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 anomalies1.04
After quality control1.03
After breakpoint alignment1.05
Regional expectation during same months1.28 ± 0.12
National average during same months 2.47 ± 0.11
Global land average during same months 1.66 ± 0.07

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.4 0.94
After Quality Control ± 1.4 0.94
After Breakpoint Adjustment ± 1.4 0.94

Quality Control Summary

Months missing 10 or more days 3
Serially repeated daily or monthly values 2
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 0
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 0
Total Observations Rejected by Quality Control 3

Station ID Codes

FAACYDH
GHCNDCA008401400
GHCNM40371185000
GSOD711850-99999
GSOD711854-99999
GSOD741850-99999
ICAOCWDH
ICAOWDX
ICAOYDH
NCDC20028379
USAF711850
USAF711854
USAF741850
WBAN15504
WMO71185
WMO74185
WMSSC711850

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.