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 anomalies0.25
After quality control0.15
After breakpoint alignment1.55
Regional expectation during same months1.46 ± 0.08
National average during same months 1.51 ± 0.06
Global land average during same months 1.12 ± 0.02

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.3 0.92
After Quality Control ± 2.2 0.92
After Breakpoint Adjustment ± 1.9 0.94

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 11
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 13

Station ID Codes

GHCNDCA005040675
GHCNDCA005040680
GHCNDCA005040681
GHCNM40371855000
GSOD710360-99999
GSOD715500-99999
GSOD718550-99999
GSOD718553-99999
GSOD728550-99999
HADCRU718550
ICAOCWZT
ICAOCYDN
ICAOWDW
USAF710360
USAF715500
USAF718550
USAF718553
USAF728550
WMO71036
WMO71550
WMO71855
WMO72855
WMSSC715500
WMSSC718550

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.