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 anomalies2.26
After quality control2.06
After breakpoint alignment1.20
Regional expectation during same months0.85 ± 0.31
National average during same months -
Global land average during same months 1.93 ± 0.10

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.0 0.62
After Quality Control ± 1.2 0.79
After Breakpoint Adjustment ± 1.1 0.80

Quality Control Summary

Months missing 10 or more days 67
Serially repeated daily or monthly values 3
Extreme local outliers 0
Regional climatology outliers 12
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 1
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 77

Station ID Codes

FAAVMYT
GHCNM21648008000
GSOD480080-99999
HADCRU480080
ICAOVBMK
NCDC20029088
NCDC20029090
USAF480080
WBAN32927
WBAN32930
WMO48008
WMSSC480080
WWR48008

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.