The dryness may curtail grazing and irrigation in 2021, and could result in downstream water calls in 2022.
BLM warns some ranchers that grazing may be curtailed in the upcoming season.
The water content of the snowpack across Wyoming increased in the last week of December but remains below normal at 75% of the average.
Sensors show diminution from 100% two weeks ago as abnormally dry conditions emerge in north-central, southwest Wyoming.
Drainages hold 108 percent of median water content statewide following first measurement of spring.