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 August 2022. For more information, please see Climatological Rankings.
Wyoming
Precipitation Rankings, December 1999
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
December 1999 1-Month |
0.78" (19.81mm) | 1.01" (25.65mm) |
-0.23" (-5.84mm) | 37th Driest | Driest since: 1993 | 1986 |
| 91st Wettest | Wettest since: 1998 | 1964, 1996 | ||||
| Ties: 1931, 1953, 1957 | ||||||
|
Nov–Dec 1999 2-Month |
1.36" (34.54mm) | 2.05" (52.07mm) |
-0.69" (-17.53mm) | 16th Driest | Driest since: 1976 | 1914 |
| 112th Wettest | Wettest since: 1998 | 1983 | ||||
|
Oct–Dec 1999 3-Month |
1.75" (44.45mm) | 3.24" (82.30mm) |
-1.49" (-37.85mm) | 6th Driest | Driest since: 1976 | 1976 |
| 122nd Wettest | Wettest since: 1998 | 1942 | ||||
|
Sep–Dec 1999 4-Month |
3.29" (83.57mm) | 4.48" (113.79mm) |
-1.19" (-30.22mm) | 16th Driest | Driest since: 1979 | 1952 |
| 112th Wettest | Wettest since: 1998 | 2013 | ||||
|
Aug–Dec 1999 5-Month |
4.33" (109.98mm) | 5.55" (140.97mm) |
-1.22" (-30.99mm) | 22nd Driest | Driest since: 1988 | 1904 |
| 106th Wettest | Wettest since: 1998 | 1923 | ||||
|
Jul–Dec 1999 6-Month |
5.14" (130.56mm) | 6.83" (173.48mm) |
-1.69" (-42.92mm) | 18th Driest | Driest since: 1988 | 1939 |
| 110th Wettest | Wettest since: 1998 | 1923 | ||||
|
Jun–Dec 1999 7-Month |
7.31" (185.67mm) | 8.67" (220.22mm) |
-1.36" (-34.55mm) | 30th Driest | Driest since: 1988 | 1935 |
| 98th Wettest | Wettest since: 1998 | 1923 | ||||
|
May–Dec 1999 8-Month |
9.49" (241.05mm) | 10.88" (276.35mm) |
-1.39" (-35.30mm) | 39th Driest | Driest since: 1988 | 1900 |
| 89th Wettest | Wettest since: 1998 | 1923 | ||||
|
Apr–Dec 1999 9-Month |
12.80" (325.12mm) | 12.66" (321.56mm) |
0.14" (3.56mm) | 70th Driest | Driest since: 1994 | 1954 |
| 58th Wettest | Wettest since: 1998 | 1941 | ||||
|
Mar–Dec 1999 10-Month |
13.55" (344.17mm) | 13.91" (353.31mm) |
-0.36" (-9.14mm) | 59th Driest | Driest since: 1994 | 2012 |
| 69th Wettest | Wettest since: 1998 | 1941 | ||||
|
Feb–Dec 1999 11-Month |
14.72" (373.89mm) | 14.88" (377.95mm) |
-0.16" (-4.06mm) | 63rd Driest | Driest since: 1994 | 2012 |
| 65th Wettest | Wettest since: 1998 | 1941 | ||||
|
Jan–Dec 1999 12-Month |
15.94" (404.88mm) | 15.94" (404.88mm) |
0.00" (0.00mm) | 62nd Driest | Driest since: 1994 | 2012 |
| 66th Wettest | Wettest since: 1998 | 1927 | ||||
|
Jul 1998–Dec 1999 18-Month |
25.25" (641.35mm) | 22.77" (578.36mm) |
2.48" (62.99mm) | 101st Driest | Driest since: 1996 | 1934 |
| 26th Wettest | Wettest since: 1998 | 1927 | ||||
|
Jan 1998–Dec 1999 24-Month |
35.51" (901.95mm) | 31.87" (809.50mm) |
3.64" (92.45mm) | 109th Driest | Driest since: 1997 | 2002 |
| 18th Wettest | Wettest since: 1998 | 1983 | ||||
|
Jan 1997–Dec 1999 36-Month |
53.49" (1,358.65mm) | 47.82" (1,214.63mm) |
5.67" (144.02mm) | 115th Driest | Driest since: 1996 | 2002 |
| 11th Wettest | Wettest since: 1998 | 1947 | ||||
| Ties: 1908 | ||||||
|
Jan 1996–Dec 1999 48-Month |
70.79" (1,798.07mm) | 63.72" (1,618.49mm) |
7.07" (179.58mm) | 118th Driest | Driest since: 1997 | 2003 |
| 7th Wettest | Wettest since: 1998 | 1998 | ||||
|
Jan 1995–Dec 1999 60-Month |
91.07" (2,313.18mm) | 79.58" (2,021.33mm) |
11.49" (291.85mm) | 123rd Driest | Driest since: 1998 | 1935 |
| 1st Wettest | Wettest to Date | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 29, 2022 from https://www.ncdc.noaa.gov/cag/