Temperature Monitoring Station:
JOHNSTON ISLAND/WSO AIRP

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		2.47
After quality control		2.51
After breakpoint alignment		1.55
Regional expectation during same months		1.56 ± 0.27
National average during same months		-
Global land average during same months		1.35 ± 0.07

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 0.7	0.87
After Quality Control	± 0.7	0.88
After Breakpoint Adjustment	± 0.3	0.95

Quality Control Summary

Months missing 10 or more days	7
Serially repeated daily or monthly values	7
Extreme local outliers	0
Regional climatology outliers	1
Abrupt jumps	0
Marked as bad or manually changed by source	0
Exceeds global climatological range	0
Isolated observations	1
Frame shift repetitions	0
TMAX / TMIN inconsistency	0
TAVG outside TMAX / TMIN range	0
Total Observations Rejected by Quality Control	8

Station ID Codes

COOP	914320
GHCND	JQW00021601
GHCND	JQW00021603
GHCNM	53091275000
GSOD	912750-21603
GSOD	912750-99999
GSOD	999999-21601
HADCRU	912750
ICAO	PJON
NCDC	20030372
NCDC	20030388
NWS	PJON
USAF	912750
WBAN	21601
WBAN	21603
WMO	91275
WMSSC	912750
WWR	91275

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.