Big Island CCC Tank Rainfall Forecast

Today 13 Aug
55%
Fri 14 Aug
40%
Sat 15 Aug
25%
Sun 16 Aug
40%
Mon 17 Aug
40%
Tue 18 Aug
20%
Wed 19 Aug
20%

Big Island CCC Tank Rainfall Statistics

August Rainfall

Grants, Grants-Milan Municipal Airport (64 miles)

Total Rainfall 2026
4in
Daily Average 2026
0.02in
Wettest Day 13 February, 2026
0.6in
Wet Days 2026
19/225 (8%)
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
0.03in
Daily Average August
0in
Wettest Day 5 August, 2026
0.03in
Wet Days August
1/13 (8%)

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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