333  
SXUS56 KEKA 180315  
OSOEKA  
 
AREA WATER TEMPERATURES FOR NORTHWEST CALIFORNIA  
NATIONAL WEATHER SERVICE EUREKA CA  
815 PM PDT SAT AUG 17 2019  
 
THIS PRODUCT CONTAINS PROVISIONAL DATA FROM AUTOMATED GAUGES.  
THESE DATA HAVE NOT BEEN REVIEWED OR VERIFIED FOR ACCURACY.  
 
WATER TEMP F QC  
LOCATION BASIN OBS 24HR CHANGE FLAG  
----------------- --------------- --- ----------- ----  
KLAMATH 3SE KLAMATH RIVER 74 -0.5  
ORLEANS KLAMATH RIVER 74 -0.7  
HELENA 3N TRINITY RIVER N 72 0.0  
DOUGLAS CITY 1SW TRINITY RIVER 60 -0.2  
HELENA 1SSE TRINITY RIVER 69 0.0  
LEWISTON 1NE TRINITY RIVER 53 +0.5  
LEWISTON HATCHERY TRINITY RIVER 50 +0.2  
BRANSCOMB 5N ELDER CREEK 65 -0.6  
ETTERSBURG 1E MATTOLE RIVER 76 +0.6 *  
HOPLAND 4N RUSSIAN RIVER 61 -0.4  
UKIAH 3NNE RUSSIAN RIVER E 56 -0.1  
CRESCENT CITY CRESCENT HARBOR 54  
EUREKA 11NW PACIFIC OCEAN 55  
NORTH SPIT HUMBOLDT BAY 56  
EUREKA 17WSW PACIFIC OCEAN 55  
CAPE MENDOCINO PACIFIC OCEAN 54  
PT ARENA 19N PACIFIC OCEAN 53  
ARENA COVE ARENA COVE 52  
 
* QC FLAG INDICATES THE RIVER TEMPERATURE HAS CHANGED 5F  
OR MORE IN 6 HOURS OR 10F OR MORE IN 24 HOURS.  
 

 
 
WATER TEMPERATURES CAN BE COLD, EVEN IF THE AIR TEMPERATURE IS  
WARM. IMMERSION IN COLD WATER CAN BE LIFE THREATENING VERY  
QUICKLY DUE TO COLD WATER SHOCK AND LOSS OF MUSCLE CONTROL.  
IF YOU CHOOSE TO VENTURE OUT, WEAR ALL COLD WATER PROTECTIVE  
GEAR, INCLUDING A LIFE JACKET, IN THE EVENT OF AN ACCIDENT.  
 
COLD WATER EXPOSURE TIMES  
 
WATER LOSS OF EXHAUSTION/  
TEMP F MUSCLE CONTROL UNCONSCIOUSNESS  
------- -------------- ---------------  
33-40 1-3 MIN 15-30 MIN  
40-50 1-5 MIN 30-60 MIN  
50-60 10-15 MIN 1-2 HR  
60-70 30-40 MIN 2-7 HR  
70-80 1-2 HR 2-12 HR  
 

 
 
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