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 anomalies0.10
After quality control-0.42
After breakpoint alignment0.69
Regional expectation during same months0.64 ± 0.13
National average during same months 0.23 ± 0.12
Global land average during same months 0.72 ± 0.04

Regional Consistency

Comparison of monthly mean station data to regional expectation

Typical Difference
(°C, 95% range)
Correlation
(R value)
Raw Monthly Anomalies ± 1.5 0.87
After Quality Control ± 1.3 0.90
After Breakpoint Adjustment ± 1.0 0.93

Quality Control Summary

Months missing 10 or more days 59
Serially repeated daily or monthly values 28
Extreme local outliers 1
Regional climatology outliers 1
Abrupt jumps 0
Marked as bad or manually changed by source 10
Exceeds global climatological range 0
Isolated observations 10
Frame shift repetitions 0
TMAX / TMIN inconsistency 0
TAVG outside TMAX / TMIN range 11
Total Observations Rejected by Quality Control 69

Station ID Codes

COOP29652
GHCNDUSC00029652
GHCNM42500029652
NCDC10100068
NWSYCTA3

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.