Year-round, All years

Sonny Bono Salton Sea NWR--Union Tract / Visitor Center

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January February March April May June July August September October November December
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Weekly frequency data

Last seen: 16 Jun 1985 by Brian Daniels

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January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:2.7% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:5.9% Week4Frequency:0% Week1Frequency:0.1% Week2Frequency:3.2% Week3Frequency:0.1% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0.1% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:3.1% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 21 Jun 2008 by Jay Keller

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January February March April May June July August September October November December
Week1Frequency:77.8% Week2Frequency:79.5% Week3Frequency:77% Week4Frequency:71.9% Week1Frequency:61.9% Week2Frequency:64.2% Week3Frequency:57.9% Week4Frequency:50.6% Week1Frequency:42.7% Week2Frequency:33.8% Week3Frequency:14.9% Week4Frequency:22.2% Week1Frequency:17.4% Week2Frequency:11.1% Week3Frequency:3.3% Week4Frequency:4.4% Week1Frequency:2.8% Week2Frequency:2.7% Week3Frequency:0% Week4Frequency:3.6% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:20% Week1Frequency:42.1% Week2Frequency:60.9% Week3Frequency:73.2% Week4Frequency:71.7% Week1Frequency:69.2% Week2Frequency:71.8% Week3Frequency:57.6% Week4Frequency:77.1%
Weekly frequency data

Last seen: 1 Apr 2021 by Donna Marciano

© Hanna Kallwass
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January February March April May June July August September October November December
Week1Frequency:46.7% Week2Frequency:38.6% Week3Frequency:50.6% Week4Frequency:41.7% Week1Frequency:28.6% Week2Frequency:26.3% Week3Frequency:29.5% Week4Frequency:20.2% Week1Frequency:9% Week2Frequency:10.8% Week3Frequency:3% Week4Frequency:5.6% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0.1% Week4Frequency:2.9% Week1Frequency:13.2% Week2Frequency:26.1% Week3Frequency:41.5% Week4Frequency:43.4% Week1Frequency:33.3% Week2Frequency:30.8% Week3Frequency:40.7% Week4Frequency:44.1%
Weekly frequency data

Last seen: 2 Mar 2021 by Rebecca Cockrum

© Jon Isacoff
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January February March April May June July August September October November December
Week1Frequency:1.1% Week2Frequency:2.3% Week3Frequency:2.3% Week4Frequency:5.8% Week1Frequency:3.6% Week2Frequency:2.1% Week3Frequency:0% Week4Frequency:0% Week1Frequency:3.4% Week2Frequency:4.6% Week3Frequency:0% Week4Frequency:2.2% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:2.6% Week2Frequency:2.2% Week3Frequency:4.9% Week4Frequency:3.8% Week1Frequency:2.6% Week2Frequency:7.7% Week3Frequency:1.7% Week4Frequency:4.2%
Weekly frequency data

Last seen: 13 Feb 2021 by Connor Cochrane

© Chris Dean
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January February March April May June July August September October November December
Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:2.2% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0.1% Week1Frequency:2.8% Week2Frequency:5.4% Week3Frequency:0% Week4Frequency:3.6% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:3.6% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:3.6% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:2.7% Week4Frequency:2.9% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0% Week1Frequency:0% Week2Frequency:0% Week3Frequency:0% Week4Frequency:0%
Weekly frequency data

Last seen: 6 Apr 2019 by Casey Weissburg

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