Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Southwest Climate Region

Precipitation Rankings, June 1978

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
June 1978
1-Month
0.95"
(24.13mm)
0.94"
(23.88mm)
0.01"
(0.25mm)
81st Driest
Driest since:
1924, 2012
48th Wettest
Wettest since:
1903
Ties: 1962
May–Jun 1978
2-Month
2.49"
(63.25mm)
2.05"
(52.07mm)
0.44"
(11.18mm)
99th Driest
Driest since:
2002
30th Wettest
Wettest since:
2015
Apr–Jun 1978
3-Month
3.46"
(87.88mm)
3.11"
(78.99mm)
0.35"
(8.89mm)
92nd Driest
Driest since:
2002
37th Wettest
Wettest since:
1941
Mar–Jun 1978
4-Month
5.38"
(136.65mm)
4.26"
(108.20mm)
1.12"
(28.45mm)
112th Driest
Driest since:
2002
17th Wettest
Wettest since:
1941
Feb–Jun 1978
5-Month
6.87"
(174.50mm)
5.26"
(133.60mm)
1.61"
(40.90mm)
122nd Driest
Driest since:
2002
7th Wettest
Wettest since:
1905
Jan–Jun 1978
6-Month
8.75"
(222.25mm)
6.25"
(158.75mm)
2.50"
(63.50mm)
120th Driest
Driest since:
2002
9th Wettest
Wettest since:
1905
Dec 1977–Jun 1978
7-Month
9.52"
(241.81mm)
7.26"
(184.40mm)
2.26"
(57.41mm)
117th Driest
Driest since:
2002
11th Wettest
Wettest since:
1941
Nov 1977–Jun 1978
8-Month
10.23"
(259.84mm)
8.15"
(207.01mm)
2.08"
(52.83mm)
112th Driest
Driest since:
2002
16th Wettest
Wettest since:
1941
Oct 1977–Jun 1978
9-Month
11.10"
(281.94mm)
9.28"
(235.71mm)
1.82"
(46.23mm)
104th Driest
Driest since:
2002
24th Wettest
Wettest since:
1941
Sep 1977–Jun 1978
10-Month
12.16"
(308.86mm)
10.65"
(270.51mm)
1.51"
(38.35mm)
102nd Driest
Driest since:
2002
26th Wettest
Wettest since:
1941
Aug 1977–Jun 1978
11-Month
14.45"
(367.03mm)
12.66"
(321.56mm)
1.79"
(45.47mm)
104th Driest
Driest since:
2002
24th Wettest
Wettest since:
1941
Jul 1977–Jun 1978
12-Month
16.66"
(423.16mm)
14.53"
(369.06mm)
2.13"
(54.10mm)
105th Driest
Driest since:
2002
23rd Wettest
Wettest since:
1941
Jan 1977–Jun 1978
18-Month
21.43"
(544.32mm)
20.78"
(527.81mm)
0.65"
(16.51mm)
81st Driest
Driest since:
2021
47th Wettest
Wettest since:
1942
Jul 1976–Jun 1978
24-Month
27.96"
(710.18mm)
29.06"
(738.12mm)
-1.10"
(-27.94mm)
58th Driest
Driest since:
2021
69th Wettest
Wettest since:
1942
Jul 1975–Jun 1978
36-Month
40.25"
(1,022.35mm)
43.54"
(1,105.92mm)
-3.29"
(-83.57mm)
34th Driest
Driest since:
2022
92nd Wettest
Wettest since:
1907
Jul 1974–Jun 1978
48-Month
55.05"
(1,398.27mm)
58.01"
(1,473.45mm)
-2.96"
(-75.18mm)
40th Driest
Driest since:
1956
85th Wettest
Wettest since:
1986
Ties: 2009
Jul 1973–Jun 1978
60-Month
65.26"
(1,657.60mm)
72.49"
(1,841.25mm)
-7.23"
(-183.65mm)
16th Driest
Driest since:
1957
108th Wettest
Wettest since:
1987

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