Temperature Monitoring Station:
DILLON AIRPORT

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		-0.33
After quality control		-0.38
After breakpoint alignment		0.82
Regional expectation during same months		1.01 ± 0.16
National average during same months		0.95 ± 0.11
Global land average during same months		1.09 ± 0.04

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 2.4	0.86
After Quality Control	± 2.3	0.85
After Breakpoint Adjustment	± 1.9	0.90

Quality Control Summary

Months missing 10 or more days	6
Serially repeated daily or monthly values	6
Extreme local outliers	0
Regional climatology outliers	3
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	10

Station ID Codes

COOP	242404
COOP	242412
FAA	DLN
FAA	U18
GHCND	USW00024138
GHCNM	42572772002
GSOD	726796-24138
GSOD	726796-99999
GSOD	727700-24138
GSOD	727700-99999
GSOD	999999-24138
HADCRU	726774
ICAO	KDLN
NCDC	20012210
NCDC	20012211
NCDC	30000677
NWS	DLN
USAF	726796
USAF	727700
WBAN	24138
WMO	72770

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.