ARKANSAS RIVER BASIN

07096000 ARKANSAS RIVER AT CANON CITY, CO-Continued

WATER-QUALITY RECORDS

PERIOD OF RECORD.--November 1963 to September 1968, October 1970 to January 1977, April 1990 to March 1993, October 1993 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=07096000

PERIOD OF DAILY RECORD.--

SPECIFIC CONDUCTANCE: December 1993 to current year.

WATER TEMPERATURE: October 1993 to current year.

INSTRUMENTATION.--Water-quality monitor with satellite telemetry.

REMARKS.--Daily specific-conductance records are fair. Daily water-temperature records are good.

EXTREMES FOR PERIOD OF DAILY RECORD.--

SPECIFIC CONDUCTANCE: Maximum, 739 microsiemens/cm, Aug. 16, 2000; minimum, 94 microsiemens/cm, June 9, 1996.

WATER TEMPERATURE: Maximum, 25.7°C, July 12, 2002; minimum, 0.0°C, on many days.

EXTREMES FOR CURRENT YEAR.--

SPECIFIC CONDUCTANCE: Maximum, 570 microsiemens/cm, May 25; minimum, 112 microsiemens/cm, June 3-4.

WATER TEMPERATURE: Maximum, 23.6°C, July 19; minimum, 0.0 °C, on many days.

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius 

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

DAY	MAX	MIN	MEAN	MAX	MIN	MEAN	MAX	MIN	MEAN	MAX	MIN	MEAN
	OCTOBER			NOVEMBER			DECEMBER			JANUARY
1	299	292	295	283	277	280	294	282	288	284	272	278
2	295	284	288	286	277	280	293	281	287	288	280	284
3	286	281	283	284	279	280	295	283	289	289	277	283
4	290	284	286	285	279	282	298	286	293	290	277	282
5	290	286	287	287	279	284	299	291	294	279	265	269
6	287	282	284	291	282	287	302	289	294	265	253	259
7	288	282	285	298	285	292	301	286	292	260	251	256
8	295	284	288	304	291	297	303	286	294	270	260	264
9	302	291	296	303	296	299	308	288	297	277	270	273
10	302	295	299	299	284	290	309	295	301	295	275	285
11	299	292	296	284	277	282	306	293	301	294	280	288
12	304	295	298	288	276	283	305	294	299	293	282	288
13	309	300	304	288	277	282	306	292	299	288	278	285
14	311	302	307	300	279	290	303	286	295	286	281	284
15	311	301	306	292	279	288	295	282	288	289	273	283
16	308	301	305	285	276	280	289	285	287	286	276	281
17	307	299	303	286	275	279	292	286	288	291	283	286
18	308	299	304	292	276	285	297	287	292	303	284	298
19	310	303	307	292	282	288	300	291	295	308	287	298
20	308	296	301	291	280	285	313	300	308	299	278	290
21	302	296	299	298	279	290	323	311	316	288	276	283
22	301	293	297	302	284	293	327	310	318	288	275	283
23	298	287	291	292	281	286	318	301	310	287	275	281
24	294	289	291	291	278	285	316	306	311	287	278	283
25	291	284	287	289	279	284	316	304	310	288	282	284
26	286	281	283	289	279	283	324	309	317	286	281	283
27	285	278	282	290	278	285	333	307	321	288	283	285
28	286	278	283	294	279	287	323	302	313	290	284	288
29	285	275	281	293	281	288	309	289	300	290	286	287
30	284	274	280	289	280	285	294	274	286	287	282	284
31	284	279	281	---	---	---	284	277	281	291	283	287
MONTH	311	274	293	304	275	286	333	274	299	308	251	282
	FEBRUARY			MARCH			APRIL			MAY
1	294	288	290	291	282	287	316	307	312	276	258	263
2	291	288	289	293	282	287	319	309	314	276	254	271
3	289	285	287	299	288	293	341	315	326	282	270	277
4	286	279	283	301	291	295	340	325	332	275	265	273
5	290	278	284	305	290	297	330	319	325	287	264	270
6	297	278	290	306	293	298	334	323	328	273	263	268
7	318	297	309	304	295	299	343	330	334	270	262	267
8	319	308	314	309	295	303	341	329	335	272	263	268
9	320	312	316	309	301	305	340	331	336	274	264	268
10	324	299	314	309	300	305	341	328	335	273	262	267
11	308	292	301	313	302	308	329	318	322	269	258	264
12	306	287	298	318	305	311	322	305	316	272	260	265
13	290	270	282	318	309	314	310	298	305	267	259	263
14	276	263	267	324	307	315	302	293	297	266	256	262
15	290	264	275	325	305	317	297	276	290	279	256	262
16	300	290	296	338	312	318	290	277	281	256	250	254
17	304	295	300	346	323	331	282	276	279	252	230	239
18	305	298	301	328	313	321	297	277	284	234	225	228
19	302	291	298	327	313	321	290	282	287	241	219	227
20	306	299	302	346	308	319	287	277	283	242	200	232
21	310	298	303	353	332	337	293	272	280	233	206	221
22	314	299	306	355	334	343	285	271	278	275	232	250
23	310	295	303	363	345	351	283	270	278	392	275	317
24	306	295	301	368	343	354	276	260	267	563	326	429
25	315	300	307	367	346	353	265	252	262	570	347	472
26	311	281	299	356	345	350	274	262	268	419	332	367
27	294	274	286	347	332	340	268	256	262	440	305	407
28	290	285	288	343	327	332	268	260	263	305	142	222
29	---	---	---	332	316	321	287	260	280	142	135	140
30	---	---	---	323	309	314	283	266	272	156	119	131
31	---	---	---	314	307	310	---	---	---	127	119	122
MONTH	324	263	296	368	282	318	343	252	298	570	119	267
	JUNE			JULY			AUGUST			SEPTEMBER
1	121	118	120	198	176	187	258	211	226	300	293	297
2	121	118	119	176	170	173	242	212	229	294	290	292
3	120	112	116	195	174	183	237	212	224	292	288	290
4	120	112	117	189	180	184	235	217	227	293	280	286
5	130	119	124	209	186	194	234	221	229	292	286	289
6	135	130	132	212	208	210	237	227	233	295	285	289
7	143	134	137	216	211	213	250	235	245	295	290	292
8	152	142	146	218	202	210	254	238	243	295	285	291
9	157	152	155	231	196	216	257	233	246	292	282	286
10	159	147	154	231	223	227	300	257	278	282	276	279
11	148	139	143	242	225	231	313	279	300	277	260	269
12	139	132	136	241	237	238	279	248	263	261	254	256
13	134	130	132	240	236	238	289	261	277	256	251	254
14	149	128	134	237	211	227	292	273	284	254	248	251
15	146	143	145	212	197	202	292	276	285	252	249	250
16	145	141	143	201	197	199	319	283	299	268	249	257
17	142	128	134	219	195	203	329	319	324	276	256	262
18	158	132	140	208	192	203	336	324	332	287	276	279
19	248	142	166	192	183	186	335	324	329	291	279	285
20	213	154	171	216	183	191	327	317	323	285	267	275
21	165	158	163	210	188	194	323	306	314	268	265	267
22	162	158	160	213	192	201	322	309	318	268	259	262
23	160	151	155	214	188	196	359	307	319	268	259	263
24	151	139	147	197	193	195	345	289	321	275	267	269
25	166	149	156	198	190	193	300	287	294	287	275	279
26	175	166	171	240	190	197	297	275	289	297	287	293
27	202	174	180	211	188	195	297	266	283	306	297	302
28	200	192	198	212	186	193	292	271	282	317	303	311
29	200	197	199	302	190	197	292	269	280	320	315	318
30	206	195	198	237	184	216	279	269	274	322	317	319
31	---	---	---	230	220	225	296	269	279	---	---	---
MONTH	248	112	150	302	170	204	359	211	279	322	248	280
YEAR	570	112	271

Temperature, water, degrees Celsius 

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

DAY	MAX	MIN	MEAN	MAX	MIN	MEAN	MAX	MIN	MEAN	MAX	MIN	MEAN
	OCTOBER			NOVEMBER			DECEMBER			JANUARY
1	14.8	11.8	13.5	3.1	1.6	2.3	2.1	0.3	1.1	0.5	0.0	0.1
2	13.5	10.8	12.0	4.2	1.8	3.0	2.3	0.6	1.4	0.4	0.0	0.1
3	12.7	10.0	11.0	5.8	3.3	4.2	2.0	1.4	1.7	0.4	0.0	0.1
4	12.3	9.2	10.7	5.4	3.5	4.3	2.4	1.3	1.9	0.6	0.0	0.2
5	13.1	9.7	11.2	5.3	3.4	4.2	2.3	0.9	1.5	0.6	0.0	0.2
6	12.9	10.2	11.5	5.5	3.0	4.1	1.5	0.1	0.6	1.0	0.1	0.3
7	14.0	10.3	12.1	5.5	3.2	4.4	1.0	0.0	0.3	1.2	0.0	0.3
8	14.4	10.7	12.5	6.4	3.8	5.1	1.1	0.0	0.3	1.7	0.0	0.4
9	15.0	11.5	13.2	8.0	5.5	6.5	0.5	0.0	0.1	0.8	0.0	0.1
10	14.7	11.0	12.9	6.3	4.4	5.4	0.5	0.0	0.1	0.3	0.0	0.0
11	14.1	10.5	12.3	4.8	2.6	3.7	0.2	0.0	0.1	0.1	0.0	0.1
12	13.4	10.5	11.5	3.5	1.2	2.3	0.1	0.0	0.1	0.6	0.0	0.1
13	12.3	8.3	10.2	4.2	2.0	3.2	0.2	0.0	0.1	0.9	0.0	0.2
14	12.6	8.5	10.1	4.9	3.4	4.1	0.5	0.0	0.1	0.9	0.0	0.2
15	11.4	7.6	9.4	4.7	2.8	3.9	0.8	0.0	0.2	1.5	0.0	0.3
16	10.8	7.4	8.9	3.3	1.6	2.4	1.0	0.0	0.2	0.7	0.0	0.1
17	10.7	6.7	8.6	3.8	1.9	2.7	1.4	0.0	0.5	0.5	0.0	0.1
18	11.2	7.3	9.0	3.9	2.0	2.8	0.8	0.0	0.3	0.1	0.0	0.0
19	10.6	7.3	8.9	3.6	1.8	2.6	0.5	0.0	0.1	0.2	0.0	0.0
20	10.7	7.3	8.8	4.0	2.0	2.9	0.2	0.0	0.1	0.7	0.0	0.2
21	10.6	7.4	8.8	4.4	2.3	3.3	0.2	0.0	0.0	1.0	0.0	0.2
22	9.9	7.4	8.5	4.6	2.7	3.5	0.1	0.0	0.0	0.2	0.0	0.0
23	7.8	6.1	6.8	4.5	2.9	3.6	0.1	0.0	0.1	0.9	0.0	0.2
24	6.9	5.6	6.2	3.5	1.5	2.6	0.1	0.0	0.0	2.3	0.1	1.3
25	8.4	5.7	7.0	2.5	1.2	1.7	0.1	0.0	0.1	3.3	1.2	2.1
26	8.5	6.5	7.6	1.7	0.0	1.0	0.1	0.0	0.1	2.8	0.7	1.8
27	9.0	7.0	8.1	0.6	0.0	0.1	0.2	0.0	0.1	4.5	2.2	3.3
28	10.2	7.5	8.6	0.7	0.0	0.2	0.1	0.0	0.1	4.4	2.4	3.4
29	8.5	5.1	7.1	1.3	0.1	0.5	0.1	0.0	0.1	4.3	2.7	3.3
30	5.1	3.1	4.2	1.5	0.0	0.5	0.4	0.0	0.1	4.0	2.0	3.1
31	3.1	2.0	2.6	---	---	---	0.3	0.0	0.1	4.8	2.5	3.8
MONTH	15.0	2.0	9.5	8.0	0.0	3.0	2.4	0.0	0.4	4.8	0.0	0.8
	FEBRUARY			MARCH			APRIL			MAY
1	5.4	3.3	4.3	4.3	1.6	2.8	13.9	8.1	10.9	15.6	12.2	13.8
2	6.2	4.0	4.9	5.4	1.8	3.4	13.1	8.9	10.9	15.7	11.8	13.8
3	4.9	2.7	3.8	5.9	2.4	4.1	11.2	7.2	9.2	17.3	12.4	14.7
4	3.0	1.2	2.0	4.6	1.6	3.1	10.8	6.8	8.5	15.5	12.3	13.6
5	1.8	0.1	1.1	4.1	0.8	2.1	7.9	6.1	7.1	15.8	11.1	13.3
6	0.3	0.0	0.1	5.7	1.6	3.6	10.3	6.5	8.0	15.4	11.5	13.5
7	0.2	0.0	0.1	7.3	3.3	5.3	9.0	6.0	7.5	15.8	12.0	13.7
8	0.2	0.0	0.1	8.4	4.9	6.5	10.9	4.6	7.6	15.6	11.7	13.6
9	0.1	0.0	0.1	9.1	5.4	7.2	12.9	6.2	9.4	16.0	11.2	13.4
10	0.3	0.0	0.1	9.4	5.7	7.5	14.3	8.1	11.0	12.8	11.0	11.9
11	0.2	0.0	0.1	10.2	6.2	8.1	15.2	9.9	12.3	15.6	9.8	12.5
12	0.5	0.0	0.2	10.6	7.1	8.7	13.9	10.1	12.0	17.3	11.4	14.2
13	0.8	0.1	0.3	11.3	7.0	9.0	15.6	9.8	12.5	17.3	12.7	15.1
14	2.0	0.1	1.1	11.9	7.8	10.0	14.0	11.5	12.8	17.1	13.5	15.3
15	2.7	1.0	1.6	11.7	8.5	10.2	13.4	10.4	11.9	17.3	14.5	15.4
16	4.0	2.3	3.2	10.2	8.5	9.3	14.3	9.0	11.2	18.9	13.4	15.9
17	5.6	2.7	4.0	9.3	6.5	7.9	13.5	10.0	11.9	19.1	15.5	17.3
18	5.0	3.4	4.5	6.5	4.5	5.7	14.9	10.1	12.3	19.0	15.5	17.0
19	4.7	2.0	3.3	6.0	3.9	4.6	12.7	10.3	11.2	16.5	13.7	14.5
20	4.8	2.3	3.4	7.4	2.9	5.4	12.9	9.1	10.9	14.2	10.9	12.1
21	4.9	2.0	3.2	7.5	5.9	6.6	13.6	10.6	11.8	15.1	9.8	12.5
22	4.6	1.8	3.1	10.5	4.8	7.6	14.4	10.8	12.6	17.7	13.6	15.7
23	3.0	1.2	2.1	11.9	7.1	9.4	13.4	8.9	11.5	18.5	15.8	17.3
24	1.2	0.0	0.2	11.9	7.7	9.8	13.3	8.0	10.2	18.0	15.5	17.0
25	0.1	0.0	0.1	12.8	8.8	10.6	15.1	8.7	11.7	17.0	15.5	16.2
26	0.5	0.0	0.1	11.7	8.4	10.1	17.1	11.7	14.2	15.8	13.3	14.8
27	2.5	0.0	0.9	10.6	6.7	8.6	16.4	12.4	14.2	16.4	14.0	15.3
28	3.3	1.9	2.7	7.6	4.6	6.2	16.0	12.6	14.4	17.3	14.3	15.9
29	---	---	---	8.1	3.6	5.7	17.7	13.0	15.1	16.6	14.9	15.8
30	---	---	---	9.5	3.6	6.6	17.2	12.9	14.6	16.0	13.9	15.1
31	---	---	---	11.9	6.3	8.0	---	---	---	14.8	13.5	14.2
MONTH	6.2	0.0	1.8	12.8	0.8	6.9	17.7	4.6	11.3	19.1	9.8	14.7
	JUNE			JULY			AUGUST			SEPTEMBER
1	14.5	12.6	13.5	20.4	18.1	19.4	20.2	18.3	19.3	21.6	17.9	19.4
2	15.3	12.3	13.8	21.2	18.1	19.8	22.1	18.5	20.1	22.0	18.1	19.9
3	15.7	13.1	14.5	21.9	18.4	20.3	23.0	19.6	21.2	19.8	17.4	18.8
4	15.7	14.1	15.0	21.6	18.6	20.1	22.4	20.2	21.3	20.1	15.9	18.0
5	15.1	12.8	13.5	21.3	18.8	20.1	22.8	19.9	21.3	20.3	17.3	18.8
6	15.0	11.9	13.3	21.1	18.6	19.8	22.3	19.6	21.0	21.2	18.0	18.9
7	14.0	11.9	12.8	21.0	16.6	18.9	21.9	19.6	20.7	18.5	17.3	18.0
8	16.5	12.6	14.4	21.8	17.5	19.7	21.8	19.8	20.8	19.3	15.7	17.5
9	16.8	14.8	15.9	22.0	18.8	20.4	22.0	20.0	21.0	17.9	15.8	17.0
10	16.1	14.6	15.5	22.7	18.2	20.5	21.7	19.8	20.7	16.6	14.2	15.3
11	17.0	14.1	15.6	21.4	18.5	20.2	22.0	19.2	20.4	14.9	12.3	13.7
12	17.3	14.7	16.2	21.5	18.6	20.1	22.3	19.3	20.7	16.0	12.7	14.3
13	16.8	14.5	15.2	21.6	18.5	20.1	22.6	19.5	21.0	15.6	11.5	13.4
14	16.2	13.3	14.7	21.9	18.4	20.1	22.2	18.9	20.5	14.1	10.0	12.1
15	18.0	14.6	16.4	22.0	18.4	20.0	22.3	18.6	20.4	15.5	12.1	13.8
16	17.3	15.5	16.5	22.0	18.4	20.1	22.3	18.3	20.2	16.2	13.1	14.7
17	16.3	13.9	15.3	22.5	18.5	20.4	21.7	17.9	19.7	17.3	14.1	15.5
18	15.9	13.7	15.0	23.0	19.3	21.2	20.3	18.0	19.2	15.2	12.7	13.9
19	16.8	13.8	15.6	23.6	20.5	21.7	21.2	17.0	19.0	15.1	11.3	13.2
20	16.4	14.3	15.5	22.1	20.0	20.8	22.4	18.4	20.3	15.3	11.9	13.6
21	17.1	13.9	15.7	22.5	18.8	20.5	21.9	19.1	20.7	16.1	12.7	14.3
22	18.2	14.4	16.6	22.4	19.3	20.7	21.7	18.9	20.0	15.9	12.8	14.3
23	18.3	15.0	17.0	20.6	19.1	19.9	21.4	18.4	19.5	16.5	13.1	14.7
24	18.1	15.3	16.9	22.5	19.0	20.6	22.1	18.2	20.0	16.0	12.9	14.4
25	18.3	15.4	17.0	23.1	20.3	21.6	21.0	19.1	19.9	16.8	12.5	14.6
26	18.9	15.8	17.5	23.3	20.2	21.5	20.5	18.7	19.5	16.8	13.0	14.8
27	19.8	16.7	18.3	21.3	19.8	20.4	21.2	17.7	19.3	16.5	13.2	14.6
28	20.9	17.3	18.9	20.3	18.8	19.7	20.0	18.8	19.6	15.9	12.5	14.1
29	19.7	17.1	18.5	21.2	15.6	19.6	20.4	17.0	18.6	15.6	11.5	13.5
30	21.1	17.8	19.4	21.9	15.4	19.4	18.7	17.2	17.8	15.2	12.0	13.4
31	---	---	---	20.9	19.0	19.9	18.2	16.7	17.5	---	---	---
MONTH	21.1	11.9	15.8	23.6	15.4	20.2	23.0	16.7	20.0	22.0	10.0	15.4
YEAR	23.6	0.0	10.0