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 anomalies3.26
After quality control3.21
After breakpoint alignment2.95
Regional expectation during same months3.05 ± 0.50
National average during same months 2.49 ± 0.11
Global land average during same months 1.71 ± 0.07

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.0 0.92
After Quality Control ± 2.0 0.92
After Breakpoint Adjustment ± 2.0 0.92

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

FAACYRB
GHCNDCA002403500
GHCNDCA002403505
GHCNM40371924000
GSOD710180-99999
GSOD719240-17901
GSOD719240-99999
GSOD729240-99999
HADCRU719240
ICAOCXRB
ICAOCYRB
NCDC20028510
USAF710180
USAF719240
USAF729240
WBAN17901
WMO71018
WMO71924
WMO72924
WMSSC710180
WMSSC719240
WWR71924

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.