Hillburn Reservoir Rainfall Forecast

Today 15 Aug
5%
Sun 16 Aug
70%
Mon 17 Aug
95%
Tue 18 Aug
5%
Wed 19 Aug
15%
Thu 20 Aug
40%
Fri 21 Aug
25%

Hillburn Reservoir Rainfall Statistics

August Rainfall

Caldwell, Essex County Airport (18 miles)

Total Rainfall 2026
24.2in
Daily Average 2026
0.1in
Wettest Day 28 July, 2026
2.3in
Wet Days 2026
78/227 (34%)
Total Rainfall July
7in
Daily Average July
0.2in
Wettest Day 28 July, 2026
2.3in
Wet Days July
14/31 (45%)
Total Rainfall August
3.4in
Daily Average August
0.3in
Wettest Day 3 August, 2026
1.8in
Wet Days August
5/15 (33%)

Climate (2021–2025)

Caldwell, Essex County Airport (18 miles)

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Annual Average 2021–2025
45.9in
Monthly Average 2021–2026
3.7in
Daily Average 2021–2026
0.1in
Wettest Day 1 September, 2021
6.2in

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