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-0.53
After quality control-
After breakpoint alignment-
Regional expectation during same months-
National average during same months -
Global land average during same months -

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.1 0.32
After Quality Control ± 0.9 0.14
After Breakpoint Adjustment ± 0.9 0.21

Quality Control Summary

Months missing 10 or more days 0
Serially repeated daily or monthly values 0
Extreme local outliers 1
Regional climatology outliers 508
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 509

Station ID Codes

CA341
GHCNM50548632001
GSOD486310-99999
GSOD486320-99999
HADCRU486310
USAF486310
USAF486320
WMO48632
WMSSC486310
WMSSC999353

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.