Temperature Monitoring Station:
PATUXENT RIVER NAS

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		0.61
After quality control		0.61
After breakpoint alignment		0.92
Regional expectation during same months		0.88 ± 0.10
National average during same months		0.95 ± 0.10
Global land average during same months		1.06 ± 0.04

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 1.6	0.89
After Quality Control	± 1.6	0.89
After Breakpoint Adjustment	± 1.5	0.90

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	2
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	3

Station ID Codes

COOP	186915
COOP	188405
FAA	NHK
GHCND	USC00186915
GHCND	USC00188405
GHCND	USW00013721
GHCNM	42572404002
GSOD	724040-13721
GSOD	999999-13721
ICAO	KNHK
NCDC	20009429
NCDC	20009434
NCDC	20009435
NWS	NHK
NWS	PAXM2
NWS	SOLM2
USAF	724040
WBAN	13721
WMO	72404

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.