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 anomalies1.49
After quality control1.20
After breakpoint alignment0.96
Regional expectation during same months1.03 ± 0.08
National average during same months 0.91 ± 0.08
Global land average during same months 1.11 ± 0.02

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 3.5 0.71
After Quality Control ± 2.8 0.77
After Breakpoint Adjustment ± 2.7 0.77

Quality Control Summary

Months missing 10 or more days 17
Serially repeated daily or monthly values 12
Extreme local outliers 7
Regional climatology outliers 11
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 12
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 29

Station ID Codes

COOP425654
FAAMLF
GHCNDUSC00425654
GHCNDUSW00023176
GHCNM42572471006
GSOD724750-99999
GSOD724757-23176
GSOD724797-23176
GSOD745200-23176
GSOD745201-23176
GSOD999999-23176
HADCRU724714
ICAOKMLF
NCDC20026178
NCDC20026677
NCDC30003690
NWSMLFU1
USAF724750
USAF724757
USAF724797
USAF745200
USAF745201
WBAN23176
WMO72475

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.