How full will Lake Shasta, California's largest reservoir, be on 30 September 2025?

Started Jan 03, 2025 06:00PM UTC
Closed Sep 30, 2025 07:01AM UTC
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Water storage in Northern California reservoirs, including Lake Shasta, was above normal as of the end of 2024 (Active NorCal, Newsweek). The question will be suspended on 30 September 2025 and the outcome determined using data as reported by the California Department of Water Resources (California Data Exchange Center - Lake Shasta, divide the "Storage" figure by the "Total Capacity" figure, both of which are in acre feet [AF]). Click the calendar icon next to "Change Date" to look at historical data. On 30 September 2024, Lake Shasta had 2,766,120 AF of Storage with a Total Capacity of 4,552,000 AF, meaning it was 60.767% full.

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The question closed "At least 52.0%, but less than 60.0%" with a closing date of 1 October 2025.

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Possible Answer Correct? Final Crowd Forecast
Less than 28.0% 0%
At least 28.0%, but less than 36.0% 1%
At least 36.0%, but less than 44.0% 1%
At least 44.0%, but less than 52.0% 5%
At least 52.0%, but less than 60.0% 69%
At least 60.0%, but less than 68.0% 13%
At least 68.0%, but less than 76.0% 6%
76.0% or more 5%

Crowd Forecast Profile

Participation Level
Number of Forecasters 58
Average for questions older than 6 months: 160
Number of Forecasts 274
Average for questions older than 6 months: 474
Accuracy
Participants in this question vs. all forecasters average

Most Accurate

Relative Brier Score

1.
-0.13345
2.
-0.124798
5.
-0.041699

Recent Consensus, Probability Over Time

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