Table 5 Snowfall grade classification.

From: Statistical characteristics of the spatial distribution of wind and snowfall in the Beijing–Tianjin–Hebei Region

Snowfall grade

24 h of precipitation (mm)

Sporadic light snow

≤ 0.1

Light snow

0.1–2.4

Moderate snow

2.5–4.9

Heavy snow

5.0–9.9

Blizzard

10.0–19.9

Storm snow

20.0–30.0

Super-big blizzard

> 30.0

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