WSP04065

• File Number: 8200.100.10
• Description: Colorado River Basin - Description - Meteorologic-Climate Data
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/1997
• Author: USGS
• Title: Precipitation-Chemistry Data at Selected Sites in Northwestern Colorado - 1980-1994
• Water Supply Pro - Doc Type: Report/Study

., Table 3. Precipitation volume, specific conductance, concentrations of dissolved ions, and percent charge balance for each sampling intel'lal at Grand Mesa,
..
1981-91--Continued
"
~ [Precipitation volwne in incbes; specific conductance in microsiemens per ceotimeler at 25 degrees Celsius; dissolved ions in microequivalents per liter, n, no data]
'2:
Ii Speclllc Hydro- Mag..... Potas- Ammo- Percent
0' Beginning Ending Proclp- Calcium Sodium Chloride NltralB SUlfate SUm SUm
::l conduct- slum slum nlum charge
0 date da18 lIatlon gin (Co2+) (Na+) (en (NO.1 (sol') CIllon. anions
'" ance (If')' (Mg2+) (K+) (NH.) balanee c:>>
II
:I 03/30/90 04/10/90 2.52 5.4 3.6 10.0 1.6 2.2 0.5 15.7 2.8 12.1 33.6 =
ii' =
~ 0411 0/90 04/24/90 1.83 7.2 0.5 35.9 4.9 3.9 0.5 \2.9 2.8 16.4 58.6 W
!l 04/24/90 05/09/90 1.30 5.9 0.1 35.4 7.4 3.0 0.8 4.3 1.5 8.5 51.0 ('0,)
Ie 05/09/90 05/30/90 0.96 18.9 0.1 144.7 22.2 14.4 3.6 12.9 2.8 27.3 197.9 c.:>
R
S 05/30/90 06118/90 0.83 9.8 2.0 30.4 4.9 3.5 2.3 22.1 5.4 22.4 29.6 65.2 57.4 6.4
a. 06118/90 07/11/90 2.27 5.8 1.3 15.5 2.5 6.1 1.8 23.6 50.8
!I!
: 07/11190 08/02190 1.51 7.7 3.4 21.0 4.9 3.5 1.3 13.6 4.8 22.4 18.5 47.7 45.7 2.1
5' 08/02190 08/21190 1.00 9.8 17.8 12.5 1.6 2.6 1.0 14.3 21.4 16.9 22.3 49.8 60.6 -9.8
z 08/21/90 2.61 9.5 12.9 0.3 10.0 15.8 20.4 37.6 39.3 -2.2
0 09/20/90 11.5 1.6 1.3 3.1
:1
'" 09/20/90 10/10/90 1.21 5.8 7.2 12.0 2.5 1.7 0.8 6.4 2.3 10.5 11.9 30.6 24.7 10.7
~
.. 10/10/90 10/25/90 1.42 6.9 0.9 26.4 6.6 5.2 1.0 12.1 3.9 15.2 23.1 52.2 42.2 10.6
S
3 10/25/90 11/12190 2.11 7.9 0.3 49.9 7.4 3.9 1.5 16.4 4.5 15.5 15.8 79.4 35.8 37.8
g 11/12/90 11124/90 0.42 24.7 0.1 4.8 27.7 79.7 112.2
0' 11124/90 12111/90 1.98 2.8 1.7 18.0 2.5 3.0 0.5 3.6 3.7 5.2 3.7 29.3 12.6 39.9
~
..
a. 12/11/90 12126/90 3.54 7.1 13.8 7.0 0.2 0.8 7.9 2.5 10.8 14.6 31.3 27.9 5.7
0 1.6
-
'" 12126190 01/08/91 1.39 1.5 2.3 5.0 0.4 0.2 2.3 1.4 0.3 1.5 0.8 11.6 2.6 63.4
~ 01/08/91 01125/91 1.19 2.4 3.3 8.0 0.8 0.4 0.1 0.7 2.3 5.2 3.3 13.3 10.8 10.4
..
01125/91 02/11/91 0.Q7 14.3 0.1
02/11/91 02126/91 1.78 5.5 8.7 4.0 0.4 0.2 0.1 4.3 2.8 6.3 6.0 17.7 15.1 7.9
02126191 03/12191 5.42 3.9 0.6 23.5 3.3 3.0 1.0 11.4 2.5 5.3 9.8 42.8 17.6 41.7
03/12191 03/29/91 4.26 2.8 1.2 18.0 2.5 1.3 0.5 2.1 2.0 9.2 5.6 25.6 16.8 20.8
03/29191 04118/91 2.01 4.5 0.6 25.0 4.1 4.8 0.5 5.0 4.8 12.3 10.4 40.0 27.5 18.5
04118/91 05/07/91 1.99 13.8 0.1 99.8 14.0 13.0 2.0 6.4 3.9 14.8 15.8 135.3 34.5 59.4
05/07/91 05121/91 0.60 15.8 0.1 119.8 11.5 5.2 2.6 4.3 5.1 14.4 15.2 143.5 34.7 61.1
OS/21/91 06104/91 0.61 6.3 1.7 23.0 4.1 2.6 0.5 14.3 3.7 14.5 16.0 46.2 34.2 14.9
06104/91 06117/91 0.63 10.6 0.7 36.9 7.4 8.3 4.3 27.1 8.5 27.6 31.6 84.7 67.7 11.2
06117/91 07/09/91 0.57 7.7 5.5 13.0 3.3 10.0 1.5 6.4 39.7
07/09/91 07/31/91 0.95 11.8 12.0 21.0 4.1 2.2 1.0 12.9 4.5 23.5 23.7 53.2 51.7 1.4
07/31191 08122191 I \.8 14.5 14.5 3.3 5.7 0.5 14.3 52.8
08122191 09116191 6.7 3.2 11.5 4.1 3.9 0.3 11.4 34.4
09116191 10/01/91 0.36 18.5 20.0 22.0 3.3 2.2 0.1 7.1 54.7
'Values of pH can be calculated from hydrogen concentration by multiplying the log oftbe product of hydrogen concentration times I )( 10-6 by -I.