Temperature Monitoring Station:
HILO/GEN. LYMAN HAWAII HAW

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		1.17
After quality control		1.17
After breakpoint alignment		1.07
Regional expectation during same months		1.00 ± 0.12
National average during same months		0.90 ± 0.08
Global land average during same months		1.13 ± 0.02

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 0.9	0.77
After Quality Control	± 0.9	0.77
After Breakpoint Adjustment	± 0.8	0.81

Quality Control Summary

Months missing 10 or more days	2
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	2

Station ID Codes

COOP	511484
COOP	511492
FAA	ITO
GHCND	USC00511484
GHCND	USW00021503
GHCND	USW00021504
GHCNM	42591285000
GSOD	912850-21504
GSOD	912853-21504
GSOD	998191-99999
GSOD	999999-21503
GSOD	999999-21504
HADCRU	912850
HADCRU	912857
ICAO	ILOH1
ICAO	PHTO
NCDC	20023246
NCDC	20023247
NCDC	20023250
NWS	ITO
USAF	912850
USAF	912853
USAF	998191
WBAN	21503
WBAN	21504
WMO	91285
WMSSC	912850
WMSSC	912857
WWR	91285

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.