Temperature Monitoring Station:
LEWISTON NEZ PERCE COUNTY ARP

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		-0.07
After quality control		-0.09
After breakpoint alignment		0.67
Regional expectation during same months		0.79 ± 0.13
National average during same months		0.93 ± 0.10
Global land average during same months		1.07 ± 0.03

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 2.1	0.84
After Quality Control	± 2.1	0.84
After Breakpoint Adjustment	± 1.9	0.87

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	1
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	105236
COOP	105241
FAA	LWS
GHCND	USW00024149
GHCNM	42500105241
GSOD	727830-24149
GSOD	999999-24149
HADCRU	727830
ICAO	KLWS
NCDC	10003027
NWS	LWS
USAF	727830
WBAN	24149
WMO	72783
WWR	72783

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.