Dreamflows Trinity - Lewiston Dam Release Schedule

Dreamflows Trinity - Lewiston Dam Release Schedule - 2012

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Releases From Lewiston Dam - Historical - 2012

In the tables that follow, each date is color-coded according to the kind of release scheduled for that day:

Color	Meaning
	Scheduled release: 300 cfs below Lewiston Dam all day.
	Scheduled release: 450 cfs below Lewiston Dam all day.
	Scheduled release: 500 cfs or more below Lewiston Dam all day.
	Ramping up/down from Lewiston during the day.

Note: All information provided by U.S. Bureau of Reclamation.

January 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
1300 cfs all day	2300 cfs all day	3300 cfs all day	4300 cfs all day	5300 cfs all day	6300 cfs all day	7300 cfs all day
8300 cfs all day	9300 cfs all day	10300 cfs all day	11300 cfs all day	12300 cfs all day	13300 cfs all day	14300 cfs all day
15300 cfs all day	16300 cfs all day	17300 cfs all day	18300 cfs all day	19300 cfs all day	20300 cfs all day	21300 cfs all day
22300 cfs all day	23300 cfs all day	24300 cfs all day	25300 cfs all day	26300 cfs all day	27300 cfs all day	28300 cfs all day
29300 cfs all day	30300 cfs all day	31300 cfs all day

February 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
			1300 cfs all day	2300 cfs all day	3300 cfs all day	4300 cfs all day
5300 cfs all day	6300 cfs all day	7300 cfs all day	8300 cfs all day	9300 cfs all day	10300 cfs all day	11300 cfs all day
12300 cfs all day	13300 cfs all day	14300 cfs all day	15300 cfs all day	16300 cfs all day	17300 cfs all day	18300 cfs all day
19300 cfs all day	20300 cfs all day	21300 cfs all day	22300 cfs all day	23300 cfs all day	24300 cfs all day	25300 cfs all day
26300 cfs all day	27300 cfs all day	28300 cfs all day	29300 cfs all day

March 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
				1300 cfs all day	2300 cfs all day	3300 cfs all day
4300 cfs all day	5300 cfs all day	6300 cfs all day	7300 cfs all day	8300 cfs all day	9300 cfs all day	10300 cfs all day
11300 cfs all day	12300 cfs all day	13300 cfs all day	14300 cfs all day	15300 cfs all day	16300 cfs all day	17300 cfs all day
18300 cfs all day	19300 cfs all day	20300 cfs all day	21300 cfs all day	22300 cfs all day	23300 cfs all day	24300 cfs all day
25300 cfs all day	26300 cfs all day	27300 cfs all day	28300 cfs all day	29300 cfs all day	30300 cfs all day	31300 cfs all day

April 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
1300 cfs all day	2300 cfs all day	3300 cfs all day	4300 cfs all day	5300 cfs all day	6300 cfs all day	7300 cfs all day
8300 cfs all day	9300 cfs all day	10300 cfs all day	11300 cfs all day	12300 cfs all day	13300 cfs all day	14300 cfs all day
15300 cfs all day	16300 cfs all day	17300 cfs all day	18300 cfs all day	19300 cfs all day	20300 cfs all day	21Ramping up to 500 cfs
22500 cfs all day	23500 cfs all day	24500 cfs all day	25500 cfs all day	26500 cfs all day	27500 cfs all day	28Ramping up to 2000 cfs
29Ramping up to 2500 cfs	302500 cfs all day

May 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
		12500 cfs all day	22500 cfs all day	32500 cfs all day	42500 cfs all day	5Ramping up to 4000 cfs
6Ramping up to 6000 cfs	76000 cfs all day	86000 cfs all day	96000 cfs all day	10Ramping down to 5000 cfs	11Ramping down to 4500 cfs	124500 cfs all day
134500 cfs all day	144500 cfs all day	154500 cfs all day	16Ramping down to 4380 cfs	17Ramping down to 4270 cfs	18Ramping down to 4160 cfs	19Ramping down to 4050 cfs
20Ramping down to 3940 cfs	21Ramping down to 3830 cfs	22Ramping down to 3720 cfs	23Ramping down to 3630 cfs	24Ramping down to 3550 cfs	25Ramping down to 3500 cfs	263500 cfs all day
273500 cfs all day	283500 cfs all day	29Ramping down to 3420 cfs	30Ramping down to 3320 cfs	31Ramping down to 3220 cfs

June 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
					1Ramping down to 3130 cfs	2Ramping down to 3040 cfs
3Ramping down to 2950 cfs	4Ramping down to 2860 cfs	5Ramping down to 2770 cfs	6Ramping down to 2680 cfs	7Ramping down to 2600 cfs	8Ramping down to 2550 cfs	9Ramping down to 2500 cfs
102500 cfs all day	112500 cfs all day	122500 cfs all day	132500 cfs all day	14Ramping down to 2440 cfs	15Ramping down to 2360 cfs	16Ramping down to 2280 cfs
17Ramping down to 2200 cfs	18Ramping down to 2130 cfs	19Ramping down to 2060 cfs	20Ramping down to 2000 cfs	212000 cfs all day	222000 cfs all day	232000 cfs all day
242000 cfs all day	252000 cfs all day	262000 cfs all day	27Ramping down to 1940 cfs	28Ramping down to 1880 cfs	29Ramping down to 1820 cfs	30Ramping down to 1770 cfs

July 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
1Ramping down to 1710 cfs	2Ramping down to 1660 cfs	3Ramping down to 1610 cfs	4Ramping down to 1560 cfs	5Ramping down to 1500 cfs	6Ramping down to 1460 cfs	7Ramping down to 1410 cfs
8Ramping down to 1360 cfs	9Ramping down to 1310 cfs	10Ramping down to 1250 cfs	11Ramping down to 1200 cfs	12Ramping down to 1150 cfs	13Ramping down to 1100 cfs	14Ramping down to 1050 cfs
15Ramping down to 1000 cfs	16Ramping down to 950 cfs	17Ramping down to 900 cfs	18Ramping down to 850 cfs	19Ramping down to 800 cfs	20Ramping down to 750 cfs	21Ramping down to 700 cfs
22Ramping down to 650 cfs	23Ramping down to 600 cfs	24Ramping down to 550 cfs	25Ramping down to 500 cfs	26Ramping down to 450 cfs	27450 cfs all day	28450 cfs all day
29450 cfs all day	30450 cfs all day	31450 cfs all day

August 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
			1450 cfs all day	2450 cfs all day	3450 cfs all day	4450 cfs all day
5450 cfs all day	6450 cfs all day	7450 cfs all day	8450 cfs all day	9450 cfs all day	10450 cfs all day	11450 cfs all day
12450 cfs all day	13Ramping up to 950 cfs	14950 cfs all day	15Change to 1050 cfs at 10am	161050 cfs all day	17Change to 1000 cfs at 9am	181000 cfs all day
191000 cfs all day	201000 cfs all day	211000 cfs all day	221000 cfs all day	231000 cfs all day	241000 cfs all day	251000 cfs all day
261000 cfs all day	27Change to 1050 cfs at 9am	281050 cfs all day	291050 cfs all day	301050 cfs all day	31Ramping up to 1450 cfs

September 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
						1Ramping down to 1050 cfs
21050 cfs all day	31050 cfs all day	4Change to 950 cfs at noon	5Change to 850 cfs at noon	6Change to 800 cfs at 10am	7Change to 850 cfs at 3pm	8850 cfs all day
9850 cfs all day	10Change to 900 cfs at 10am	11900 cfs all day	12900 cfs all day	13900 cfs all day	14Change to 950 cfs at 10am	15950 cfs all day
16950 cfs all day	17950 cfs all day	18Ramping down to 550 cfs	19Change to 450 cfs at 1am	20450 cfs all day	21450 cfs all day	22450 cfs all day
23450 cfs all day	24450 cfs all day	25450 cfs all day	26450 cfs all day	27450 cfs all day	28450 cfs all day	29450 cfs all day
30450 cfs all day

October 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1450 cfs all day	2450 cfs all day	3450 cfs all day	4450 cfs all day	5450 cfs all day	6450 cfs all day
7450 cfs all day	8450 cfs all day	9450 cfs all day	10450 cfs all day	11450 cfs all day	12450 cfs all day	13450 cfs all day
14450 cfs all day	15450 cfs all day	16Change to 400 cfs at 1am	17Change to 350 cfs at 1am	18Change to 300 cfs at 1am	19300 cfs all day	20300 cfs all day
21300 cfs all day	22300 cfs all day	23300 cfs all day	24300 cfs all day	25300 cfs all day	26300 cfs all day	27300 cfs all day
28300 cfs all day	29300 cfs all day	30300 cfs all day	31300 cfs all day

November 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
				1300 cfs all day	2300 cfs all day	3300 cfs all day
4300 cfs all day	5300 cfs all day	6300 cfs all day	7300 cfs all day	8300 cfs all day	9300 cfs all day	10300 cfs all day
11300 cfs all day	12300 cfs all day	13300 cfs all day	14300 cfs all day	15300 cfs all day	16300 cfs all day	17300 cfs all day
18300 cfs all day	19300 cfs all day	20300 cfs all day	21300 cfs all day	22300 cfs all day	23300 cfs all day	24300 cfs all day
25300 cfs all day	26300 cfs all day	27300 cfs all day	28300 cfs all day	29300 cfs all day	30300 cfs all day

December 2012
Sun	Mon	Tue	Wed	Thu	Fri	Sat
						1300 cfs all day
2300 cfs all day	3300 cfs all day	4300 cfs all day	5300 cfs all day	6300 cfs all day	7300 cfs all day	8300 cfs all day
9300 cfs all day	10300 cfs all day	11300 cfs all day	12300 cfs all day	13300 cfs all day	14300 cfs all day	15300 cfs all day
16300 cfs all day	17300 cfs all day	18300 cfs all day	19300 cfs all day	20300 cfs all day	21300 cfs all day	22300 cfs all day
23300 cfs all day	24300 cfs all day	25300 cfs all day	26300 cfs all day	27300 cfs all day	28300 cfs all day	29300 cfs all day
30300 cfs all day	31300 cfs all day

Water Management Issues:

1. The Native American Boat Dance was not held this year (they are held only in odd-numbered years).

2. Times reflect releases from Lewiston Dam, and it is assumed that it takes approximately 12 hours for the water to get to Pigeon Point and 20 hours to get to Cedar Flat. This is a good rule of thumb, though the actual flow travel time is flow dependent (the higher the flow, the less time it takes). Here are some approximate observed numbers:

Lewiston Release	Time to Pigeon Point	Time to Cedar Flat
500 cfs	13 hours	24 hours
1000 cfs	12 hours	20 hours
1500 cfs	10 hours	14 hours
3000 cfs	9 hours	13 hours

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