Stations with the RAWS and SAO networks are the primary source of near-real-time data within 40 km of REDW units (Table 4.3; Figure 4.1). Twelve RAWS stations (11 active) and nine SAO stations (eight active) were identified. Three of the RAWS stations we identified (Kneeland, Ship Mtn., Ship Mtn. 1) have unreliable data records. “Kneeland” is located 40 km south of REDW. “Ship Mtn.” and “Ship Mtn. 1” are both located east of the north end of REDW. The RAWS station “Gasquet” (1993-present), 9 km east of the northern part of REDW, was unreliable until 1999. The RAWS station “Camp Six” (2003-present), 14 km east of the northern part of REDW, had a large data gap from February 2004 until June 2004. Six of the RAWS stations have very complete data records. Four of these (Big Mill, Hoopa, Maple Creek, and Yurok) are located within 40 km of southern REDW. The other two (“Oak Knoll” and “Red Mound”) are located within 40 km of the northern part of REDW. The remaining RAWS stations we identified have occasional, small data gaps.
The longest record among the SAO stations we identified for REDW comes from “Eureka,” 34 km south of REDW. This dataset goes back to 1886. Another long data record comes from the SAO station “Brookings” (1912-present), 24 km north of REDW. Two other active SAO stations (“Arcata” and “Crescent City”) have data records going back to the 1940s. The SAO station “Crescent City”, 8 km west of the northern part of REDW, is the closest SAO station to REDW.
Five weather/climate stations were identified within WHIS (Table 4.3; Figure 4.1). Three of these stations are active, including two COOP stations and one RAWS stations. The COOP station “Whiskeytown Reservoir” has a very complete data record which starts in 1960. The other active COOP station, “Redding 12 WNW,” is located in the northwestern part of WHIS and has been active since 2003. The RAWS station “Oak Bottom” has a very complete data record which starts in 2001.
Out of the 27 COOP stations identified within 40 km of the boundaries of WHIS, eight are active (Table 4.3). The COOP station “Weaverville,” 22 km west of the Trinity Unit, has the longest record among these active COOP stations, having been active since 1894. The data record at “Eureka” is fairly complete, with occasional, small data gaps. The COOP station “Shasta Dam” is just south of the Shasta Lake Unit of WHIS and has been active since 1943. The record at this station is very complete. Another data record starting in 1943 comes from the COOP station “Harrison Gulch R.S.,” which is located 33 km southwest of the Whiskeytown Unit. This station has no weekend observations and is generally quite unreliable. The COOP station “Redding” is 18 km from WHIS and has a reliable data record.
With the exception of the SAO station “Redding” and a few stations with other networks (CALTRANS, CARB, CWOP and WX4U), RAWS stations are the primary source of automated weather data within 40 km of WHIS units. Seven active RAWS stations were identified (Table 4.3). The longest RAWS record is from the station “Patty Mocus,” 35 km southwest of the Whiskeytown Unit of WHIS. This station has been active since1990; however, its data record has only been reliable since March 1999. The other active sites have fairly reliable data records, with occasional small data gaps.
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