October 2008

 

Overview

Table 1 is a summary of monthly averages and totals at selected stations throughout the state. Table 2 lists daily temperatures and precipitation for most of the locations listed in Table 1. In Table 3, monthly precipitation totals throughout the state are listed.

Basin Summary

Here is a summary of water indicators at the end of the month, by river basin:

Precipitation Stream Flow SWSI*
BASIN

(1)

(2)

(3)
 (4)

(5)

(6)

(7)

OWYHEE 24 24 67 25 64 9 -1.5
MALHEUR 52 52 63 60 95 26 -1.4
GRAND RONDE, POWDER, BURNT 42 42 62 16 91 9.5 -0.2
UMATILLA, WALLA WALLA, WILLOW 42 42 58 14 78 5 0.2
UPPER JOHN DAY 27 27 67 32 85 174 -0.8
UPPER DESCHUTES, CROOKED 44 44 71 25 61 -40 0.8
LOWER DESCHUTES, HOOD RIVER 54 54 73 27 107 43 1.6
WILLAMETTE 69 69 73 25 92 39 1.3
ROGUE, UMPQUA 48 48 60 8* 84.5 2.5 0.4
KLAMATH 63 63 60 25* 85 -1.4 -1.7
LAKE COUNTY, GOOSE LAKE 50 50 74 43 78.5 28 -1.0
HARNEY 86 86 89 53 77 6 -1.4
NORTH COAST 63 63 n.a. n.a. 54 183 -0.4
SOUTH COAST 52 52 n.a. n.a. 48 301 -1.0

Data may not provide a valid measure of conditions.

* Last month’s numbers; current data unavailable at press time

n.a. Not available
(1) Percent of normal October precipitation, from NOAA Cooperative sites
(2) Percent of normal seasonal precipitation (since Oct. 1), from NOAA Cooperative sites
(3) Percent of normal seasonal precipitation, from Natural Resources Conservation Service (NRCS) SNOTEL sites
(4) Percent of normal snow water equivalent, from NRCS SNOTEL sites
(5) Percent of normal October stream flow, from U.S. Geological Survey (USGS)
(6) Percent of normal seasonal stream flow (since Oct. 1), from USGS
(7) Surface Water Supply Index, from NRCS (-4 = very dry, 0 = normal, +4 = very wet)

 

 


Oregon Climate Service
Oregon State University, Strand 326
Corvallis, Oregon 97331
Phone: (541) 737-5705
Fax
: (541) 737-5710
E-mail
: oregon@coas.oregonstate.edu
Web: http://www.ocs.oregonstate.edu