Climate

Returns daily high/low temperature reports from NWS Climate (CLI) products. These are the official settlement source for Kalshi temperature markets.

Request

GET /api/v1/climate

Parameters

Name	Type	Required	Description
`station`	string	No	Station code (e.g., `NYC`, `LAX`)
`from`	string	No	Start date (YYYY-MM-DD)
`to`	string	No	End date (YYYY-MM-DD)
`units`	string	No	`raw` (default °F) or `metric` (°C)
`format`	string	No	Output format: `json` (default), `csv`, `parquet`
`columns`	string	No	Comma-separated column names to include (e.g., `close,volume`)
`limit`	integer	No	Max results (default 1000)
`offset`	integer	No	Pagination offset

Report types

Type	Priority	Description
`final`	Highest	Official daily report
`correction`	High	Corrected report
`preliminary`	Medium	Preliminary (not used for settlement)
`estimated`	Lowest	ACIS-derived gap filler

Example

curl "https://api.mostlyright.xyz/api/v1/climate?station=NYC&from=2026-03-18&to=2026-03-19"

from therminal import TherminalClient
client = TherminalClient()
client.climate(station="NYC", from_date="2026-03-18", to_date="2026-03-19")

Response

[
  {
    "station_code": "NYC",
    "observation_date": "2026-03-19",
    "high_temp_f": 44,
    "low_temp_f": 32,
    "report_type": "final",
    "source": "iem",
    "product_id": "202603200631-KOKX-CDUS41-CLINYC",
    "issued_at": "2026-03-20T06:31:00Z"
  }
]

Try it

GET /api/v1/climate

station

from

units

limit

Click "Send →" to try it live

Data source

Official NWS CLI products via IEM. Gaps filled with ACIS estimates (tagged source: acis). See Data Sources for report type priority and settlement rules.