Temperature Monitoring Station:
CHARLES CITY MUNI

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		0.93
After quality control		0.92
After breakpoint alignment		0.97
Regional expectation during same months		0.96 ± 0.14
National average during same months		0.94 ± 0.10
Global land average during same months		1.07 ± 0.04

Regional Consistency

Comparison of monthly mean station data to regional expectation

	Typical Difference (°C, 95% range)	Correlation (R value)
Raw Monthly Anomalies	± 1.3	0.96
After Quality Control	± 1.3	0.96
After Breakpoint Adjustment	± 1.2	0.97

Quality Control Summary

Months missing 10 or more days	2
Serially repeated daily or monthly values	2
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	131402
FAA	CCY
GHCND	USC00131402
GHCNM	42500131402
GHCNM	42572548005
GSOD	725463-14966
GSOD	725463-99999
GSOD	999999-14966
HADCRU	726441
ICAO	KCCY
NCDC	20007065
NWS	CCY
NWS	CIYI4
USAF	725463
WBAN	14966

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.