Hillburn Reservoir Rainfall Forecast

Today 27 Sep
100%
Mon 28 Sep
95%
Tue 29 Sep
5%
Wed 30 Sep
No Rain
Thu 1 Oct
No Rain
Fri 2 Oct
15%
Sat 3 Oct
20%

Hillburn Reservoir Rainfall Statistics

September Rainfall

Caldwell, Essex County Airport (18 miles)

Total Rainfall 2026
32.9in
Daily Average 2026
0.1in
Wettest Day 13 September, 2026
4.3in
Wet Days 2026
97/270 (36%)
Total Rainfall August
6.6in
Daily Average August
0.2in
Wettest Day 20 August, 2026
2in
Wet Days August
15/31 (48%)
Total Rainfall September
5.5in
Daily Average September
0.2in
Wettest Day 13 September, 2026
4.3in
Wet Days September
9/27 (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 13 September, 2026
4.3in

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