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 1. Precipitation volume, specific conductance, concentrations of dissolved ions, and percent charge balance for each sampling interval at Douglas Pass,
1980-91--Continued
[Precipitation volllJ1le in inches~ specific conductance in microsimlen5 per centimeter at 25 degrees Celsi~ dissolved ions in microcquivalents per liter, -~, no data]
Beginning ending Preclp- Speclllc Hydro- Calcium Magne- Sodium Potu. Ammo- ehlorlde Nltrata Sulla18 Sum Sum Percent
date date ltatlon conduct- g8n (Ca2+) slum (Na+) slum nlurn (en (NO,' (Sol, caUons IIInlons charge
ance (tr)' (Mg2+) (~) (NH.c1 balance
10/12188 11122188 1.71 4.7 1.4 15.5 4.1 4.3 0.8 9.3 3.7 14.7 11.0 35.4 29.4 9.3
11122/88 12/06188 0.40 4.3 0.7 30.4 8.2 31.3 0.8 10.7 10.0 5.2 25.9 Q
12106188 12121/88 0.81 8.5 15.5 9.0 1.6 1.7 0.5 8.5 22.4 7.1 38.0 0
<:."t
12121/88 12127/88 2.39 4.2 5.6 12.1 9.5 5.6 27.2 ~
12127/88 01/19/89 1.40 3.6 1.1 23.0 5.8 3.5 1.0 2.5 1.3 6.0 9.8 l',)
Q
01119189 02101189 0.38 3.7 3.0 19.0 4.9 0.9 0.8 8.2 5.3 11.9 25.4
02101/89 02114/89 2.37 2.5 1.5 18.0 3.3 2.6 0.1 2.1 2.5 3.7 4.8 27.6 11.0 43.0
02114/89 02128189 0.66 4.9 57.5 16.6 73.9 m.9 224.4
02128/89 03/30/89 1.73 74.6 0.0 64.9 136.8 209.0 410.7
03/30/89 04/11/89 0.51 2.5 1.7 9.5 1.6 2.2 0.1 4.3 7.3 7.7 3.7 19.4 18.7 1.8
04/11/89 05/03/89 0.16 11.3 0.3 59.9 11.5 13.0 1.5 7.1 24.7 25.8 57.6
05/03/89 05/18189 0.25 12.1 0.4 47.4 11.5 9.6 1.5 8.7 26.0 32.5 67.2
06/01/89 06117/89 1.11 9.1 0.6 33.4 9.0 5.7 1.0 17.8 6.5 21.3 21.9 67.5 49.7 15.2
06/17/89 07120/89 0.31 18.3 0.2 89.8 20.6 19.6 4.1 16.1 49.7 41.4 107.2
07/20/89 08/29/89 1.66 9.7 9.3 13.0 2.5 35 2.8 15.0 3.4 22.3 17.5 46.1 43.2 3.2
08/29/89 09121/89 1.53 6.9 5.9 18.0 3.3 2.2 0.1 6.4 4.8 19.5 12.9 35.9 37.2 -1.8
09121/89 10/10/89 0.10 38.1 0.0 8.7 14.4 21.9 45.0
10/10/89 11/01/89 1.28 4.6 4.3 7.5 1.6 2.2 0.3 7.1 1.1 7.4 10.0 23.0 18.5 10.8
\1121189 12106189 1.37 8.5 0.3 44.9 10.7 3.0 0.8 2.0 21.9 \4.6 38.5
12/06189 12121/89 0.52 3.8 1.8 14.0 2.5 1.7 0.3 \.4 7.1 6.9 15.4
12/21189 01/03/90 0.17 5.8 6.5 3.4 13.5 8.3 25.2
01/03/90 01/18/90 0.93 5.6 7.4 8.5 0.8 3.0 0.3 8.6 \.1 8.1 10.0 28.6 19.2 19.7
01/18190 01129/90 0.26 24.9 0.0
01129190 03/01/90 2.55 13.8 0.1 99.8 20.6 4.3 1.5 2.1 2.8 9.0 128.4
."
'" 03/01190 03/15190 2.60 9.0 0.2 74.9 14.0 3.5 12.8 9.3 3.9 14.6 114.7
!'1 03/15190 03/29/90 0.38 16.3 1.9 9.3 32.4 33.3 75.0
"
::; 03129/90 04/09/90 0.76 10.0 11.5 10.5 1.6 2.2 0.3 17.1 2.1 19.4 43.2
~ 04/09/90 04/25/90 0.65 7.0 1.4 25.0 4.9 3.0 2.6 16.4 2.0 21.4 53.3
0
z 04/25/90 05/09/90 0.15
0
~ 05/09/90 05/30/90 0.81 7.1 0.5 34.9 6.6 5.2 1.5 7.9 7.1 15.4 56.6
J> 05130190 06119190 1.38 6.2 1.5 16.5 3.3 2.6 1.0 16.4 4.5 16.5 15.6 41.3 36.6 6.0
- 06/19/90 07/10/90 2.16 6.2 0.7 25.0 5.8 2.2 1.0 14.3 49.0
'"