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 anomalies7.20
After quality control7.60
After breakpoint alignment5.27
Regional expectation during same months5.17 ± 0.90
National average during same months 4.73 ± 0.63
Global land average during same months 2.54 ± 0.09

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.0 0.92
After Quality Control ± 0.8 0.95
After Breakpoint Adjustment ± 0.7 0.94

Quality Control Summary

Months missing 10 or more days 33
Serially repeated daily or monthly values 10
Extreme local outliers 1
Regional climatology outliers 1
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 35

Station ID Codes

GSOD404480-99999
GSOD411940-99999
ICAOOMDB
USAF404480
USAF411940
WMO41194
WMSSC411940
WWR41194

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.