# Climate Normals

Climate normals are long-term averages of historical weather observations. Usually, these means are calculated over a period of 30 years (“reference period“). However, any other time series of sufficient length can be used to calculate climate normals.

Climate normals represent the typical monthly weather at a given location. The averages can also be used for calculating anomalies of current weather and climate conditions.

# Endpoint

Climate normals are provided through this endpoint:

GET https://meteostat.p.rapidapi.com/stations/normals

# Parameters

Just add the station’s ID through the station parameter. Please note that not all weather stations provide climate normals for all periods.

Parameter Description Type Required Default
station The weather station ID String Yes undefined
start The start year (YYYY) of the period String No null
end The end year (YYYY) of the period String No null
units The unit system of the meteorological parameters String No metric

The units parameter takes one of the following values:

  • metric (Celsius, Millimeters, Kilometers per hour)
  • imperial (Fahrenheit, Inches, Miles per hour)
  • scientific (Kelvin, Millimeters, Meters per second)

# Response

The data array of the response contains twelve objects (one per month) for every period. Each of these objects includes the following properties. Please note that all units mentioned below refer to the default units setting.

Parameter Description Type
month The integer number of the month (1 to 12) Integer
tavg The mean temperature in °C Float
tmin The average minimum temperature in °C Float
tmax The average maximum temperature in °C Float
prcp The average total precipitation in mm Integer
pres The average sea-level air pressure in hPa Float
tsun The average sunshine duration in hours (h) Integer

More information about the data format is available here.

# Example

The following example requires the cURL command-line interface. Alternatively, you can use an API client like Postman.

curl --request GET \
	--url 'https://meteostat.p.rapidapi.com/stations/normals?station=10637&start=1961&end=1990' \
	--header 'x-rapidapi-host: meteostat.p.rapidapi.com' \
	--header 'x-rapidapi-key: {key}'

Please replace {key} with your personal API key.

# Data Response

The response should look like that:

{
    "meta": {
        "exec_time": 0.885,
        "generated": "2021-06-23 12:14:35"
    },
    "data": [
        {
            "month": 1,
            "tavg": 0.5,
            "tmin": -2.2,
            "tmax": 3.2,
            "prcp": 43.8,
            "wspd": 12.3,
            "pres": 1018,
            "tsun": 2454
        },
        {
            "month": 2,
            "tavg": 1.7,
            "tmin": -1.6,
            "tmax": 5,
            "prcp": 39.8,
            "wspd": 11.9,
            "pres": 1017.5,
            "tsun": 4494
        },
        {
            "month": 3,
            "tavg": 5.6,
            "tmin": 0.9,
            "tmax": 10.2,
            "prcp": 51.1,
            "wspd": 12.9,
            "pres": 1014.9,
            "tsun": 6984
        },
        {
            "month": 4,
            "tavg": 9.6,
            "tmin": 4.4,
            "tmax": 14.7,
            "prcp": 51.5,
            "wspd": 12.2,
            "pres": 1014.2,
            "tsun": 9756
        },
        {
            "month": 5,
            "tavg": 13.8,
            "tmin": 8.2,
            "tmax": 19.3,
            "prcp": 61.3,
            "wspd": 11.1,
            "pres": 1014.6,
            "tsun": 12390
        },
        {
            "month": 6,
            "tavg": 17,
            "tmin": 11.6,
            "tmax": 22.5,
            "prcp": 70.2,
            "wspd": 11.1,
            "pres": 1015.6,
            "tsun": 12564
        },
        {
            "month": 7,
            "tavg": 18.8,
            "tmin": 13.2,
            "tmax": 24.3,
            "prcp": 63,
            "wspd": 10.9,
            "pres": 1016.6,
            "tsun": 13470
        },
        {
            "month": 8,
            "tavg": 18.2,
            "tmin": 12.7,
            "tmax": 23.7,
            "prcp": 64.8,
            "wspd": 10.2,
            "pres": 1016.1,
            "tsun": 12234
        },
        {
            "month": 9,
            "tavg": 15,
            "tmin": 9.7,
            "tmax": 20.2,
            "prcp": 48.3,
            "wspd": 10.2,
            "pres": 1018.3,
            "tsun": 9450
        },
        {
            "month": 10,
            "tavg": 9.9,
            "tmin": 5.7,
            "tmax": 14.1,
            "prcp": 50.5,
            "wspd": 10.1,
            "pres": 1017.6,
            "tsun": 6150
        },
        {
            "month": 11,
            "tavg": 5,
            "tmin": 2,
            "tmax": 7.9,
            "prcp": 59.4,
            "wspd": 12,
            "pres": 1018.3,
            "tsun": 2904
        },
        {
            "month": 12,
            "tavg": 1.8,
            "tmin": -0.7,
            "tmax": 4.3,
            "prcp": 54.1,
            "wspd": 12.4,
            "pres": 1016.9,
            "tsun": 2310
        }
    ]
}
Last Updated: 6/23/2021, 12:30:43 PM