Temperature Monitoring Station:
NORFOLK INTERNATIONAL AP

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		0.64
After quality control		0.63
After breakpoint alignment		0.78
Regional expectation during same months		0.80 ± 0.11
National average during same months		0.91 ± 0.08
Global land average during same months		1.11 ± 0.02

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 2.0	0.84
After Quality Control	± 2.0	0.84
After Breakpoint Adjustment	± 1.9	0.85

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	442368
COOP	446139
FAA	ORF
GHCND	USW00013737
GHCNM	42500446139
GHCNM	42572308000
GSOD	723080-13737
HADCRU	723080
ICAO	KORF
NCDC	20026931
NWS	ORF
USAF	723080
WBAN	13737
WMO	72308
WMSSC	723080
WWR	72308

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.