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Igishushanyo cy'ubunini bw'amabuye

Abareba imvura bagereranya amabuye n'ibintu bya buri munsi. National Weather Service ikoresha ubu bunini muri raporo zayo z'imvura; amabuye afite ubunini bwa inch 1 (angana n'ifaranga ry'ikigera) cyangwa arenga ni ikibazo gikomeye.

Ukubwa wa mawe ya barafu	Milimetero	Byagereranyijwe na	Gikomeye
0.25 in	6 mm	pea
0.50 in	13 mm	marble
0.75 in	19 mm	1-cent coin
0.88 in	22 mm	5-cent coin
1.00 in	25 mm	Sikali 25	✓
1.25 in	32 mm	Sikali 50	✓
1.50 in	38 mm	ping pong ball	✓
1.75 in	44 mm	golf ball	✓
2.00 in	51 mm	hen egg	✓
2.50 in	64 mm	tennis ball	✓
2.75 in	70 mm	baseball	✓
3.00 in	76 mm	tea cup	✓
4.00 in	102 mm	grapefruit	✓
4.50 in	114 mm	softball	✓

Amabuye angana na inch 1 ashobora kwangiza imodoka no gusenya ibisenge bya kera; amabuye angana na inch 1.75 (angana n'umupira wa golf) cyangwa arenga akenshi acamo ibirahuri, ibirahuri byo hejuru n'ibishishwa by'inzu. Ingano y'ingaruka z'imvura ishingiye kandi ku muyaga n'imyaka y'igisenge.