Sister Islands State Natural Area Rainfall Forecast

Today 12 Apr
100%
Mon 13 Apr
40%
Tue 14 Apr
95%
Wed 15 Apr
55%
Thu 16 Apr
70%
Fri 17 Apr
30%
Sat 18 Apr
80%

Sister Islands State Natural Area Rainfall Statistics

April Rainfall

Ephraim-Gibraltar Airport (6.2 miles)

Total Rainfall 2026
5.9in
Daily Average 2026
0.1in
Wettest Day 8 January, 2026
1.4in
Wet Days 2026
21/102 (21%)
Total Rainfall March
2.1in
Daily Average March
0.1in
Wettest Day 13 March, 2026
0.8in
Wet Days March
11/31 (35%)
Total Rainfall April
0.1in
Daily Average April
0.01in
Wettest Day 6 April, 2026
0.02in
Wet Days April
3/12 (25%)

Climate (2015–Present)

Ephraim-Gibraltar Airport (6.2 miles)

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Annual Average 2021–2025
29.4in
Monthly Average 2021–2026
2.5in
Daily Average 2021–2026
0.1in
Wettest Day 5 July, 2025
4.6in

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