Franklin Falls Dam, Pemigewasset River

Franklin Falls Dam, Pemigewasset River
 Drainage Area: 1,000 sq. miles 
 Channel Capacity: 18,000 cfs 
 Storage at Spillway Crest: 2.82 in / 150,600 ac-ft  
 Normal Pool: 307 Feet NGVD 
 Gate Settings for March 22, 2023 07:00 am Gate 1 Gate 2 Gate 3 Gate 4 Gate 5 Gate 6 Gate 7 Gate 8
  10.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0
Date Time (EDT) Pool
(ft)
Storage
(%)
Storage
(ac-ft)
Flow
(cfs)
Inflow
(cfs)
Precip
(in)
Air Temp
(F)
Mar-23 05:30 pm 307.71 0.2 355 1,919 2,109 24.26 43.8
Mar-23 04:30 pm 307.68 0.2 340 1,992 2,074 24.26 43.5
Mar-23 03:30 pm 307.65 0.2 325 1,909 2,021 24.26 42.0
Mar-23 02:30 pm 307.62 0.2 310 1,924 1,999 24.23 42.0
Mar-23 01:30 pm 307.59 0.2 295 1,938 1,986 24.23 41.5
Mar-23 12:30 pm 307.56 0.2 280 1,895 1,952 24.23 41.6
Mar-23 11:30 am 307.53 0.2 265 1,810 1,895 24.23 40.7
Mar-23 10:30 am 307.50 0.2 250 1,700 1,851 24.22 40.3
Mar-23 09:30 am 307.48 0.1 240 1,714 1,816 24.22 39.9
Mar-23 08:30 am 307.45 0.1 225 1,909 1,778 24.22 39.5
Mar-23 07:30 am 307.43 0.1 215 1,838 1,719 24.22 39.3
Mar-23 06:30 am 307.41 0.1 205 1,610 1,688 24.22 39.0
Mar-23 05:30 am 307.39 0.1 195 1,597 1,679 24.22 39.5
Mar-23 04:30 am 307.38 0.1 190 1,597 1,690 24.22 39.5
Mar-23 03:30 am 307.38 0.1 190 1,669 1,697 24.22 39.8
Mar-23 02:30 am 307.37 0.1 185 1,669 1,696 24.22 40.3
Mar-23 01:30 am 307.37 0.1 185 1,669 1,692 24.22 40.7
Mar-23 12:30 am 307.36 0.1 180 1,673 1,688 24.22 41.4
Mar-22 11:30 pm 307.36 0.1 180 1,673   24.22 41.8
Mar-22 10:30 pm 307.35 0.1 175 1,660 1,674 24.22 42.0
Mar-22 09:30 pm 307.35 0.1 175 1,665 1,634 24.22 42.3
Mar-22 08:30 pm 307.34 0.1 170 1,651 1,594 24.22 43.2
Mar-22 07:30 pm 307.34 0.1 170 1,651 1,568 24.22 47.0
Mar-22 06:30 pm 307.33 0.1 165 1,642 1,527 24.22 51.3
Mar-22 05:30 pm 307.33 0.1 165     24.22 54.3
Maximum 24 Hour Drawdown Rate (15 feet/day): 179 cfs + Inflow (2,109 cfs) = 2,288 cfs
Report Generated March 23, 2023 05:45 pm