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 1939

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
August 1939
1-Month
4.25"
(107.95mm)
3.90"
(99.06mm)
0.35"
(8.89mm)
85th Driest
Driest since:
1984
44th Wettest
Wettest since:
1955
Jul–Aug 1939
2-Month
5.96"
(151.38mm)
7.58"
(192.53mm)
-1.62"
(-41.15mm)
32nd Driest
Driest since:
1968
97th Wettest
Wettest since:
1955
Jun–Aug 1939
3-Month
9.22"
(234.19mm)
11.24"
(285.50mm)
-2.02"
(-51.31mm)
32nd Driest
Driest since:
1949
97th Wettest
Wettest since:
1938
May–Aug 1939
4-Month
10.77"
(273.56mm)
14.83"
(376.68mm)
-4.06"
(-103.12mm)
16th Driest
Driest since:
1964
113th Wettest
Wettest since:
2006
Apr–Aug 1939
5-Month
15.53"
(394.46mm)
18.73"
(475.74mm)
-3.20"
(-81.28mm)
26th Driest
Driest since:
1965
103rd Wettest
Wettest since:
2006
Mar–Aug 1939
6-Month
20.18"
(512.57mm)
22.66"
(575.56mm)
-2.48"
(-62.99mm)
34th Driest
Driest since:
1965
95th Wettest
Wettest since:
1901
Feb–Aug 1939
7-Month
23.91"
(607.31mm)
25.87"
(657.10mm)
-1.96"
(-49.79mm)
37th Driest
Driest since:
1957
92nd Wettest
Wettest since:
1984
Jan–Aug 1939
8-Month
26.64"
(676.66mm)
29.51"
(749.55mm)
-2.87"
(-72.89mm)
32nd Driest
Driest since:
1957
97th Wettest
Wettest since:
1979
Dec 1938–Aug 1939
9-Month
30.08"
(764.03mm)
33.34"
(846.84mm)
-3.26"
(-82.81mm)
30th Driest
Driest since:
1965
98th Wettest
Wettest since:
1984
Ties: 1932
Nov 1938–Aug 1939
10-Month
33.34"
(846.84mm)
37.36"
(948.94mm)
-4.02"
(-102.10mm)
33rd Driest
Driest since:
1965
95th Wettest
Wettest since:
1984
Oct 1938–Aug 1939
11-Month
35.91"
(912.11mm)
40.88"
(1,038.35mm)
-4.97"
(-126.24mm)
25th Driest
Driest since:
1965
103rd Wettest
Wettest since:
2006
Sep 1938–Aug 1939
12-Month
45.74"
(1,161.80mm)
44.66"
(1,134.36mm)
1.08"
(27.44mm)
66th Driest
Driest since:
1965
62nd Wettest
Wettest since:
2006
Mar 1938–Aug 1939
18-Month
74.73"
(1,898.14mm)
67.23"
(1,707.64mm)
7.50"
(190.50mm)
101st Driest
Driest since:
1966
27th Wettest
Wettest since:
1984
Sep 1937–Aug 1939
24-Month
99.63"
(2,530.60mm)
89.21"
(2,265.93mm)
10.42"
(264.67mm)
102nd Driest
Driest since:
1966
25th Wettest
Wettest since:
2006
Sep 1936–Aug 1939
36-Month
147.64"
(3,750.06mm)
133.85"
(3,399.79mm)
13.79"
(350.27mm)
102nd Driest
Driest since:
1966
24th Wettest
Wettest since:
2008
Sep 1935–Aug 1939
48-Month
193.67"
(4,919.22mm)
178.47"
(4,533.14mm)
15.20"
(386.08mm)
97th Driest
Driest since:
1966
28th Wettest
Wettest to Date
2009
Sep 1934–Aug 1939
60-Month
237.85"
(6,041.39mm)
223.07"
(5,665.98mm)
14.78"
(375.41mm)
88th Driest
Driest since:
1966
36th Wettest
Wettest since:
2009

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