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 anomalies1.95
After quality control2.01
After breakpoint alignment2.20
Regional expectation during same months2.05 ± 0.71
National average during same months 1.88 ± 0.07
Global land average during same months 1.35 ± 0.06

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 3.1 0.87
After Quality Control ± 3.1 0.87
After Breakpoint Adjustment ± 3.0 0.88

Quality Control Summary

Months missing 10 or more days 7
Serially repeated daily or monthly values 5
Extreme local outliers 0
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 9

Station ID Codes

FAACYAB
GHCNDCA002400400
GHCNDCA002400404
GHCNM40371095003
GSOD715920-99999
GSOD719181-99999
HADCRU719180
ICAOCXAT
ICAOYAB
NCDC20028504
NCDC20028505
USAF715920
USAF719181
WBAN17801
WBAN17802
WMO71592
WMSSC715920
WMSSC719180

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.