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 anomalies1.59
After quality control1.54
After breakpoint alignment1.24
Regional expectation during same months1.22 ± 0.10
National average during same months 1.45 ± 0.07
Global land average during same months 1.12 ± 0.03

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 2.6 0.84
After Quality Control ± 2.6 0.84
After Breakpoint Adjustment ± 2.6 0.84

Quality Control Summary

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

Station ID Codes

FAACYNA
GHCNDCA007045400
GHCNM40371813000
GSOD715130-99999
GSOD718130-99999
GSOD718134-99999
GSOD728130-99999
HADCRU718130
ICAOCYNA
ICAOYNA
NCDC20028795
USAF715130
USAF718130
USAF718134
USAF728130
WBAN15612
WMO71513
WMO71813
WMSSC718130
WWR71813

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.