Monthly Mean Temperature Data

Raw Data relative to Expected Monthly Means

LONDON LONDON-CARBIN AP Raw Mean Temperature
High Resolution Version | Data Table

Difference from Regional Expectation

LONDON LONDON-CARBIN AP difference from regional expectation
High Resolution Version

Breakpoint Adjusted Annual Average Comparison

LONDON LONDON-CARBIN AP comparison to regional expectation
High Resolution Version

Mean Rate of Change ( °C / Century )

Raw monthly anomalies2.93
After quality control2.58
After breakpoint alignment1.90
Regional expectation during same months1.94 ± 0.15
National average during same months 1.96 ± 0.10
Global land average during same months 1.88 ± 0.08

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)		 Correlation
(R value)
Raw Monthly Anomalies ± 2.4 0.83
After Quality Control ± 1.5 0.92
After Breakpoint Adjustment ± 1.4 0.93

Quality Control Summary

Months missing 10 or more days 20
Serially repeated daily or monthly values 10
Extreme local outliers 2
Regional climatology outliers 1
Abrupt jumps 1
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 25

Station ID Codes

COOP154892
COOP154893
COOP154898
COOP154905
FAALOZ
GHCNDUSC00154893
GHCNDUSC00154905
GHCNDUSW00003849
GHCNM42572422001
GSOD723291-03849
GSOD723293-03849
GSOD999999-03849
ICAOKLOZ
NCDC12002096
NCDC20008188
NCDC20008189
NCDC20008206
NCDC20008218
NWSLDNK2
NWSLONK2
NWSLOZ
USAF723291
USAF723293
WBAN3849
WMO72329

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.