Climate at a Glance
Regional 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.
West Climate Region
Precipitation Rankings, May 1999
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 1999 1-Month |
0.50" (12.70mm) | 0.92" (23.37mm) |
-0.42" (-10.67mm) | 28th Driest | Driest since: 1997 | 1924 |
| 99th Wettest | Wettest since: 1998 | 1998 | ||||
| Ties: 1903, 1919, 1928, 1940 | ||||||
|
Apr–May 1999 2-Month |
2.27" (57.66mm) | 2.26" (57.40mm) |
0.01" (0.26mm) | 70th Driest | Driest since: 1997 | 1909 |
| 57th Wettest | Wettest since: 1998 | 1896 | ||||
| Ties: 1977 | ||||||
|
Mar–May 1999 3-Month |
3.84" (97.54mm) | 4.59" (116.59mm) |
-0.75" (-19.05mm) | 52nd Driest | Driest since: 1997 | 2008 |
| 75th Wettest | Wettest since: 1998 | 1995 | ||||
|
Feb–May 1999 4-Month |
7.08" (179.83mm) | 7.31" (185.67mm) |
-0.23" (-5.84mm) | 67th Driest | Driest since: 1997 | 1997 |
| 60th Wettest | Wettest since: 1998 | 1998 | ||||
|
Jan–May 1999 5-Month |
9.69" (246.13mm) | 10.29" (261.37mm) |
-0.60" (-15.24mm) | 65th Driest | Driest since: 1997 | 2013 |
| 62nd Wettest | Wettest since: 1998 | 1998 | ||||
|
Dec 1998–May 1999 6-Month |
10.83" (275.08mm) | 12.84" (326.14mm) |
-2.01" (-51.06mm) | 47th Driest | Driest since: 1994 | 1924 |
| 79th Wettest | Wettest since: 1998 | 1995 | ||||
|
Nov 1998–May 1999 7-Month |
13.74" (349.00mm) | 14.71" (373.63mm) |
-0.97" (-24.63mm) | 60th Driest | Driest since: 1994 | 1977 |
| 66th Wettest | Wettest since: 1998 | 1995 | ||||
|
Oct 1998–May 1999 8-Month |
14.65" (372.11mm) | 15.74" (399.80mm) |
-1.09" (-27.69mm) | 60th Driest | Driest since: 1994 | 1977 |
| 66th Wettest | Wettest since: 1998 | 1983 | ||||
|
Sep 1998–May 1999 9-Month |
15.86" (402.84mm) | 16.23" (412.24mm) |
-0.37" (-9.40mm) | 65th Driest | Driest since: 1994 | 1924 |
| 61st Wettest | Wettest since: 1998 | 1983 | ||||
|
Aug 1998–May 1999 10-Month |
16.05" (407.67mm) | 16.62" (422.15mm) |
-0.57" (-14.48mm) | 61st Driest | Driest since: 1994 | 1924 |
| 65th Wettest | Wettest since: 1998 | 1983 | ||||
|
Jul 1998–May 1999 11-Month |
16.53" (419.86mm) | 16.95" (430.53mm) |
-0.42" (-10.67mm) | 65th Driest | Driest since: 1994 | 1924 |
| 61st Wettest | Wettest since: 1998 | 1983 | ||||
|
Jun 1998–May 1999 12-Month |
17.71" (449.83mm) | 17.44" (442.98mm) |
0.27" (6.85mm) | 74th Driest | Driest since: 1994 | 1924 |
| 52nd Wettest | Wettest since: 1998 | 1983 | ||||
|
Dec 1997–May 1999 18-Month |
40.02" (1,016.51mm) | 30.25" (768.35mm) |
9.77" (248.16mm) | 116th Driest | Driest since: 1997 | 1977 |
| 9th Wettest | Wettest since: 1998 | 1983 | ||||
|
Jun 1997–May 1999 24-Month |
46.48" (1,180.59mm) | 34.89" (886.21mm) |
11.59" (294.38mm) | 120th Driest | Driest since: 1997 | 1977 |
| 5th Wettest | Wettest since: 1998 | 1983 | ||||
|
Jun 1996–May 1999 36-Month |
65.36" (1,660.14mm) | 52.30" (1,328.42mm) |
13.06" (331.72mm) | 117th Driest | Driest since: 1997 | 2014 |
| 7th Wettest | Wettest since: 1998 | 1984 | ||||
|
Jun 1995–May 1999 48-Month |
84.59" (2,148.59mm) | 69.56" (1,766.82mm) |
15.03" (381.77mm) | 116th Driest | Driest since: 1997 | 2015 |
| 7th Wettest | Wettest since: 1998 | 1998 | ||||
|
Jun 1994–May 1999 60-Month |
111.23" (2,825.24mm) | 86.83" (2,205.48mm) |
24.40" (619.76mm) | 121st Driest | Driest since: 1998 | 1933 |
| 1st Wettest | Wettest to Date | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published April 2021, retrieved on April 10, 2021 from https://www.ncdc.noaa.gov/cag/