Temperature Monitoring Station:
ALTOONA/BLAIR COUNTY ARPT

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		1.18
After quality control		1.14
After breakpoint alignment		1.13
Regional expectation during same months		1.22 ± 0.14
National average during same months		1.42 ± 0.10
Global land average during same months		1.49 ± 0.06

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 1.4	0.93
After Quality Control	± 1.4	0.93
After Breakpoint Adjustment	± 1.2	0.95

Quality Control Summary

Months missing 10 or more days	1
Serially repeated daily or monthly values	1
Extreme local outliers	0
Regional climatology outliers	0
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	2

Station ID Codes

COOP	360130
COOP	365453
COOP	365454
FAA	AOO
GHCND	USC00365453
GHCND	USW00014736
GHCNM	42572514001
GSOD	725126-14736
GSOD	999999-14736
HADCRU	753101
ICAO	KAOO
NCDC	20016724
NCDC	20016727
NWS	AOO
USAF	725126
WBAN	14736

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.