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 anomalies3.85
After quality control4.22
After breakpoint alignment4.22
Regional expectation during same months5.08 ± 0.74
National average during same months 3.12 ± 0.41
Global land average during same months 2.12 ± 0.18

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.8 0.96
After Quality Control ± 1.8 0.96
After Breakpoint Adjustment ± 1.8 0.96

Quality Control Summary

Months missing 10 or more days 1
Serially repeated daily or monthly values 1
Extreme local outliers 0
Regional climatology outliers 0
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 1

Station ID Codes

FAACYCN
GHCNDCA004061861
GHCNM40371077002
GSOD719204-99999
GSOD729200-99999
HADCRU719200
ICAOYFN
NCDC20028876
USAF719204
USAF729200
WBAN25034
WMO71920
WMO72920

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.