Temperature Monitoring Station:
JACKSON/ALLEN C. THOMPSON FIELD, MS.

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		-0.08
After quality control		-0.09
After breakpoint alignment		0.61
Regional expectation during same months		0.65 ± 0.12
National average during same months		0.91 ± 0.09
Global land average during same months		1.06 ± 0.03

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 1.7	0.89
After Quality Control	± 1.7	0.89
After Breakpoint Adjustment	± 1.5	0.91

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	224462
COOP	224467
COOP	224469
COOP	224470
COOP	224472
FAA	HKS
FAA	JAN
GHCND	USC00224462
GHCND	USC00224470
GHCND	USW00003940
GHCND	USW00013927
GHCND	USW00013956
GHCNM	42572235000
GSOD	722350-03940
GSOD	722354-13927
GSOD	722354-99999
GSOD	999999-03940
GSOD	999999-13956
HADCRU	722350
ICAO	KHKS
ICAO	KJAN
NCDC	10006460
NCDC	20011246
NCDC	20011254
NCDC	20011255
NCDC	20011256
NCDC	30001379
NWS	HKS
NWS	JACM6
NWS	JAN
NWS	JSUM6
USAF	722350
USAF	722354
WBAN	13927
WBAN	13956
WBAN	3940
WMO	72235
WMSSC	722350
WWR	72235

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.