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 August 2022. For more information, please see Climatological Rankings.
Massachusetts
Precipitation Rankings, September 2021
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 2021 1-Month |
7.41" (188.21mm) | 3.79" (96.27mm) |
3.62" (91.94mm) | 118th Driest | Driest since: 2020 | 1914 |
| 10th Wettest | Wettest since: 2018 | 1938 | ||||
|
Aug–Sep 2021 2-Month |
12.58" (319.53mm) | 7.69" (195.33mm) |
4.89" (124.20mm) | 118th Driest | Driest since: 2020 | 1984 |
| 10th Wettest | Wettest since: 2018 | 2011 | ||||
|
Jul–Sep 2021 3-Month |
22.99" (583.95mm) | 11.37" (288.80mm) |
11.62" (295.15mm) | 127th Driest | Driest since: 2020 | 1968 |
| 1st Wettest | Wettest to Date | 2021 | ||||
|
Jun–Sep 2021 4-Month |
25.48" (647.19mm) | 15.02" (381.51mm) |
10.46" (265.68mm) | 126th Driest | Driest since: 2020 | 1957 |
| 2nd Wettest | Wettest since: 1938 | 1938 | ||||
|
May–Sep 2021 5-Month |
30.62" (777.75mm) | 18.61" (472.69mm) |
12.01" (305.06mm) | 126th Driest | Driest since: 2020 | 1964 |
| 2nd Wettest | Wettest since: 1938 | 1938 | ||||
|
Apr–Sep 2021 6-Month |
34.96" (887.98mm) | 22.51" (571.75mm) |
12.45" (316.23mm) | 126th Driest | Driest since: 2020 | 1964 |
| 2nd Wettest | Wettest since: 1938 | 1938 | ||||
|
Mar–Sep 2021 7-Month |
37.15" (943.61mm) | 26.45" (671.83mm) |
10.70" (271.78mm) | 125th Driest | Driest since: 2020 | 1965 |
| 3rd Wettest | Wettest since: 2011 | 1938 | ||||
|
Feb–Sep 2021 8-Month |
40.36" (1,025.14mm) | 29.66" (753.36mm) |
10.70" (271.78mm) | 124th Driest | Driest since: 2020 | 1957 |
| 4th Wettest | Wettest since: 2011 | 2008 | ||||
|
Jan–Sep 2021 9-Month |
42.63" (1,082.80mm) | 33.30" (845.82mm) |
9.33" (236.98mm) | 121st Driest | Driest since: 2020 | 1957 |
| 7th Wettest | Wettest since: 2018 | 2008 | ||||
|
Dec 2020–Sep 2021 10-Month |
49.00" (1,244.60mm) | 37.13" (943.10mm) |
11.87" (301.50mm) | 124th Driest | Driest since: 2020 | 1957 |
| 3rd Wettest | Wettest since: 2011 | 2008 | ||||
|
Nov 2020–Sep 2021 11-Month |
52.80" (1,341.12mm) | 41.15" (1,045.21mm) |
11.65" (295.91mm) | 122nd Driest | Driest since: 2020 | 1965 |
| 5th Wettest | Wettest since: 2011 | 2008 | ||||
|
Oct 2020–Sep 2021 12-Month |
57.97" (1,472.44mm) | 44.66" (1,134.36mm) |
13.31" (338.08mm) | 120th Driest | Driest since: 2020 | 1965 |
| 7th Wettest | Wettest since: 2011 | 2006 | ||||
|
Apr 2020–Sep 2021 18-Month |
76.17" (1,934.72mm) | 67.07" (1,703.58mm) |
9.10" (231.14mm) | 101st Driest | Driest since: 2020 | 1965 |
| 26th Wettest | Wettest since: 2019 | 2006 | ||||
| Ties: 1902 | ||||||
|
Oct 2019–Sep 2021 24-Month |
101.66" (2,582.16mm) | 89.25" (2,266.95mm) |
12.41" (315.21mm) | 110th Driest | Driest since: 2020 | 1966 |
| 16th Wettest | Wettest since: 2019 | 2007 | ||||
|
Oct 2018–Sep 2021 36-Month |
155.39" (3,946.91mm) | 133.88" (3,400.55mm) |
21.51" (546.36mm) | 116th Driest | Driest since: 2020 | 1966 |
| 9th Wettest | Wettest since: 2011 | 2008 | ||||
|
Oct 2017–Sep 2021 48-Month |
210.18" (5,338.57mm) | 178.50" (4,533.90mm) |
31.68" (804.67mm) | 119th Driest | Driest since: 2020 | 1966 |
| 5th Wettest | Wettest since: 2011 | 2009 | ||||
|
Oct 2016–Sep 2021 60-Month |
256.74" (6,521.20mm) | 223.10" (5,666.74mm) |
33.64" (854.46mm) | 115th Driest | Driest since: 2020 | 1966 |
| 8th Wettest | Wettest since: 2012 | 2010 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 24, 2022 from https://www.ncdc.noaa.gov/cag/