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 anomalies4.75
After quality control4.51
After breakpoint alignment1.68
Regional expectation during same months1.88 ± 0.19
National average during same months 2.15 ± 0.10
Global land average during same months 2.04 ± 0.09

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.2 0.82
After Quality Control ± 2.1 0.84
After Breakpoint Adjustment ± 1.5 0.90

Quality Control Summary

Months missing 10 or more days 15
Serially repeated daily or monthly values 14
Extreme local outliers 0
Regional climatology outliers 3
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 2
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 21

Station ID Codes

FAAHLR
GHCNDUSW00003933
GHCNDUSW00013955
GHCNM42572257006
GSOD722570-03933
GSOD722570-99999
GSOD722572-03933
ICAOKHLR
NCDC20024935
NCDC20024953
USAF722570
USAF722572
WBAN13955
WBAN3933
WMO72257

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.