This dataset reports the linear trend (downward or upward shifts in data points over time) in New Zealand’s national average temperature from 1909 to 2022 from the National Institute of Water and Atmospheric Research’s (NIWA) ‘seven-station’ temperature series.
Variables:
data_released: Year the data was released
source: Source of data
p_value: P value
slope, conf_low, conf_high: Rate of change per year and their lower and upper confidence intervals
conf_level: confidence level (95%)
intercept, r_squared, sigma: Linear model statistics
trend_method: Whether the information in this row correspond to the Linear model slope or the Mann-Kendall test
n: number of observations used to calculate the trend
period_start: Start of the period for which the trend was assessed
period_end: End of the period for which the trend was assessed
