9504

• UCREFRP Catalog Number: 9504
• Author: Cooper, D. J. and C. Severn.
• Title: Ecological Characteristics of Wetlands at the Wetland Clough, Moab, Utah.
• USFW Year: 1994.
• USFW - Doc Type: \
• Copyright Material: NO

Table 2. Number of-days, frequency of occurrence and $ time of occurrence of
years with mean flows greater than 30,000 cfs. _
n yrs n yr ~ yr fr yr n yr ~ yr fr yr
Period record >lOd >lOd >lOd >20d >20d >20d
1914- 39 25 64 1/1.6 20 51 1/1.9
1958
-1959- 34 9 26 1/3.8 5 15 1/6.8
1993
* n.yrs-= number of years of record. at Cisco gauge.
* n yr >lOd =number of years with less than 10 days with >10,000 cfs average
flow.
* $ yr >lOd =percentage of years with less than l0 days-with >10,000 cfs
average flow.
* fr yr >lOd = frequency of years with-less than 10 days with >10,000 cfs
average -flow.
* n yr >20d =number of years-with less than 20 days with >10,000 cfs average
flow.
* ~ yr >20d =percentage of years with less than 20 days with >10,000 cfs_
average- flow.
* fr yr >20d = frequency of years with less than 20 days. with >10,000 cfs
.average flow.
~~.
Table 3. Number of days, frequency of occurrence and ~ time of
occurrence of years with mean flows greater than 40,000 cfs.
n yrs n yr ~ yr fr yr n yr ~ yr fr yr
Period record >5d >5d >5d >lOd >IOd >lOd
1914- 39 21 54 1/1.8 13 33 1/3
1958
1959- 34 4 12 1/8.5 3 9 1/11.3
-1993
* n yrs =number of years of record at Cisco gauge.
* n yr >5d = number of years with less than 5 days with > 40-,000 cfs average
flow.
* ~ yr >5d =percentage of-years with less than 5 days with >40,000 cfs
average flow.
* fr yr >5d = frequency of years with less than 5 days with >40,000 cfs
average flow.
* n yr >lOd =number of years with less than 10 days with.>40,000-cfs average
-flow.
* ~ yr >lOd = percentage of-years with less than. l0-days with >40,000 cfs-
average flow.
* fr yr >lOd = frequency of years-with less than 10-days with >40,000-cfs
.average, flow.
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