Fena Dam Spillway near Agat, Guam water level

What this means

Fena Dam Spillway near Agat, Guam is at 0.23 ft, in the normal range for mid-October.

The median for mid-October is 0.26 ft, based on 7 years of readings, so the lake level is 0.03 ft below typical. On the same day last year the reading was 0.31 ft, a difference of −0.08 ft.

It has dropped 0.29 ft over the past 24 hours. In the last month it has stayed between 0.16 ft and 0.96 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date

0.26 ft0.03 ft below the median for this date

Normal for this date

0.14 ft – 0.56 ft8 years in 10 fall in this range (7 years of records)

Same day last year

0.31 ft−0.08 ft

Lowest and highest in 30 days

0.16 ft – 0.96 ft

Lowest and highest in 12 months

0.02 ft – 2.21 ft