Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Massachusetts

Precipitation Rankings, August 1940

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1940
1-Month
1.73"
(43.94mm)
3.90"
(99.06mm)
-2.17"
(-55.12mm)
5th Driest
Driest since:
1984
124th Wettest
Wettest since:
1955
Ties: 1944
Jul–Aug 1940
2-Month
5.37"
(136.40mm)
7.58"
(192.53mm)
-2.21"
(-56.13mm)
20th Driest
Driest since:
1968
109th Wettest
Wettest since:
1955
Jun–Aug 1940
3-Month
8.35"
(212.09mm)
11.24"
(285.50mm)
-2.89"
(-73.41mm)
20th Driest
Driest since:
1949
109th Wettest
Wettest since:
1938
May–Aug 1940
4-Month
13.26"
(336.80mm)
14.83"
(376.68mm)
-1.57"
(-39.88mm)
46th Driest
Driest since:
1964
83rd Wettest
Wettest since:
2006
Apr–Aug 1940
5-Month
19.03"
(483.36mm)
18.73"
(475.74mm)
0.30"
(7.62mm)
65th Driest
Driest since:
1965
64th Wettest
Wettest since:
2006
Mar–Aug 1940
6-Month
23.48"
(596.39mm)
22.66"
(575.56mm)
0.82"
(20.83mm)
69th Driest
Driest since:
1965
60th Wettest
Wettest since:
1901
Feb–Aug 1940
7-Month
27.54"
(699.52mm)
25.87"
(657.10mm)
1.67"
(42.42mm)
77th Driest
Driest since:
1957
52nd Wettest
Wettest since:
1984
Jan–Aug 1940
8-Month
29.93"
(760.22mm)
29.51"
(749.55mm)
0.42"
(10.67mm)
66th Driest
Driest since:
1957
63rd Wettest
Wettest since:
1979
Dec 1939–Aug 1940
9-Month
32.87"
(834.90mm)
33.34"
(846.84mm)
-0.47"
(-11.94mm)
56th Driest
Driest since:
1965
72nd Wettest
Wettest since:
1984
Nov 1939–Aug 1940
10-Month
34.21"
(868.93mm)
37.36"
(948.94mm)
-3.15"
(-80.01mm)
38th Driest
Driest since:
1965
90th Wettest
Wettest since:
1984
Oct 1939–Aug 1940
11-Month
38.72"
(983.49mm)
40.88"
(1,038.35mm)
-2.16"
(-54.86mm)
43rd Driest
Driest since:
1965
85th Wettest
Wettest since:
2006
Sep 1939–Aug 1940
12-Month
41.33"
(1,049.78mm)
44.66"
(1,134.36mm)
-3.33"
(-84.58mm)
35th Driest
Driest since:
1965
93rd Wettest
Wettest since:
2006
Mar 1939–Aug 1940
18-Month
61.51"
(1,562.35mm)
67.23"
(1,707.64mm)
-5.72"
(-145.29mm)
23rd Driest
Driest since:
1966
105th Wettest
Wettest since:
1984
Sep 1938–Aug 1940
24-Month
87.07"
(2,211.58mm)
89.21"
(2,265.93mm)
-2.14"
(-54.35mm)
47th Driest
Driest since:
1966
80th Wettest
Wettest since:
2006
Sep 1937–Aug 1940
36-Month
140.96"
(3,580.38mm)
133.85"
(3,399.79mm)
7.11"
(180.59mm)
78th Driest
Driest since:
1966
48th Wettest
Wettest since:
2008
Sep 1936–Aug 1940
48-Month
188.97"
(4,799.84mm)
178.47"
(4,533.14mm)
10.50"
(266.70mm)
82nd Driest
Driest since:
1966
43rd Wettest
Wettest since:
2009
Sep 1935–Aug 1940
60-Month
235.00"
(5,969.00mm)
223.07"
(5,665.98mm)
11.93"
(303.02mm)
77th Driest
Driest since:
1966
47th Wettest
Wettest since:
2009

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