43.8

75.9

1,078

3,219

584.7

189.1

131.2

118.7

87.4

76.4

1965

86.4

87.3

79.6

304.9

1,369

2,098

651.3

244.7

246.8

196.4

115.7

87.7

1966

67.3

72.9

79.8

287.6

1,272

1,001

337.3

144

101

86.6

84.4

67.5

1967

63.8

62.5

55.6

87.3

1,180

2,327

702.3

178.4

110.8

102.6

113

76.8

1968

68.6

75.8

98.2

119.6

829

1,279

393.9

147.4

1989

1,178

1,231

412

204.5

168.5

136.8

1990

935.2

1,160

1,399

440.8

198.5

127

183.1

1991

396.8

1,783

2,013

1,001

236.6

135.3

103.7

1992

409.9

826.4

454.8

234.6

113.6

87.9

95.8

1993

267.9

1,471

669.3

411.6

248.2

2008

1,533

1,670

721.5

177.8

126.9

110.1

2009

288.5

1,005

902.3

297.5

151.4

91.6

86.5

2014

1,404

1,347

518.8

155.8

105.6

100

123.3

134.3

2015

104.2

146.2

392.1

457.2

705.2

600.4

156.8

84.7

60.7

75.9

77.8

2016

58.1

60.4

96.3

529.8

658

499.7

161.7

88.1

67.9

127.6

157.5

72.2

2017

61.4

85.9

225.5

560.7

1,362

1,179

237

113

81.7

77.6

109.3

75.8

2018

63.7

74.5

352.3

2,359

1,214

345.3

146.2

98.9

92.1

2019

46.4

44.1

46.5

367.8

1,008

836.5

238.5

121.1

102.6

131.4

114.3

2020

78.6

71.4

69.7

Mean of
monthly
Discharge

293

1,260

1,380

454

164

116

118

103

** No Incomplete data have been used for statistical calculation

USGS 06078500 North Fork Sun River near Augusta MT