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 anomalies2.67
After quality control2.81
After breakpoint alignment3.60
Regional expectation during same months2.19 ± 0.39
National average during same months 1.47 ± 0.19
Global land average during same months 1.20 ± 0.09

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 8.0 0.16
After Quality Control ± 6.6 0.24
After Breakpoint Adjustment ± 6.7 0.25

Quality Control Summary

Months missing 10 or more days 46
Serially repeated daily or monthly values 39
Extreme local outliers 16
Regional climatology outliers 21
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 0
Frame shift repetitions 6
TMAX / TMIN inconsistency 12
TAVG outside TMAX / TMIN range 29
Total Observations Rejected by Quality Control 78

Station ID Codes

GSOD723900-93226
GSOD723900-99999
ICAOK87Q
USAF723900
WBAN93226
WMO72390

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.