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.

Delaware

Precipitation Rankings, August 1977

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 1977
1-Month
3.75"
(95.25mm)
4.59"
(116.59mm)
-0.84"
(-21.34mm)
57th Driest
Driest since:
2008
72nd Wettest
Wettest since:
1967
Ties: 1935
Jul–Aug 1977
2-Month
5.92"
(150.37mm)
8.90"
(226.06mm)
-2.98"
(-75.69mm)
25th Driest
Driest since:
1966
104th Wettest
Wettest since:
1919
Jun–Aug 1977
3-Month
9.34"
(237.24mm)
12.54"
(318.52mm)
-3.20"
(-81.28mm)
29th Driest
Driest since:
1966
100th Wettest
Wettest since:
2013
May–Aug 1977
4-Month
11.02"
(279.91mm)
16.10"
(408.94mm)
-5.08"
(-129.03mm)
13th Driest
Driest since:
1964
116th Wettest
Wettest since:
1919
Apr–Aug 1977
5-Month
13.71"
(348.23mm)
19.58"
(497.33mm)
-5.87"
(-149.10mm)
9th Driest
Driest since:
1957
120th Wettest
Wettest since:
1919
Mar–Aug 1977
6-Month
16.30"
(414.02mm)
23.55"
(598.17mm)
-7.25"
(-184.15mm)
7th Driest
Driest since:
1930
122nd Wettest
Wettest since:
1989
Feb–Aug 1977
7-Month
17.91"
(454.91mm)
26.60"
(675.64mm)
-8.69"
(-220.73mm)
4th Driest
Driest since:
1930
125th Wettest
Wettest since:
1958
Jan–Aug 1977
8-Month
20.32"
(516.13mm)
30.09"
(764.29mm)
-9.77"
(-248.16mm)
2nd Driest
Driest since:
1930
127th Wettest
Wettest since:
1958
Dec 1976–Aug 1977
9-Month
23.02"
(584.71mm)
33.55"
(852.17mm)
-10.53"
(-267.46mm)
3rd Driest
Driest since:
1930
125th Wettest
Wettest since:
1958
Nov 1976–Aug 1977
10-Month
24.02"
(610.11mm)
36.62"
(930.15mm)
-12.60"
(-320.04mm)
1st Driest
Driest since:
1977
127th Wettest
Wettest since:
1958
Oct 1976–Aug 1977
11-Month
31.89"
(810.01mm)
39.77"
(1,010.16mm)
-7.88"
(-200.15mm)
11th Driest
Driest since:
1966
117th Wettest
Wettest since:
1958
Sep 1976–Aug 1977
12-Month
35.36"
(898.14mm)
43.36"
(1,101.34mm)
-8.00"
(-203.20mm)
11th Driest
Driest since:
1966
117th Wettest
Wettest since:
1958
Mar 1976–Aug 1977
18-Month
51.77"
(1,314.96mm)
66.82"
(1,697.23mm)
-15.05"
(-382.27mm)
3rd Driest
Driest since:
1966
125th Wettest
Wettest since:
1984
Sep 1975–Aug 1977
24-Month
75.16"
(1,909.06mm)
86.56"
(2,198.62mm)
-11.40"
(-289.56mm)
11th Driest
Driest since:
1966
116th Wettest
Wettest since:
2004
Sep 1974–Aug 1977
36-Month
124.60"
(3,164.84mm)
129.84"
(3,297.94mm)
-5.24"
(-133.10mm)
35th Driest
Driest since:
1966
91st Wettest
Wettest since:
2005
Sep 1973–Aug 1977
48-Month
165.19"
(4,195.83mm)
173.06"
(4,395.72mm)
-7.87"
(-199.89mm)
26th Driest
Driest since:
1966
99th Wettest
Wettest since:
1939
Sep 1972–Aug 1977
60-Month
216.29"
(5,493.77mm)
216.24"
(5,492.50mm)
0.05"
(1.27mm)
52nd Driest
Driest since:
1966
72nd Wettest
Wettest since:
1937

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