Hydrognomon is free software
for time series analysis

(but it is unsupported; see pocket option the first question in the faq)

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Display time series in tables and graphs

Time series tables


Time series aggregation

Time series aggregation


Statistical analysis and Monte Carlo pocket option free demo account confidence intervals

Statistical analysis


Histograms and fit of probability density functions

Histograms


Double-mass curve for homogeneity restoration

Double mass curve


Precipitation pocket options variogram

Variogram


Wind rose chart

Wind rose chart


Hydrometry

Hydrometry