Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2020. For more information, please see Climatological Rankings.


Rhode Island

Precipitation Rankings, September 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1999
1-Month
7.53"
(191.26mm)
3.61"
(91.69mm)
3.92"
(99.57mm)
119th Driest Driest since: 1998 1941
8th Wettest Wettest since: 1954 2008
Aug–Sep 1999
2-Month
10.27"
(260.86mm)
7.66"
(194.56mm)
2.61"
(66.30mm)
102nd Driest Driest since: 1998 1984
25th Wettest Wettest since: 1992 1954
Jul–Sep 1999
3-Month
12.45"
(316.23mm)
10.91"
(277.11mm)
1.54"
(39.12mm)
89th Driest Driest since: 1998 2020
38th Wettest Wettest since: 1996 1954
Jun–Sep 1999
4-Month
12.65"
(321.31mm)
14.23"
(361.44mm)
-1.58"
(-40.13mm)
46th Driest Driest since: 1997 1957
81st Wettest Wettest since: 1998 1938
May–Sep 1999
5-Month
16.61"
(421.89mm)
17.67"
(448.82mm)
-1.06"
(-26.93mm)
53rd Driest Driest since: 1997 1957
74th Wettest Wettest since: 1998 1938
Ties: 1934
Apr–Sep 1999
6-Month
18.01"
(457.45mm)
21.74"
(552.20mm)
-3.73"
(-94.75mm)
25th Driest Driest since: 1995 1957
102nd Wettest Wettest since: 1998 1938
Mar–Sep 1999
7-Month
22.89"
(581.41mm)
25.95"
(659.13mm)
-3.06"
(-77.72mm)
31st Driest Driest since: 1995 1965
96th Wettest Wettest since: 1998 1989
Feb–Sep 1999
8-Month
27.99"
(710.95mm)
29.39"
(746.51mm)
-1.40"
(-35.56mm)
46th Driest Driest since: 1997 1957
81st Wettest Wettest since: 1998 1998
Jan–Sep 1999
9-Month
34.78"
(883.41mm)
33.33"
(846.58mm)
1.45"
(36.83mm)
76th Driest Driest since: 1997 1957
51st Wettest Wettest since: 1998 1998
Dec 1998–Sep 1999
10-Month
36.31"
(922.27mm)
37.48"
(951.99mm)
-1.17"
(-29.72mm)
51st Driest Driest since: 1995 1957
75th Wettest Wettest since: 1998 1998
Nov 1998–Sep 1999
11-Month
38.65"
(981.71mm)
41.64"
(1,057.66mm)
-2.99"
(-75.95mm)
40th Driest Driest since: 1995 1957
86th Wettest Wettest since: 1998 1998
Oct 1998–Sep 1999
12-Month
42.93"
(1,090.42mm)
45.17"
(1,147.32mm)
-2.24"
(-56.90mm)
50th Driest Driest since: 1995 1957
76th Wettest Wettest since: 1998 2006
Apr 1998–Sep 1999
18-Month
73.15"
(1,858.01mm)
66.82"
(1,697.23mm)
6.33"
(160.78mm)
92nd Driest Driest since: 1996 1966
34th Wettest Wettest since: 1998 2010
Oct 1997–Sep 1999
24-Month
102.54"
(2,604.52mm)
90.25"
(2,292.35mm)
12.29"
(312.17mm)
102nd Driest Driest since: 1997 1966
23rd Wettest Wettest since: 1998 2019
Oct 1996–Sep 1999
36-Month
149.43"
(3,795.52mm)
135.45"
(3,440.43mm)
13.98"
(355.09mm)
97th Driest Driest since: 1997 1966
27th Wettest Wettest since: 1998 2008
Oct 1995–Sep 1999
48-Month
203.13"
(5,159.50mm)
180.63"
(4,588.00mm)
22.50"
(571.50mm)
108th Driest Driest since: 1998 1966
15th Wettest Wettest since: 1985 2009
Oct 1994–Sep 1999
60-Month
239.52"
(6,083.81mm)
225.77"
(5,734.56mm)
13.75"
(349.25mm)
86th Driest Driest since: 1997 1966
36th Wettest Wettest since: 1998 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 27, 2021 from https://www.ncdc.noaa.gov/cag/