TOC PREV NEXT INDEX

Link to USGS homepage

Water-Data Report ND-04-1 Homepage
RED RIVER OF THE NORTH BASIN
05058000 SHEYENNE RIVER BELOW BALDHILL DAM, ND-Continued
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water year 1959 to current year.
PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: April 1997 to current year.
SPECIFIC CONDUCTANCE: April 1997 to current year.
INSTRUMENTATION.--Water-quality sensors since April 1997.
REMARKS.--Records good.
EXTREMES FOR PERIOD OF DAILY RECORD.--
WATER TEMPERATURE: Maximum recorded, 28.3×C, July 20, 1998; minimum recorded, 0.2×C, Feb. 21, 2003.
SPECIFIC CONDUCTANCE: Maximum recorded, 1,640 microsiemens, Feb. 27-28, 2001; minimum recorded, 401 microsiemens, Apr. 14, 1999.
EXTREMES FOR CURRENT YEAR.--
WATER TEMPERATURE: Maximum recorded, 25.0×C, July 19; minimum recorded, 0.6×C, Nov. 21.
SPECIFIC CONDUCTANCE: Maximum recorded, 1,250 microsiemens, Mar. 11 and Mar. 21-23; minimum recorded, 429 microsiemens, Apr. 7.
WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
Date
Time
Dis-
charge,
cfs
(00060)
Instan-
taneous
dis-
charge,
cfs
(00061)
Tur-
bidity,
water,
unfltrd
field,
NTU
(61028)
Baro-
metric
pres-
sure,
mm Hg
(00025)
Dis-
solved
oxygen,
mg/L
(00300)
Dis-
solved
oxygen,
percent
of sat-
uration
(00301)
pH,
water,
unfltrd
field,
std
units
(00400)
pH,
water,
unfltrd
lab,
std
units
(00403)
Specif.
conduc-
tance,
wat unf
lab,
uS/cm
25 degC
(90095)
Specif.
conduc-
tance,
wat unf
uS/cm
25 degC
(00095)
Temper-
ature,
air,
deg C
(00020)
Temper-
ature,
water,
deg C
(00010)
MAR
 
 
 
 
 
 
 
 
 
 
 
 
 
30...
1000
--
2,570
--
--
--
--
7.9
8.0
1,110
1,110
--
5.0
MAY
 
 
 
 
 
 
 
 
 
 
 
 
 
10...
1630
213
--
9.7
729
13.4
134
7.6
7.8
568
554
11.9
13.2
AUG
 
 
 
 
 
 
 
 
 
 
 
 
 
03...
1540
--
88
--
--
--
--
8.4
7.9
1,060
1,040
24.0
24.4

WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
Date
Hard-
ness,
water,
mg/L as
CaCO3
(00900)
Calcium
water,
fltrd,
mg/L
(00915)
Magnes-
ium,
water,
fltrd,
mg/L
(00925)
Potas-
sium,
water,
fltrd,
mg/L
(00935)
Sodium
adsorp-
tion
ratio
(00931)
Sodium,
water,
fltrd,
mg/L
(00930)
Sodium,
percent
(00932)
ANC,
wat unf
fixed
end pt,
lab,
mg/L as
CaCO3
(90410)
Chlor-
ide,
water,
fltrd,
mg/L
(00940)
Fluor-
ide,
water,
fltrd,
mg/L
(00950)
Silica,
water,
fltrd,
mg/L
(00955)
Sulfate
water,
fltrd,
mg/L
(00945)
Residue
water,
fltrd,
sum of
consti-
tuents
mg/L
(70301)
MAR
 
 
 
 
 
 
 
 
 
 
 
 
 
30...
360
64.3
49.4
11.3
3
115
40
322
20.1
0.22
26.2
258
714
MAY
 
 
 
 
 
 
 
 
 
 
 
 
 
10...
190
40.7
21.4
11.1
1
38.9
29
154
8.7
--
--
128
347
AUG
 
 
 
 
 
 
 
 
 
 
 
 
 
03...
360
70.2
45.3
11.4
2
95.9
36
296
15.3
0.22
22.7
266
684

WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
Date
Residue
water,
fltrd,
tons/d
(70302)
Ammonia
+
org-N,
water,
fltrd,
mg/L
as N
(00623)
Ammonia
+
org-N,
water,
unfltrd
mg/L
as N
(00625)
Ammonia
water,
fltrd,
mg/L
as N
(00608)
Ammonia
water,
unfltrd
mg/L
as N
(00610)
Nitrite
+
nitrate
water
fltrd,
mg/L
as N
(00631)
Nitrite
+
nitrate
water
unfltrd
mg/L
as N
(00630)
Organic
nitro-
gen,
water,
fltrd,
mg/L
(00607)
Organic
nitro-
gen,
water,
unfltrd
mg/L
(00605)
Ortho-
phos-
phate,
water,
fltrd,
mg/L
as P
(00671)
Phos-
phorus,
water,
fltrd,
mg/L
(00666)
Phos-
phorus,
water,
unfltrd
mg/L
(00665)
Total
nitro-
gen,
water,
fltrd,
mg/L
(00602)
MAR
 
 
 
 
 
 
 
 
 
 
 
 
 
30...
5,130
--
--
--
--
--
--
--
--
--
--
--
--
MAY
 
 
 
 
 
 
 
 
 
 
 
 
 
10...
199
0.91
1.1
0.127
0.131
0.691
0.700
0.78
0.94
0.237
0.246
0.272
1.6
AUG
 
 
 
 
 
 
 
 
 
 
 
 
 
03...
168
--
--
--
--
--
--
--
--
--
--
--
--

WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
Date
Total
nitro-
gen,
water,
unfltrd
mg/L
(00600)
Fecal
coli-
form,
M-FC
0.7u MF
col/
100 mL
(31625)
Chloro-
phyll a
phyto-
plank-
ton,
fluoro,
ug/L
(70953)
Chloro-
phyll b
phyto-
plank-
ton,
fluoro,
ug/L
(70954)
Arsenic
water,
fltrd,
ug/L
(01000)
Iron,
water,
fltrd,
ug/L
(01046)
Lead,
water,
fltrd,
ug/L
(01049)
Lithium
water,
fltrd,
ug/L
(01130)
Mangan-
ese,
water,
fltrd,
ug/L
(01056)
Mercury
water,
fltrd,
ug/L
(71890)
Molyb-
denum,
water,
fltrd,
ug/L
(01060)
Selen-
ium,
water,
fltrd,
ug/L
(01145)
Stront-
ium,
water,
fltrd,
ug/L
(01080)
MAR
 
 
 
 
 
 
 
 
 
 
 
 
 
30...
--
--
--
--
6.4
150
<1
80
250
<0.20
2
4
340
MAY
 
 
 
 
 
 
 
 
 
 
 
 
 
10...
1.8
E12k
<3.0
<1.0
--
60
--
--
40
--
--
--
--
AUG
 
 
 
 
 
 
 
 
 
 
 
 
 
03...
--
--
--
--
4.5
--
5
80
120
<0.20
2
1
340
Remark codes used in this table:
< -- Less than
E -- Estimated value
Value qualifier codes used in this table:
k -- Counts outside acceptable range

Temperature, water, degrees Celsius 
WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
DAY
MAX
MIN
MEAN
MAX
MIN
MEAN
MAX
MIN
MEAN
MAX
MIN
MEAN
 
OCTOBER
NOVEMBER
DECEMBER
JANUARY
1
14.4
10.0
11.8
6.0
5.5
5.7
---
---
---
---
---
---
2
14.0
10.0
11.6
7.0
4.9
5.7
1.9
1.2
1.5
---
---
---
3
14.1
11.2
12.3
4.9
3.3
4.0
2.0
1.6
1.7
---
---
---
4
15.2
11.0
12.5
4.1
2.7
3.3
1.9
1.4
1.7
---
---
---
5
15.2
10.9
12.5
4.5
2.7
3.4
2.1
1.4
1.6
---
---
---
6
14.9
10.8
12.4
4.0
2.3
2.9
2.1
1.5
1.7
---
---
---
7
14.4
10.7
12.1
3.6
2.0
2.5
2.5
1.5
1.8
---
---
---
8
14.8
11.5
12.6
2.5
1.5
1.9
2.2
1.1
1.6
---
---
---
9
13.9
11.4
12.3
2.6
1.3
1.8
1.9
1.0
1.2
---
---
---
10
14.0
11.7
12.6
2.5
1.6
1.9
1.7
0.8
1.2
---
---
---
11
14.0
11.9
12.5
3.5
1.6
2.2
1.7
0.8
1.1
---
---
---
12
13.1
11.3
12.0
2.7
1.3
2.0
1.8
1.0
1.2
---
---
---
13
13.5
11.2
11.9
2.3
1.0
1.5
1.6
1.1
1.2
---
---
---
14
13.2
10.8
11.7
3.2
1.1
1.8
2.1
1.1
1.4
3.0
1.8
2.3
15
12.6
10.6
11.2
2.7
1.6
2.0
1.8
1.0
1.4
3.5
2.1
2.5
16
12.5
10.3
11.1
2.4
1.7
1.9
1.9
1.0
1.3
3.3
2.3
2.7
17
12.0
10.1
10.9
2.9
1.6
2.1
2.0
1.3
1.6
3.2
1.8
2.4
18
12.4
10.5
11.2
3.2
1.5
2.0
2.4
1.3
1.6
2.9
1.7
2.1
19
12.9
10.2
11.2
3.0
1.7
2.1
---
---
---
2.7
2.0
2.2
20
12.7
10.5
11.2
2.2
1.1
1.8
---
---
---
3.1
2.2
2.5
21
12.9
10.7
11.5
1.5
0.6
1.0
---
---
---
2.7
1.9
2.3
22
12.8
10.6
11.4
---
---
---
---
---
---
2.8
1.9
2.3
23
12.3
10.2
11.0
---
---
---
---
---
---
2.9
2.1
2.4
24
12.0
10.1
10.8
---
---
---
---
---
---
2.8
1.4
2.1
25
10.2
9.1
9.6
---
---
---
---
---
---
2.0
1.3
1.7
26
10.2
8.6
9.0
---
---
---
---
---
---
2.8
1.8
2.2
27
9.4
8.5
8.8
---
---
---
---
---
---
2.7
1.7
2.0
28
8.5
7.5
8.1
---
---
---
---
---
---
2.6
1.5
1.9
29
7.6
6.8
7.3
---
---
---
---
---
---
3.0
1.2
2.0
30
7.9
6.8
7.1
---
---
---
---
---
---
2.9
1.7
2.0
31
7.2
5.6
6.5
---
---
---
---
---
---
2.9
1.3
2.1
MONTH
15.2
5.6
10.9
7.0
0.6
2.5
2.5
0.8
1.5
3.5
1.2
2.2
 
FEBRUARY
MARCH
APRIL
MAY
1
3.6
2.1
2.6
3.5
2.1
2.7
3.7
3.3
3.5
11.1
10.2
10.6
2
3.6
2.1
2.5
5.5
2.6
3.7
3.7
3.1
3.4
11.4
10.3
10.8
3
3.6
1.9
2.4
5.9
2.2
3.7
3.5
3.0
3.2
12.0
10.3
10.8
4
3.1
1.8
2.3
5.2
2.2
3.3
3.6
3.0
3.3
12.3
10.4
11.3
5
3.6
2.4
2.8
7.1
2.4
3.8
3.5
3.1
3.3
13.1
11.1
11.9
6
3.6
2.1
2.6
5.8
2.3
3.6
3.8
3.3
3.5
13.3
11.3
12.2
7
3.6
2.0
2.5
7.0
2.5
3.9
3.8
3.2
3.5
13.3
11.8
12.3
8
3.9
2.0
2.8
7.8
2.7
4.4
3.6
3.2
3.4
14.0
11.7
12.6
9
4.0
2.6
3.0
8.8
2.6
4.6
3.5
3.2
3.3
13.7
12.4
12.8
10
3.4
2.2
2.8
6.6
1.2
3.7
3.7
3.2
3.4
14.1
12.1
13.0
11
3.4
1.9
2.4
5.4
0.8
2.6
3.7
3.4
3.5
12.9
11.2
12.0
12
3.5
2.1
2.5
6.9
2.3
3.9
4.1
3.6
3.8
11.5
11.1
11.3
13
5.1
1.7
3.1
5.9
2.3
3.7
5.9
4.0
4.7
11.2
10.6
11.0
14
4.4
1.7
2.6
6.7
2.0
3.7
6.4
5.4
5.8
11.2
10.5
10.9
15
4.1
1.9
2.6
6.9
2.4
3.9
6.5
5.8
6.1
11.1
10.6
10.9
16
4.6
1.9
2.8
5.1
2.3
3.2
8.0
6.2
6.4
11.5
10.9
11.2
17
4.2
2.1
2.9
6.9
2.7
4.3
8.0
6.8
7.2
12.9
11.0
11.7
18
4.9
2.4
3.4
7.4
3.0
4.5
7.6
7.1
7.2
12.4
11.2
11.8
19
4.8
2.7
3.5
8.0
2.8
4.6
8.0
7.0
7.3
12.2
11.1
11.4
20
4.3
2.4
3.2
6.4
2.4
3.8
7.8
7.1
7.3
13.4
11.2
12.2
21
5.9
2.4
3.5
6.6
2.0
3.7
8.8
7.4
8.1
14.0
12.2
12.9
22
5.3
2.5
3.5
8.0
2.6
4.5
8.8
8.0
8.3
13.5
12.7
13.0
23
5.0
2.8
3.5
7.9
2.4
4.6
9.4
7.9
8.5
13.1
12.7
12.8
24
4.0
2.6
3.1
8.6
3.5
5.1
9.2
8.6
8.9
12.7
12.4
12.5
25
5.5
2.3
3.3
9.2
3.7
5.4
9.3
8.8
9.0
12.7
12.2
12.4
26
6.2
2.5
3.7
4.5
3.0
3.7
9.8
8.9
9.4
13.3
12.1
12.6
27
6.6
2.9
4.0
4.9
4.0
4.4
10.1
9.2
9.5
14.3
12.4
13.2
28
6.1
2.9
4.0
4.6
4.2
4.3
11.7
9.5
10.4
14.7
13.1
13.8
29
3.4
2.7
3.0
4.3
3.9
4.1
11.1
9.8
10.5
14.5
13.5
14.2
30
---
---
---
4.7
4.0
4.4
11.1
10.3
10.6
14.6
14.1
14.3
31
---
---
---
4.2
3.6
3.9
---
---
---
14.2
14.0
14.1
MONTH
6.6
1.7
3.0
9.2
0.8
4.0
11.7
3.0
6.2
14.7
10.2
12.2
 
JUNE
JULY
AUGUST
SEPTEMBER
1
13.8
13.6
13.7
21.6
20.4
20.9
24.3
21.5
22.5
20.7
19.0
19.5
2
15.1
13.6
14.1
21.5
19.7
20.6
24.7
21.5
23.3
20.2
18.4
19.2
3
14.6
13.6
13.8
21.1
19.3
20.2
24.2
22.5
23.1
20.8
19.1
19.8
4
14.6
13.5
14.0
22.0
19.8
20.9
24.0
22.3
23.0
20.1
19.7
19.9
5
17.0
14.1
15.5
20.7
19.8
20.2
23.8
21.7
22.6
19.9
19.1
19.6
6
17.6
16.3
17.1
19.8
19.3
19.5
22.1
21.4
21.6
19.7
18.6
19.1
7
17.8
16.2
17.0
20.9
19.2
19.7
23.3
21.4
22.0
19.9
17.9
18.7
8
18.1
16.6
17.6
20.1
19.3
19.5
23.0
21.5
22.0
19.4
17.8
18.5
9
18.2
17.3
17.7
20.4
19.0
19.6
21.6
20.7
21.2
19.1
18.3
18.6
10
17.9
17.3
17.6
20.4
19.2
19.5
21.2
20.2
20.6
19.9
18.3
19.1
11
17.7
17.2
17.3
20.8
19.8
20.1
20.7
19.7
20.1
19.6
18.8
19.1
12
18.0
17.4
17.6
21.4
19.8
20.3
20.7
19.6
20.1
19.6
18.8
19.1
13
18.3
17.9
18.1
22.1
19.9
21.0
21.0
19.7
20.3
19.3
18.9
19.1
14
19.7
18.2
18.8
21.9
20.9
21.4
21.1
19.5
20.1
19.2
18.5
18.9
15
19.6
18.2
18.7
22.1
20.9
21.4
20.5
19.3
19.7
18.5
17.6
18.1
16
19.3
18.3
18.7
24.2
21.7
22.9
21.2
19.4
20.2
18.7
17.3
17.8
17
19.1
18.5
18.9
23.7
22.2
23.0
21.3
19.9
20.4
18.8
17.4
17.8
18
18.9
18.5
18.8
22.2
20.7
21.3
20.2
19.3
19.8
19.0
17.4
18.0
19
18.5
18.1
18.4
25.0
21.4
22.9
20.3
18.4
19.3
19.5
17.9
18.5
20
18.4
18.0
18.2
22.9
21.7
22.2
19.9
18.2
19.0
18.9
18.0
18.5
21
18.6
18.3
18.4
22.9
21.1
21.9
19.7
18.4
19.0
19.0
17.7
18.0
22
18.9
18.2
18.5
23.9
20.4
22.1
19.6
18.5
18.8
17.7
17.3
17.4
23
18.7
18.4
18.5
23.6
21.7
22.9
19.2
18.2
18.6
17.3
16.6
17.0
24
18.4
18.0
18.2
23.0
21.3
22.0
19.8
18.3
18.9
17.5
16.7
17.0
25
18.6
18.2
18.4
22.6
21.0
21.6
19.5
18.2
18.7
17.6
16.7
17.0
26
19.9
18.2
18.9
22.1
20.6
21.2
19.8
18.6
19.0
17.5
16.5
16.9
27
20.2
18.1
19.0
22.6
20.4
21.3
19.4
18.5
18.8
17.1
16.4
16.7
28
19.5
18.8
19.0
22.6
21.4
21.9
19.9
18.3
18.8
17.0
15.9
16.4
29
19.0
18.2
18.7
22.9
21.3
22.0
19.7
18.0
18.6
16.6
15.6
16.0
30
21.5
18.8
19.9
23.3
21.6
22.3
19.6
17.8
18.5
16.2
15.9
16.0
31
---
---
---
23.4
21.6
22.3
20.8
18.1
19.2
---
---
---
MONTH
21.5
13.5
17.6
25.0
19.0
21.2
24.7
17.8
20.3
20.8
15.6
18.2
YEAR
25.0
0.6
10.9

 

 

 

 

 

 

 

 

 

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius 
WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
DAY
MAX
MIN
MEAN
MAX
MIN
MEAN
MAX
MIN
MEAN
MAX
MIN
MEAN
 
OCTOBER
NOVEMBER
DECEMBER
JANUARY
1
1,100
1,080
1,090
1,080
1,070
1,080
---
---
---
---
---
---
2
1,100
1,080
1,090
1,080
1,060
1,080
1,120
1,110
1,110
---
---
---
3
1,100
1,080
1,090
1,090
1,080
1,080
1,120
1,110
1,120
---
---
---
4
1,100
1,080
1,090
1,090
1,080
1,080
1,130
1,120
1,120
---
---
---
5
1,100
1,080
1,090
1,080
1,070
1,080
1,130
1,120
1,120
---
---
---
6
1,100
1,080
1,090
1,090
1,080
1,080
1,120
1,110
1,120
---
---
---
7
1,100
1,090
1,100
1,090
1,070
1,080
1,120
1,110
1,120
---
---
---
8
1,100
1,080
1,090
1,090
1,080
1,090
1,120
1,110
1,110
---
---
---
9
1,090
1,080
1,090
1,090
1,080
1,090
1,120
1,100
1,110
---
---
---
10
1,090
1,080
1,090
1,100
1,080
1,090
1,120
1,120
1,120
---
---
---
11
1,090
1,070
1,080
1,090
1,070
1,090
1,120
1,120
1,120
---
---
---
12
1,090
1,080
1,080
1,090
1,080
1,090
1,120
1,110
1,120
---
---
---
13
1,090
1,070
1,080
1,090
1,080
1,090
1,120
1,110
1,120
---
---
---
14
1,090
1,070
1,080
1,100
1,080
1,090
1,120
1,110
1,120
1,140
1,130
1,140
15
1,090
1,070
1,080
1,090
1,080
1,090
1,120
1,110
1,120
1,140
1,130
1,140
16
1,080
1,070
1,080
1,090
1,080
1,090
1,120
1,120
1,120
1,140
1,130
1,140
17
1,080
1,070
1,080
1,090
1,080
1,080
1,120
1,110
1,120
1,140
1,130
1,140
18
1,080
1,060
1,070
1,090
1,080
1,080
---
---
---
1,140
1,130
1,140
19
1,080
1,060
1,070
1,090
1,080
1,080
---
---
---
1,140
1,130
1,140
20
1,080
1,060
1,070
1,090
1,080
1,080
---
---
---
1,140
1,130
1,130
21
1,070
1,060
1,070
1,100
1,090
1,090
---
---
---
1,140
1,130
1,130
22
1,070
1,060
1,070
1,100
1,100
1,100
---
---
---
1,140
1,130
1,130
23
1,070
1,050
1,060
1,100
1,100
1,100
---
---
---
1,130
1,130
1,130
24
1,070
1,060
1,070
1,150
1,100
1,120
---
---
---
1,130
1,130
1,130
25
1,070
1,060
1,070
1,150
1,120
1,130
---
---
---
1,140
1,130
1,130
26
1,070
1,050
1,060
1,130
1,110
1,120
---
---
---
1,130
1,130
1,130
27
1,070
1,060
1,060
1,140
1,120
1,130
---
---
---
1,130
1,120
1,130
28
1,070
1,060
1,060
---
---
---
---
---
---
1,130
1,120
1,130
29
1,070
1,060
1,060
---
---
---
---
---
---
1,140
1,130
1,130
30
1,080
1,060
1,070
---
---
---
---
---
---
1,130
1,130
1,130
31
1,080
1,070
1,070
---
---
---
---
---
---
1,140
1,130
1,130
MONTH
1,100
1,050
1,080
1,150
1,060
1,090
1,130
1,100
1,120
1,140
1,120
1,130
 
FEBRUARY
MARCH
APRIL
MAY
1
1,130
1,120
1,130
1,210
1,210
1,210
930
807
867
528
525
526
2
1,130
1,120
1,120
1,220
1,200
1,210
811
712
766
528
526
527
3
1,130
1,120
1,120
1,220
1,200
1,210
742
677
709
539
528
531
4
1,130
1,120
1,120
1,220
1,210
1,220
677
613
651
546
532
537
5
1,130
1,120
1,130
1,230
1,210
1,220
693
566
628
538
533
536
6
1,140
1,130
1,130
1,230
1,210
1,220
604
527
571
542
535
538
7
1,140
1,130
1,140
1,230
1,210
1,220
821
429
571
544
540
543
8
1,140
1,130
1,140
1,230
1,200
1,220
636
549
599
544
539
542
9
1,140
1,140
1,140
1,230
1,170
1,210
620
576
591
545
540
543
10
1,150
1,140
1,150
1,240
1,190
1,210
619
588
603
548
541
544
11
1,160
1,150
1,150
1,250
1,200
1,230
599
580
589
563
545
551
12
1,160
1,150
1,160
1,230
1,200
1,220
585
572
579
560
550
554
13
1,160
1,150
1,160
1,230
1,200
1,220
572
541
561
559
552
555
14
1,170
1,160
1,160
1,230
1,200
1,220
545
516
527
559
555
557
15
1,170
1,160
1,170
1,230
1,200
1,220
532
517
527
559
555
556
16
1,180
1,160
1,170
1,230
1,210
1,220
536
530
534
566
559
562
17
1,180
1,170
1,180
1,230
1,200
1,220
530
520
525
572
564
567
18
1,180
1,170
1,180
1,230
1,200
1,220
525
513
518
572
564
565
19
1,180
1,170
1,180
1,240
1,200
1,220
520
514
517
571
566
568
20
1,190
1,180
1,180
1,240
1,210
1,230
521
515
519
581
569
574
21
1,190
1,180
1,190
1,250
1,210
1,230
518
511
514
589
581
585
22
1,190
1,180
1,190
1,250
1,200
1,230
518
511
516
593
581
584
23
1,190
1,180
1,190
1,250
1,210
1,230
529
514
518
611
593
601
24
1,200
1,190
1,190
1,240
1,200
1,230
521
514
517
600
591
595
25
1,200
1,180
1,200
1,240
1,200
1,230
524
515
518
595
590
593
26
1,200
1,190
1,200
1,240
1,200
1,220
524
515
517
597
593
595
27
1,200
1,190
1,200
1,200
1,140
1,190
529
517
519
604
597
600
28
1,210
1,190
1,200
1,170
1,140
1,160
520
517
518
606
602
604
29
1,210
1,200
1,210
1,160
1,150
1,160
525
520
523
609
604
607
30
---
---
---
1,160
1,020
1,080
527
524
525
608
604
606
31
---
---
---
1,020
921
959
---
---
---
607
600
603
MONTH
1,210
1,120
1,160
1,250
921
1,200
930
429
571
611
525
566
 
JUNE
JULY
AUGUST
SEPTEMBER
1
611
605
608
1,040
1,030
1,040
1,000
995
998
1,040
1,030
1,040
2
620
609
611
1,040
1,030
1,040
1,010
1,000
1,000
1,040
1,030
1,040
3
660
615
631
1,050
1,040
1,040
1,010
1,000
1,010
1,050
1,040
1,040
4
687
650
669
1,070
1,050
1,060
1,010
1,000
1,010
1,050
1,040
1,040
5
706
678
688
1,080
1,070
1,070
1,020
1,010
1,010
1,040
1,030
1,040
6
724
697
713
1,080
1,080
1,080
1,020
1,010
1,010
1,040
1,030
1,040
7
733
716
723
1,090
1,080
1,080
1,020
1,010
1,010
1,040
1,040
1,040
8
770
733
738
1,090
1,080
1,080
1,020
1,010
1,010
1,040
1,030
1,040
9
784
763
770
1,080
1,070
1,080
1,020
1,010
1,010
1,040
1,030
1,040
10
790
773
779
1,070
1,060
1,070
1,010
1,010
1,010
1,040
1,040
1,040
11
788
775
778
1,060
1,040
1,050
1,020
1,010
1,020
1,040
1,040
1,040
12
808
788
801
1,040
1,030
1,040
1,020
1,020
1,020
1,050
1,040
1,040
13
820
806
814
1,030
1,020
1,020
1,020
1,010
1,020
1,050
1,040
1,040
14
847
818
825
1,020
991
1,000
1,020
1,020
1,020
1,050
1,040
1,040
15
862
824
845
991
973
983
1,020
1,020
1,020
1,050
1,040
1,040
16
876
855
863
1,030
970
992
1,030
1,020
1,020
1,050
1,040
1,050
17
879
864
875
1,020
999
1,010
1,030
1,020
1,020
1,050
1,040
1,050
18
887
873
878
1,000
981
989
1,040
1,020
1,020
1,050
1,050
1,050
19
899
886
891
991
981
987
1,030
1,020
1,020
1,070
1,050
1,060
20
914
897
909
981
974
977
1,040
1,020
1,030
1,080
1,070
1,080
21
920
904
910
991
960
973
1,040
1,020
1,030
1,080
1,070
1,080
22
931
920
925
996
990
993
1,040
1,020
1,030
1,070
1,030
1,050
23
948
924
931
992
981
986
1,040
1,020
1,030
1,030
1,020
1,020
24
967
948
961
988
981
985
1,040
1,020
1,030
1,030
1,010
1,020
25
974
964
967
991
986
988
1,030
1,020
1,030
1,070
1,010
1,050
26
995
974
989
992
987
989
1,030
1,020
1,030
1,060
1,050
1,060
27
1,000
992
995
991
988
989
1,030
1,020
1,030
1,060
1,060
1,060
28
1,020
999
1,010
996
991
993
1,040
1,030
1,030
1,070
1,060
1,060
29
1,030
1,020
1,020
998
991
994
1,040
1,030
1,040
1,070
1,070
1,070
30
1,040
1,020
1,030
999
992
995
1,040
1,030
1,030
1,070
1,070
1,070
31
---
---
---
999
991
994
1,040
1,030
1,030
---
---
---
MONTH
1,040
605
838
1,090
960
1,020
1,040
995
1,020
1,080
1,010
1,050
YEAR
1,250
429
975

 

 

 

 

 

 

 

 

 

TOC PREV NEXT INDEX

U.S. Department of the Interior || U.S. Geological Survey
Maintainer: Webmaster
Privacy || Disclaimer|| Accessibility || FOIA
FirstGov, "Your First Click to the U.S. Government"