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 anomalies-3.48
After quality control-4.24
After breakpoint alignment1.18
Regional expectation during same months1.74 ± 0.26
National average during same months 2.47 ± 0.11
Global land average during same months 2.50 ± 0.10

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.7 0.76
After Quality Control ± 2.6 0.77
After Breakpoint Adjustment ± 2.2 0.83

Quality Control Summary

Months missing 10 or more days 24
Serially repeated daily or monthly values 22
Extreme local outliers 2
Regional climatology outliers 2
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 6
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 37

Station ID Codes

FAA4LW
FAALKV
GHCNDUSW00024250
GSOD725891-99999
GSOD725896-99999
GSOD725976-94285
GSOD725976-99999
GSOD999999-24250
GSOD999999-94285
ICAO4LW
ICAOK4LW
ICAOKLKV
NCDC20015719
NCDC20015720
NCDC20015726
USAF725891
USAF725896
USAF725976
WBAN24250
WBAN24270
WBAN94285

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.