Temperature Monitoring Station:
POINT ARENA LT STN

Monthly Mean Temperature Data

Raw Data relative to Expected Monthly Means

Difference from Regional Expectation

Breakpoint Adjusted Annual Average Comparison

Mean Rate of Change ( °C / Century )

Raw monthly anomalies		-1.11
After quality control		0.57
After breakpoint alignment		1.60
Regional expectation during same months		0.68 ± 0.11
National average during same months		1.02 ± 0.08
Global land average during same months		1.31 ± 0.05

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 9.2	0.11
After Quality Control	± 7.4	0.16
After Breakpoint Adjustment	± 7.5	0.17

Quality Control Summary

Months missing 10 or more days	12
Serially repeated daily or monthly values	10
Extreme local outliers	1
Regional climatology outliers	119
Abrupt jumps	1
Marked as bad or manually changed by source	0
Exceeds global climatological range	0
Isolated observations	0
Frame shift repetitions	0
TMAX / TMIN inconsistency	0
TAVG outside TMAX / TMIN range	0
Total Observations Rejected by Quality Control	128

Station ID Codes

COOP	47009
COOP	47011
COOP	47012
FAA	PAA
GHCND	USC00047009
GHCND	USC00047011
GSOD	724991-99999
GSOD	994120-99999
ICAO	89Q
ICAO	PTAC1
NCDC	20002805
NCDC	20002806
NCDC	20002818
NCDC	20002819
NCDC	30078570
NWS	PAA
NWS	PTAC1
USAF	724991
USAF	994120
WBAN	23264
WBAN	93208

ID codes may be repeated if the identification of the station changed during its history or if two different records were found to contain the same data, in which case the records would be merged.