Regional Rankings
West Climate Region
Precipitation Rankings, May 1999
Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
---|---|---|---|---|---|---|
May 1999 1-Month |
0.50" (12.70mm) | 0.92" (23.37mm) |
-0.42" (-10.67mm) | 30th Driest | Driest since: |
1924 |
99th Wettest | Wettest since: |
1998 | ||||
Ties: 1903, 1919, 1928, 1940 | ||||||
Apr– 2-Month |
2.27" (57.66mm) | 2.26" (57.40mm) |
0.01" (0.26mm) | 72nd Driest | Driest since: |
1909 |
57th Wettest | Wettest since: |
1896 | ||||
Ties: 1977 | ||||||
Mar– 3-Month |
3.84" (97.54mm) | 4.59" (116.59mm) |
-0.75" (-19.05mm) | 54th Driest | Driest since: |
2008 |
75th Wettest | Wettest since: |
1995 | ||||
Feb– 4-Month |
7.08" (179.83mm) | 7.31" (185.67mm) |
-0.23" (-5.84mm) | 69th Driest | Driest since: |
1997 |
60th Wettest | Wettest since: |
1998 | ||||
Jan– 5-Month |
9.69" (246.13mm) | 10.29" (261.37mm) |
-0.60" (-15.24mm) | 67th Driest | Driest since: |
2022 |
62nd Wettest | Wettest since: |
1998 | ||||
Dec 1998– 6-Month |
10.83" (275.08mm) | 12.84" (326.14mm) |
-2.01" (-51.06mm) | 49th Driest | Driest since: |
1924 |
79th Wettest | Wettest since: |
1995 | ||||
Nov 1998– 7-Month |
13.74" (349.00mm) | 14.71" (373.63mm) |
-0.97" (-24.63mm) | 62nd Driest | Driest since: |
1977 |
66th Wettest | Wettest since: |
1995 | ||||
Oct 1998– 8-Month |
14.65" (372.11mm) | 15.74" (399.80mm) |
-1.09" (-27.69mm) | 62nd Driest | Driest since: |
1977 |
66th Wettest | Wettest since: |
1983 | ||||
Sep 1998– 9-Month |
15.86" (402.84mm) | 16.23" (412.24mm) |
-0.37" (-9.40mm) | 67th Driest | Driest since: |
2021 |
61st Wettest | Wettest since: |
1983 | ||||
Aug 1998– 10-Month |
16.05" (407.67mm) | 16.62" (422.15mm) |
-0.57" (-14.48mm) | 63rd Driest | Driest since: |
2021 |
65th Wettest | Wettest since: |
1983 | ||||
Jul 1998– 11-Month |
16.53" (419.86mm) | 16.95" (430.53mm) |
-0.42" (-10.67mm) | 67th Driest | Driest since: |
2021 |
61st Wettest | Wettest since: |
1983 | ||||
Jun 1998– 12-Month |
17.71" (449.83mm) | 17.44" (442.98mm) |
0.27" (6.85mm) | 76th Driest | Driest since: |
2021 |
52nd Wettest | Wettest since: |
1983 | ||||
Dec 1997– 18-Month |
40.02" (1,016.51mm) | 30.25" (768.35mm) |
9.77" (248.16mm) | 118th Driest | Driest since: |
1977 |
9th Wettest | Wettest since: |
1983 | ||||
Jun 1997– 24-Month |
46.48" (1,180.59mm) | 34.89" (886.21mm) |
11.59" (294.38mm) | 122nd Driest | Driest since: |
2022 |
5th Wettest | Wettest since: |
1983 | ||||
Jun 1996– 36-Month |
65.36" (1,660.14mm) | 52.30" (1,328.42mm) |
13.06" (331.72mm) | 119th Driest | Driest since: |
2022 |
7th Wettest | Wettest since: |
1984 | ||||
Jun 1995– 48-Month |
84.59" (2,148.59mm) | 69.56" (1,766.82mm) |
15.03" (381.77mm) | 118th Driest | Driest since: |
2015 |
7th Wettest | Wettest since: |
1998 | ||||
Jun 1994– 60-Month |
111.23" (2,825.24mm) | 86.83" (2,205.48mm) |
24.40" (619.76mm) | 123rd Driest | Driest since: |
1933 |
1st Wettest | Wettest to Date |
1999 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings