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 anomalies1.13
After quality control1.13
After breakpoint alignment0.99
Regional expectation during same months0.97 ± 0.13
National average during same months 0.92 ± 0.09
Global land average during same months 1.10 ± 0.02

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.1 0.79
After Quality Control ± 1.9 0.81
After Breakpoint Adjustment ± 1.8 0.83

Quality Control Summary

Months missing 10 or more days 34
Serially repeated daily or monthly values 9
Extreme local outliers 0
Regional climatology outliers 0
Abrupt jumps 0
Marked as bad or manually changed by source 0
Exceeds global climatological range 0
Isolated observations 3
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 42

Station ID Codes

COOP40439
COOP40442
COOP40444
FAABFL
GHCNDUSC00040439
GHCNDUSC00040444
GHCNDUSW00023155
GHCNM42572384000
GSOD723840-23155
GSOD999999-23155
HADCRU723840
ICAOKBFL
NCDC20002041
NCDC20002050
NCDC30000636
NWSBAFC1
NWSBFL
USAF723840
WBAN23155
WMO72384
WWR72384

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.