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 anomalies0.37
After quality control0.37
After breakpoint alignment0.60
Regional expectation during same months0.71 ± 0.19
National average during same months 0.87 ± 0.13
Global land average during same months 0.97 ± 0.06

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.1 0.94
After Quality Control ± 1.1 0.94
After Breakpoint Adjustment ± 1.0 0.95

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 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 2

Station ID Codes

COOP319457
COOP319462
FAAILM
GHCNDUSW00013748
GHCNM42574699002
GSOD723011-13748
GSOD723013-13748
GSOD723020-99999
GSOD999999-13748
HADCRU723092
ICAOKILM
NCDC20013555
NCDC20013557
NWSILM
USAF723011
USAF723013
USAF723020
WBAN13748
WMO72302

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.