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 anomalies0.42
After quality control0.41
After breakpoint alignment1.39
Regional expectation during same months1.38 ± 0.15
National average during same months 1.54 ± 0.13
Global land average during same months 1.07 ± 0.05

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.9 0.95
After Quality Control ± 1.9 0.95
After Breakpoint Adjustment ± 1.7 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 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 2

Station ID Codes

FAACYYN
GHCNDCA004028035
GHCNDCA004028040
GHCNDCA004028056
GHCNDCA004028060
GHCNM40371870000
GSOD711420-99999
GSOD714460-99999
GSOD718700-99999
GSOD728700-99999
HADCRU718700
ICAOCWVC
ICAOCYYN
NCDC20028860
NCDC20028870
USAF711420
USAF714460
USAF718700
USAF728700
WBAN25016
WBAN25028
WMO71142
WMO71446
WMO71870
WMO72870
WMSSC714460
WMSSC718700
WWR71446

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.