Conservation

2024 Water Year Report

Above-average rainfall through the winter kept our water levels above the usual expected range.

Bar graph showing rainfall amounts for the month of May each year from 2004 through 2024
The average amount of rainfall recorded at the Sanctuary during the month of May over the past 20 years is 4.1 inches. This May we recorded 1.5 inches.
Bar graph showing monthly rainfall amounts for 2024 compared to average.
Bar graph showing monthly rainfall amounts for 2024 compared to average.

Above-average rainfall through the winter kept our water levels above the usual expected range and extended the time when water pooled on the ground. Despite this rainy winter, the total rainfall recorded this year was 13 inches lower than the average since 2000. Higher-than-average rainfall in winter and early spring resulted in a delayed dry-down on May 30, 2024. The average dry-down date, or when the water level gauge at the Lettuce Lakes reads "0," is typically April 10. 

Line graph showing water levels for 2024 compared to averages since 2000.
Water level graph shows the average range (gray shaded area) since the year 2000, with water year 2024 water level in red.

Above-average rainfall through the winter kept water levels above our usual expected range but once the rain slowed down, our dry-down rate was similar to what we’ve seen in the past. 

The delayed dry-down date and increased hydroperiods mean that prey (fish, crayfish, aquatic invertebrates) will be concentrated for a shorter amount of time and will have higher survival rates going into the wet season. 

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