Temperature Monitoring Station:
ALTURAS

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		-0.08
After quality control		-0.24
After breakpoint alignment		0.63
Regional expectation during same months		0.70 ± 0.19
National average during same months		0.91 ± 0.08
Global land average during same months		1.12 ± 0.02

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 2.5	0.80
After Quality Control	± 2.3	0.80
After Breakpoint Adjustment	± 2.1	0.83

Quality Control Summary

Months missing 10 or more days	37
Serially repeated daily or monthly values	24
Extreme local outliers	1
Regional climatology outliers	8
Abrupt jumps	1
Marked as bad or manually changed by source	6
Exceeds global climatological range	0
Isolated observations	0
Frame shift repetitions	0
TMAX / TMIN inconsistency	1
TAVG outside TMAX / TMIN range	1
Total Observations Rejected by Quality Control	51

Station ID Codes

COOP	40161
FAA	S11
GHCND	USC00040161
GSOD	720191-99999
GSOD	720199-99999
GSOD	725950-99999
ICAO	KO00
ICAO	KS11
NCDC	20003204
NCDC	20003205
NWS	ALTC1
USAF	720191
USAF	720199
USAF	725950
WBAN	94264

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.