Statewide Rankings

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

Maine

September 1999 Precipitation Rankings

View Period (Months):
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2025)
Driest/Wettest
Since
Record
September 1999
1-Month
9.04in
(229.62mm)
3.69in
(93.73mm)
5.35in130th Driest
Driest since:
2020
1st WettestWettest to Date1999
Aug–Sep 1999
2-Month
12.11in
(307.59mm)
7.20in
(182.88mm)
4.91in128th Driest
Driest since:
1948
3rd Wettest
Wettest since:
1954
Jul–Sep 1999
3-Month
15.28in
(388.11mm)
10.99in
(279.15mm)
4.29in123rd Driest
Driest since:
1968
8th Wettest
Wettest since:
1954
Jun–Sep 1999
4-Month
18.65in
(473.71mm)
14.72in
(373.89mm)
3.93in115th Driest
Driest since:
1948
16th Wettest
Wettest since:
1954
Ties: 1996
May–Sep 1999
5-Month
21.50in
(546.10mm)
18.11in
(459.99mm)
3.39in107th Driest
Driest since:
2020
24th Wettest
Wettest since:
1954
Apr–Sep 1999
6-Month
22.37in
(568.20mm)
21.46in
(545.08mm)
0.91in74th Driest
Driest since:
1903
57th Wettest
Wettest since:
1954
Mar–Sep 1999
7-Month
27.78in
(705.61mm)
24.78in
(629.41mm)
3.00in99th Driest
Driest since:
1965
32nd Wettest
Wettest since:
1954
Feb–Sep 1999
8-Month
30.00in
(762.00mm)
27.56in
(700.02mm)
2.44in90th Driest
Driest since:
1965
41st Wettest
Wettest since:
1954
Jan–Sep 1999
9-Month
35.43in
(899.92mm)
30.86in
(783.84mm)
4.57in109th Driest
Driest since:
1965
22nd Wettest
Wettest since:
1954
Dec 1998–Sep 1999
10-Month
37.37in
(949.20mm)
34.36in
(872.74mm)
3.01in92nd Driest
Driest since:
1965
38th Wettest
Wettest since:
1954
Nov 1998–Sep 1999
11-Month
40.06in
(1,017.52mm)
38.28in
(972.31mm)
1.78in78th Driest
Driest since:
1965
52nd Wettest
Wettest since:
2008
Oct 1998–Sep 1999
12-Month
45.10in
(1,145.54mm)
41.99in3.11in88th Driest
Driest since:
1948
42nd Wettest
Wettest since:
2006
Apr 1998–Sep 1999
18-Month
67.71in
(1,719.83mm)
63.43in4.28in94th Driest
Driest since:
1965
36th Wettest
Wettest since:
2006
Oct 1997–Sep 1999
24-Month
88.84in
(2,256.54mm)
84.02in4.82in88th Driest
Driest since:
1966
41st Wettest
Wettest since:
2006
Oct 1996–Sep 1999
36-Month
132.34in
(3,361.44mm)
125.99in6.35in87th Driest
Driest since:
1966
41st Wettest
Wettest since:
2008
Oct 1995–Sep 1999
48-Month
187.90in
(4,772.66mm)
167.97in19.93in113th Driest
Driest since:
1968
14th Wettest
Wettest since:
2008
Oct 1994–Sep 1999
60-Month
222.76in
(5,658.10mm)
209.93in12.83in95th Driest
Driest since:
1968
31st Wettest
Wettest since:
2009

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