Climate at a Glance
Statewide 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 March 2021. For more information, please see Climatological Rankings.
Wyoming
Precipitation Rankings, September 1977
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 1977 1-Month |
0.85" (21.59mm) | 1.24" (31.50mm) |
-0.39" (-9.91mm) | 42nd Driest | Driest since: 1975 | 1979 |
| 85th Wettest | Wettest since: 1976 | 1923 | ||||
| Ties: 2005 | ||||||
|
Aug–Sep 1977 2-Month |
2.57" (65.28mm) | 2.31" (58.67mm) |
0.26" (6.61mm) | 82nd Driest | Driest since: 1976 | 2012 |
| 45th Wettest | Wettest since: 1973 | 1923 | ||||
|
Jul–Sep 1977 3-Month |
4.50" (114.30mm) | 3.59" (91.19mm) |
0.91" (23.11mm) | 105th Driest | Driest since: 1976 | 1964 |
| 22nd Wettest | Wettest since: 1973 | 1923 | ||||
| Ties: 1925 | ||||||
|
Jun–Sep 1977 4-Month |
5.56" (141.22mm) | 5.43" (137.92mm) |
0.13" (3.30mm) | 76th Driest | Driest since: 1975 | 2012 |
| 51st Wettest | Wettest since: 1976 | 1923 | ||||
| Ties: 1991, 1999 | ||||||
|
May–Sep 1977 5-Month |
7.71" (195.83mm) | 7.64" (194.06mm) |
0.07" (1.77mm) | 68th Driest | Driest since: 1976 | 1919 |
| 59th Wettest | Wettest since: 1976 | 1915 | ||||
| Ties: 1976 | ||||||
|
Apr–Sep 1977 6-Month |
9.00" (228.60mm) | 9.42" (239.27mm) |
-0.42" (-10.67mm) | 55th Driest | Driest since: 1974 | 2012 |
| 72nd Wettest | Wettest since: 1976 | 1941 | ||||
|
Mar–Sep 1977 7-Month |
10.54" (267.72mm) | 10.67" (271.02mm) |
-0.13" (-3.30mm) | 62nd Driest | Driest since: 1974 | 2012 |
| 65th Wettest | Wettest since: 1976 | 1941 | ||||
| Ties: 1920 | ||||||
|
Feb–Sep 1977 8-Month |
10.93" (277.62mm) | 11.63" (295.40mm) |
-0.70" (-17.78mm) | 43rd Driest | Driest since: 1974 | 2012 |
| 84th Wettest | Wettest since: 1976 | 1945 | ||||
| Ties: 1961 | ||||||
|
Jan–Sep 1977 9-Month |
11.75" (298.45mm) | 12.70" (322.58mm) |
-0.95" (-24.13mm) | 39th Driest | Driest since: 1974 | 1919 |
| 88th Wettest | Wettest since: 1976 | 1915, 1945 | ||||
|
Dec 1976–Sep 1977 10-Month |
12.09" (307.09mm) | 13.71" (348.23mm) |
-1.62" (-41.14mm) | 28th Driest | Driest since: 1974 | 1919 |
| 98th Wettest | Wettest since: 1976 | 1923 | ||||
|
Nov 1976–Sep 1977 11-Month |
12.47" (316.74mm) | 14.74" (374.40mm) |
-2.27" (-57.66mm) | 22nd Driest | Driest since: 1966 | 1919 |
| 104th Wettest | Wettest since: 1976 | 1923 | ||||
|
Oct 1976–Sep 1977 12-Month |
13.21" (335.53mm) | 15.94" (404.88mm) |
-2.73" (-69.35mm) | 20th Driest | Driest since: 1966 | 1919 |
| 106th Wettest | Wettest since: 1976 | 1995 | ||||
|
Apr 1976–Sep 1977 18-Month |
23.16" (588.26mm) | 25.35" (643.89mm) |
-2.19" (-55.63mm) | 34th Driest | Driest since: 1975 | 1911 |
| 92nd Wettest | Wettest since: 1976 | 1945 | ||||
|
Oct 1975–Sep 1977 24-Month |
30.29" (769.37mm) | 31.88" (809.75mm) |
-1.59" (-40.38mm) | 41st Driest | Driest since: 1975 | 2002 |
| 84th Wettest | Wettest since: 1976 | 1998 | ||||
|
Oct 1974–Sep 1977 36-Month |
46.33" (1,176.78mm) | 47.81" (1,214.37mm) |
-1.48" (-37.59mm) | 43rd Driest | Driest since: 1966 | 2002 |
| 81st Wettest | Wettest since: 1976 | 1997 | ||||
|
Oct 1973–Sep 1977 48-Month |
60.08" (1,526.03mm) | 63.72" (1,618.49mm) |
-3.64" (-92.46mm) | 34th Driest | Driest since: 1963 | 2003 |
| 89th Wettest | Wettest since: 1976 | 1998 | ||||
|
Oct 1972–Sep 1977 60-Month |
78.57" (1,995.68mm) | 79.56" (2,020.82mm) |
-0.99" (-25.14mm) | 57th Driest | Driest since: 1970 | 2004 |
| 65th Wettest | Wettest since: 1976 | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 14, 2021 from https://www.ncdc.noaa.gov/cag/