Temperature Monitoring Station:
CHARLOTTE DOUGLAS MUNICIPAL A

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		0.29
After quality control		0.29
After breakpoint alignment		0.60
Regional expectation during same months		0.64 ± 0.17
National average during same months		0.92 ± 0.11
Global land average during same months		1.04 ± 0.05

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 1.1	0.95
After Quality Control	± 1.1	0.95
After Breakpoint Adjustment	± 0.8	0.97

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	0
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	1

Station ID Codes

COOP	311690
COOP	311695
FAA	CLT
GHCND	USC00311695
GHCND	USW00013881
GHCNM	42572314000
GSOD	723140-13881
GSOD	999999-13881
GSOD	999999-93849
HADCRU	723140
ICAO	KCLT
NCDC	20013673
NCDC	20013675
NWS	CLT
USAF	723140
WBAN	13881
WBAN	93849
WMO	72314
WMSSC	723140
WWR	72314

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.