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 April 2022. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, September 2004

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2004
1-Month
8.87"
(225.30mm)
3.59"
(91.19mm)
5.28"
(134.11mm)
125th Driest Driest since: 2003 1943
3rd Wettest Wettest to Date 2011
Aug–Sep 2004
2-Month
14.13"
(358.90mm)
7.45"
(189.23mm)
6.68"
(169.67mm)
125th Driest Driest since: 2003 1943
3rd Wettest Wettest to Date 2011
Jul–Sep 2004
3-Month
21.23"
(539.24mm)
11.64"
(295.66mm)
9.59"
(243.58mm)
126th Driest Driest since: 2003 1930
2nd Wettest Wettest to Date 2018
Jun–Sep 2004
4-Month
25.63"
(651.00mm)
15.81"
(401.57mm)
9.82"
(249.43mm)
126th Driest Driest since: 2003 1930
2nd Wettest Wettest to Date 2018
May–Sep 2004
5-Month
31.07"
(789.18mm)
19.74"
(501.40mm)
11.33"
(287.78mm)
126th Driest Driest since: 2003 1930
2nd Wettest Wettest to Date 2018
Apr–Sep 2004
6-Month
35.94"
(912.88mm)
23.38"
(593.85mm)
12.56"
(319.03mm)
125th Driest Driest since: 2003 1930
3rd Wettest Wettest to Date 2018
Mar–Sep 2004
7-Month
38.78"
(985.01mm)
26.87"
(682.50mm)
11.91"
(302.51mm)
125th Driest Driest since: 2003 1930
3rd Wettest Wettest to Date 2011
Feb–Sep 2004
8-Month
41.04"
(1,042.42mm)
29.47"
(748.54mm)
11.57"
(293.88mm)
125th Driest Driest since: 2003 1995
3rd Wettest Wettest to Date 2011
Jan–Sep 2004
9-Month
44.33"
(1,125.98mm)
32.52"
(826.01mm)
11.81"
(299.97mm)
125th Driest Driest since: 2003 1930
3rd Wettest Wettest to Date 2018
Dec 2003–Sep 2004
10-Month
48.50"
(1,231.90mm)
35.62"
(904.75mm)
12.88"
(327.15mm)
124th Driest Driest since: 2003 1963
3rd Wettest Wettest to Date 2011
Nov 2003–Sep 2004
11-Month
52.80"
(1,341.12mm)
38.83"
(986.28mm)
13.97"
(354.84mm)
124th Driest Driest since: 2003 1963
3rd Wettest Wettest to Date 2011
Oct 2003–Sep 2004
12-Month
56.99"
(1,447.55mm)
42.00"
(1,066.80mm)
14.99"
(380.75mm)
124th Driest Driest since: 2003 1925
3rd Wettest Wettest to Date 2011
Apr 2003–Sep 2004
18-Month
89.14"
(2,264.16mm)
65.31"
(1,658.87mm)
23.83"
(605.29mm)
125th Driest Driest since: 2003 1966
2nd Wettest Wettest to Date 2019
Oct 2002–Sep 2004
24-Month
110.13"
(2,797.30mm)
83.94"
(2,132.08mm)
26.19"
(665.22mm)
124th Driest Driest since: 2003 1966
2nd Wettest Wettest to Date 2019
Oct 2001–Sep 2004
36-Month
148.33"
(3,767.58mm)
125.94"
(3,198.88mm)
22.39"
(568.70mm)
121st Driest Driest since: 2003 1965
4th Wettest Wettest to Date 2019
Oct 2000–Sep 2004
48-Month
183.24"
(4,654.30mm)
167.94"
(4,265.68mm)
15.30"
(388.62mm)
107th Driest Driest since: 2003 1966
17th Wettest Wettest since: 1996 2021
Oct 1999–Sep 2004
60-Month
225.28"
(5,722.11mm)
209.89"
(5,331.21mm)
15.39"
(390.90mm)
102nd Driest Driest since: 2003 1966
21st Wettest Wettest since: 1998 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 23, 2022 from https://www.ncdc.noaa.gov/cag/