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 control1.48
After breakpoint alignment0.87
Regional expectation during same months0.85 ± 0.23
National average during same months 0.63 ± 0.22
Global land average during same months 0.75 ± 0.14

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.6 0.90
After Quality Control ± 1.6 0.91
After Breakpoint Adjustment ± 1.4 0.92

Quality Control Summary

Months missing 10 or more days 1
Serially repeated daily or monthly values 1
Extreme local outliers 0
Regional climatology outliers 2
Abrupt jumps 1
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 4

Station ID Codes

COOP305801
COOP305811
FAALGA
FAANYC
GHCNDUSW00014732
GHCNDUSW00094728
GHCNM42500305801
GSOD725030-14732
GSOD999999-14732
GSOD999999-94728
HADCRU720381
HADCRU725030
ICAOKLGA
ICAOKNYC
NCDC20019451
NCDC20019453
NWSLGA
NWSNYC
USAF725030
WBAN14732
WBAN94728
WMO72503
WMO72506
WMSSC725027
WMSSC725030
WWR72503

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.