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.

New Hampshire

Precipitation Rankings, April 2018

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
April 2018
1-Month 		4.66"
(118.36mm)		 3.56"
(90.42mm)		 1.10"
(27.94mm)		 101st Driest
Driest since:
 1941
28th Wettest
Wettest since:
 2007
Mar–Apr 2018
2-Month 		7.42"
(188.47mm)		 7.08"
(179.83mm)		 0.34"
(8.64mm)		 80th Driest
Driest since:
 1915
49th Wettest
Wettest since:
 1936
Feb–Apr 2018
3-Month 		10.85"
(275.59mm)		 9.96"
(252.98mm)		 0.89"
(22.61mm)		 83rd Driest
Driest since:
 1941
46th Wettest
Wettest since:
 2008
Jan–Apr 2018
4-Month 		14.99"
(380.75mm)		 13.25"
(336.55mm)		 1.74"
(44.20mm)		 101st Driest
Driest since:
 1941
28th Wettest
Wettest since:
 1936
Dec 2017–Apr 2018
5-Month 		18.46"
(468.88mm)		 16.80"
(426.72mm)		 1.66"
(42.16mm)		 91st Driest
Driest since:
 1941
37th Wettest
Wettest since:
 1953
Nov 2017–Apr 2018
6-Month 		20.50"
(520.70mm)		 20.77"
(527.56mm)		 -0.27"
(-6.86mm)		 62nd Driest
Driest since:
 1905
66th Wettest
Wettest since:
 1984
Oct 2017–Apr 2018
7-Month 		28.33"
(719.58mm)		 24.30"
(617.22mm)		 4.03"
(102.36mm)		 101st Driest
Driest since:
 1905
27th Wettest
Wettest since:
 1996
Sep 2017–Apr 2018
8-Month 		31.29"
(794.77mm)		 28.11"
(713.99mm)		 3.18"
(80.78mm)		 93rd Driest
Driest since:
 1915
35th Wettest
Wettest since:
 1996
Aug 2017–Apr 2018
9-Month 		34.95"
(887.73mm)		 31.88"
(809.75mm)		 3.07"
(77.98mm)		 89th Driest
Driest since:
 1915
39th Wettest
Wettest since:
 2019
Jul 2017–Apr 2018
10-Month 		38.84"
(986.54mm)		 35.89"
(911.61mm)		 2.95"
(74.93mm)		 87th Driest
Driest since:
 1915
41st Wettest
Wettest since:
 2019
Jun 2017–Apr 2018
11-Month 		44.08"
(1,119.63mm)		 39.81"
(1,011.17mm)		 4.27"
(108.46mm)		 94th Driest
Driest since:
 1965
34th Wettest
Wettest since:
 2007
May 2017–Apr 2018
12-Month 		50.63"
(1,286.00mm)		 43.42"
(1,102.87mm)		 7.21"
(183.13mm)		 111th Driest
Driest since:
 1915
17th Wettest
Wettest since:
 2007
Nov 2016–Apr 2018
18-Month 		71.39"
(1,813.31mm)		 64.20"
(1,630.68mm)		 7.19"
(182.63mm)		 100th Driest
Driest since:
 1966
27th Wettest
Wettest since:
 2007
May 2016–Apr 2018
24-Month 		91.05"
(2,312.67mm)		 86.75"
(2,203.45mm)		 4.30"
(109.22mm)		 76th Driest
Driest since:
 1966
51st Wettest
Wettest since:
 2007
May 2015–Apr 2018
36-Month 		137.52"
(3,493.01mm)		 130.08"
(3,304.03mm)		 7.44"
(188.98mm)		 80th Driest
Driest since:
 1967
46th Wettest
Wettest since:
 2008
May 2014–Apr 2018
48-Month 		183.10"
(4,650.74mm)		 173.49"
(4,406.65mm)		 9.61"
(244.09mm)		 85th Driest
Driest since:
 1967
40th Wettest
Wettest since:
 2010
May 2013–Apr 2018
60-Month 		233.34"
(5,926.84mm)		 216.77"
(5,505.96mm)		 16.57"
(420.88mm)		 97th Driest
Driest since:
 1968
27th Wettest
Wettest since:
 2010

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