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 anomalies5.12
After quality control6.25
After breakpoint alignment1.91
Regional expectation during same months2.27 ± 0.70
National average during same months 2.19 ± 0.47
Global land average during same months 2.48 ± 0.23

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 3.1 0.41
After Quality Control ± 2.2 0.53
After Breakpoint Adjustment ± 1.9 0.56

Quality Control Summary

Months missing 10 or more days 69
Serially repeated daily or monthly values 22
Extreme local outliers 2
Regional climatology outliers 34
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 8
Frame shift repetitions 34
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 92

Station ID Codes

GHCNM30984542000
GSOD845420-99999
HADCRU845420
ICAOSPHZ
USAF845420
WMO84542
WMSSC845420

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.