Climate at a Glance
National Rankings
Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of January 2021. For more information, please see Climatological Rankings.
Contiguous U.S.
Precipitation Rankings, September 1978
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 1978 1-Month |
2.44" (61.98mm) | 2.49" (63.25mm) |
-0.05" (-1.27mm) | 51st Driest | Driest since: 1969 | 1956 |
| 76th Wettest | Wettest since: 1977 | 1986 | ||||
| Ties: 1918, 1920, 1966, 2020 | ||||||
|
Aug–Sep 1978 2-Month |
5.21" (132.33mm) | 5.11" (129.79mm) |
0.10" (2.54mm) | 72nd Driest | Driest since: 1976 | 1956 |
| 55th Wettest | Wettest since: 1977 | 1977 | ||||
|
Jul–Sep 1978 3-Month |
7.96" (202.18mm) | 7.88" (200.15mm) |
0.08" (2.03mm) | 72nd Driest | Driest since: 1976 | 1930 |
| 55th Wettest | Wettest since: 1977 | 1915 | ||||
| Ties: 1966, 1968 | ||||||
|
Jun–Sep 1978 4-Month |
10.51" (266.95mm) | 10.81" (274.57mm) |
-0.30" (-7.62mm) | 42nd Driest | Driest since: 1976 | 1930 |
| 85th Wettest | Wettest since: 1977 | 1915 | ||||
|
May–Sep 1978 5-Month |
14.15" (359.41mm) | 13.72" (348.49mm) |
0.43" (10.92mm) | 77th Driest | Driest since: 1976 | 1956 |
| 50th Wettest | Wettest since: 1977 | 1915 | ||||
| Ties: 1912, 1927 | ||||||
|
Apr–Sep 1978 6-Month |
16.69" (423.93mm) | 16.24" (412.50mm) |
0.45" (11.43mm) | 77th Driest | Driest since: 1976 | 1956 |
| 50th Wettest | Wettest since: 1977 | 1915 | ||||
| Ties: 2011 | ||||||
|
Mar–Sep 1978 7-Month |
18.95" (481.33mm) | 18.75" (476.25mm) |
0.20" (5.08mm) | 65th Driest | Driest since: 1976 | 1956 |
| 62nd Wettest | Wettest since: 1977 | 1973 | ||||
| Ties: 1984 | ||||||
|
Feb–Sep 1978 8-Month |
20.72" (526.29mm) | 20.88" (530.35mm) |
-0.16" (-4.06mm) | 57th Driest | Driest since: 1976 | 1930 |
| 70th Wettest | Wettest since: 1977 | 2019 | ||||
|
Jan–Sep 1978 9-Month |
23.90" (607.06mm) | 23.20" (589.28mm) |
0.70" (17.78mm) | 80th Driest | Driest since: 1977 | 1934 |
| 47th Wettest | Wettest since: 1975 | 2019 | ||||
|
Dec 1977–Sep 1978 10-Month |
26.62" (676.15mm) | 25.54" (648.72mm) |
1.08" (27.43mm) | 84th Driest | Driest since: 1977 | 1931 |
| 42nd Wettest | Wettest since: 1975 | 2019 | ||||
|
Nov 1977–Sep 1978 11-Month |
29.48" (748.79mm) | 27.77" (705.36mm) |
1.71" (43.43mm) | 99th Driest | Driest since: 1977 | 1934 |
| 27th Wettest | Wettest since: 1975 | 2019 | ||||
|
Oct 1977–Sep 1978 12-Month |
31.67" (804.42mm) | 29.94" (760.48mm) |
1.73" (43.94mm) | 94th Driest | Driest since: 1977 | 1934 |
| 32nd Wettest | Wettest since: 1975 | 2019 | ||||
|
Apr 1977–Sep 1978 18-Month |
48.43" (1,230.12mm) | 46.20" (1,173.48mm) |
2.23" (56.64mm) | 91st Driest | Driest since: 1977 | 1931 |
| 35th Wettest | Wettest since: 1975 | 2019 | ||||
|
Oct 1976–Sep 1978 24-Month |
59.25" (1,504.95mm) | 59.92" (1,521.97mm) |
-0.67" (-17.02mm) | 47th Driest | Driest since: 1977 | 1918 |
| 78th Wettest | Wettest since: 1976 | 2020 | ||||
|
Oct 1975–Sep 1978 36-Month |
87.34" (2,218.44mm) | 89.87" (2,282.70mm) |
-2.53" (-64.26mm) | 32nd Driest | Driest since: 1968 | 1956 |
| 92nd Wettest | Wettest since: 1977 | 2019 | ||||
|
Oct 1974–Sep 1978 48-Month |
120.29" (3,055.37mm) | 119.78" (3,042.41mm) |
0.51" (12.96mm) | 63rd Driest | Driest since: 1971 | 1956 |
| 60th Wettest | Wettest since: 1977 | 2019 | ||||
|
Oct 1973–Sep 1978 60-Month |
152.93" (3,884.42mm) | 149.66" (3,801.36mm) |
3.27" (83.06mm) | 81st Driest | Driest since: 1972 | 1956 |
| 41st Wettest | Wettest since: 1977 | 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published February 2021, retrieved on March 8, 2021 from https://www.ncdc.noaa.gov/cag/