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Condition Monitoring Report  
Station Number: ID-AD-9
Station Name: Boise 2.1 NNE
Report Date: 4/19/2026
Submitted: 4/19/2026 8:42 AM
Scale Bar: Mildly Wet
Description:
April 13 - 19, 2026: A total of 2.02" precip. during the past 7 days--- 0.93" measured on 4-13; 0.58" on 4-14; and 0.50" on 4-16. A series of cold fronts moved through the area with wind, light to heavy rain, and occasional squalls with graupel, hail, thunder, and lightening. Overnight temperatures dropping during the week from 40's to 28° on Friday 4-17. Daytime and overnight temperatures are slowly increasing since Friday AM, but the hard frost that morning has probably killed the first set of leaves on our Japanese maple tree and trumpet vine.. Other perennial plants in the yard and garden have survived, helped by all the soaking rain earlier in the week, but may be losing blooms faster than usual. Birds are very active in the feeders. Anna's hummingbirds are still in the area and black chinned hummers have not showed up yet. Garden and yard plants are several weeks ahead of normal seasonal growth. Feet of snow were deposited on highest elevations in central Idaho and Boise foothills. Most of that snow on mid-range elevations has melted, but peaks are still white. Reservoirs in the upper Boise basin are all nearly full. Water is being held back this spring in anticipation of a very hot and dry late spring, summer, and fall and the need to try to provide late season irrigation water to downstream irrigators. Concerns are that the reservoirs may be drawn down to stream flow by late summer. Wildland fire season probably will begin early, last longer than normal, and be intense throughout Idaho, the West, and Canada.
Categories: General Awareness
Agriculture
Fire
Plants & Wildlife
Water Supply & Quality