Temperature Monitoring Station:
BALTIMORE/BALTIMORE-WASHINGTON INT., MD.

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		1.20
After quality control		1.20
After breakpoint alignment		0.75
Regional expectation during same months		0.78 ± 0.22
National average during same months		0.79 ± 0.23
Global land average during same months		0.87 ± 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	0.95
After Quality Control	± 1.2	0.95
After Breakpoint Adjustment	± 0.9	0.96

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	180465
COOP	180470
COOP	185718
FAA	BAL
FAA	BWI
FAA	DMH
GHCND	USW00013777
GHCND	USW00093721
GHCND	USW00093784
GHCNM	42500185718
GHCNM	42572406000
GHCNM	42572406006
GSOD	724060-93721
GSOD	745944-93784
GSOD	745944-99999
GSOD	997296-99999
GSOD	999999-13725
GSOD	999999-93721
GSOD	999999-93784
HADCRU	724060
HADCRU	756192
ICAO	BLTM2
ICAO	KBWI
ICAO	KDMH
NCDC	20009551
NCDC	20009562
NCDC	20009563
NCDC	30000697
NWS	BAL
NWS	BLTM2
NWS	BWI
NWS	DMH
USAF	724060
USAF	745944
USAF	997296
WBAN	13725
WBAN	13777
WBAN	93721
WBAN	93784
WMO	72406
WMSSC	724060
WWR	72406

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.