Big Island CCC Tank Rainfall Forecast

Today 27 Aug
15%
Fri 28 Aug
10%
Sat 29 Aug
25%
Sun 30 Aug
60%
Mon 31 Aug
50%
Tue 1 Sep
20%
Wed 2 Sep
5%

Big Island CCC Tank Rainfall Statistics

August Rainfall

Grants, Grants-Milan Municipal Airport (64 miles)

Total Rainfall 2026
4.8in
Daily Average 2026
0.02in
Wettest Day 13 February, 2026
0.6in
Wet Days 2026
24/239 (10%)
Total Rainfall July
1.4in
Daily Average July
0.04in
Wettest Day 25 July, 2026
0.4in
Wet Days July
7/31 (23%)
Total Rainfall August
0.9in
Daily Average August
0.04in
Wettest Day 20 August, 2026
0.3in
Wet Days August
6/27 (22%)

Climate (2021–2025)

Grants, Grants-Milan Municipal Airport (64 miles)

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Annual Average 2021–2025
8.3in
Monthly Average 2021–2026
0.7in
Daily Average 2021–2026
0.02in
Wettest Day 21 June, 2024
2in

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