Temperature Monitoring Station:
WASHINGTON D C WASHNGTN-HOOVE

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		0.75
After quality control		0.75
After breakpoint alignment		0.58
Regional expectation during same months		0.65 ± 0.25
National average during same months		0.64 ± 0.21
Global land average during same months		0.74 ± 0.12

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 1.2	0.94
After Quality Control	± 1.2	0.94
After Breakpoint Adjustment	± 1.0	0.96

Quality Control Summary

Months missing 10 or more days	1
Serially repeated daily or monthly values	2
Extreme local outliers	0
Regional climatology outliers	2
Abrupt jumps	1
Marked as bad or manually changed by source	0
Exceeds global climatological range	0
Isolated observations	8
Frame shift repetitions	0
TMAX / TMIN inconsistency	0
TAVG outside TMAX / TMIN range	0
Total Observations Rejected by Quality Control	12

Station ID Codes

COOP	189290
COOP	448903
COOP	448906
FAA	DCA
FAA	IAD
GHCND	USW00013710
GHCND	USW00013743
GHCND	USW00093725
GHCND	USW00093738
GHCNM	42572403000
GHCNM	42572405000
GSOD	724030-93738
GSOD	724050-13743
GSOD	997314-99999
GSOD	999999-13710
GSOD	999999-13743
GSOD	999999-93725
HADCRU	724030
ICAO	KDCA
ICAO	KIAD
ICAO	WASD2
NCDC	20009474
NCDC	20009489
NCDC	20027254
NCDC	20027277
NWS	DCA
NWS	IAD
USAF	724030
USAF	724050
USAF	997314
WBAN	13710
WBAN	13743
WBAN	93725
WBAN	93738
WMO	72403
WMO	72405
WMSSC	724050
WWR	72403
WWR	72405

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.