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 anomalies1.45
After quality control1.29
After breakpoint alignment0.76
Regional expectation during same months0.73 ± 0.16
National average during same months 0.83 ± 0.13
Global land average during same months 1.08 ± 0.04

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.4 0.55
After Quality Control ± 2.3 0.55
After Breakpoint Adjustment ± 2.3 0.55

Quality Control Summary

Months missing 10 or more days 41
Serially repeated daily or monthly values 64
Extreme local outliers 8
Regional climatology outliers 16
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 102

Station ID Codes

GHCNDASN00040264
GHCNDASN00040908
GHCNM50195574000
GSOD945700-99999
GSOD955740-99999
HADCRU955740
USAF945700
USAF955740
WMO94570
WMO95574
WMSSC945700
WWR94570

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.