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 May 2022. For more information, please see Climatological Rankings.
Pennsylvania
Precipitation Rankings, August 1999
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
August 1999 1-Month |
3.67" (93.22mm) | 3.87" (98.30mm) |
-0.20" (-5.08mm) | 59th Driest | Driest since: 1998 | 1930 |
| 69th Wettest | Wettest since: 1997 | 1955 | ||||
| Ties: 1973 | ||||||
|
Jul–Aug 1999 2-Month |
6.29" (159.77mm) | 8.05" (204.47mm) |
-1.76" (-44.70mm) | 23rd Driest | Driest since: 1998 | 1930 |
| 105th Wettest | Wettest since: 1997 | 2018 | ||||
|
Jun–Aug 1999 3-Month |
8.66" (219.96mm) | 12.22" (310.39mm) |
-3.56" (-90.43mm) | 6th Driest | Driest since: 1991 | 1966 |
| 122nd Wettest | Wettest since: 1998 | 2018 | ||||
|
May–Aug 1999 4-Month |
11.22" (284.99mm) | 16.15" (410.21mm) |
-4.93" (-125.22mm) | 7th Driest | Driest since: 1991 | 1966 |
| 121st Wettest | Wettest since: 1998 | 2018 | ||||
|
Apr–Aug 1999 5-Month |
15.18" (385.57mm) | 19.79" (502.67mm) |
-4.61" (-117.10mm) | 8th Driest | Driest since: 1991 | 1966 |
| 120th Wettest | Wettest since: 1998 | 2018 | ||||
|
Mar–Aug 1999 6-Month |
18.64" (473.46mm) | 23.29" (591.57mm) |
-4.65" (-118.11mm) | 10th Driest | Driest since: 1995 | 1966 |
| 118th Wettest | Wettest since: 1998 | 2011 | ||||
|
Feb–Aug 1999 7-Month |
20.54" (521.72mm) | 25.89" (657.61mm) |
-5.35" (-135.89mm) | 8th Driest | Driest since: 1995 | 1995 |
| 120th Wettest | Wettest since: 1998 | 2018 | ||||
|
Jan–Aug 1999 8-Month |
26.38" (670.05mm) | 28.94" (735.08mm) |
-2.56" (-65.03mm) | 23rd Driest | Driest since: 1997 | 1963 |
| 105th Wettest | Wettest since: 1998 | 2018 | ||||
|
Dec 1998–Aug 1999 9-Month |
27.84" (707.14mm) | 32.03" (813.56mm) |
-4.19" (-106.42mm) | 15th Driest | Driest since: 1995 | 1966 |
| 112th Wettest | Wettest since: 1998 | 2018 | ||||
| Ties: 1944 | ||||||
|
Nov 1998–Aug 1999 10-Month |
29.03" (737.36mm) | 35.24" (895.10mm) |
-6.21" (-157.74mm) | 7th Driest | Driest since: 1966 | 1966 |
| 120th Wettest | Wettest since: 1998 | 2019 | ||||
|
Oct 1998–Aug 1999 11-Month |
32.11" (815.59mm) | 38.42" (975.87mm) |
-6.31" (-160.28mm) | 9th Driest | Driest since: 1995 | 1925 |
| 118th Wettest | Wettest since: 1998 | 2019 | ||||
|
Sep 1998–Aug 1999 12-Month |
34.24" (869.70mm) | 41.98" (1,066.29mm) |
-7.74" (-196.59mm) | 6th Driest | Driest since: 1995 | 1965 |
| 121st Wettest | Wettest since: 1998 | 2019 | ||||
|
Mar 1998–Aug 1999 18-Month |
58.80" (1,493.52mm) | 65.21" (1,656.33mm) |
-6.41" (-162.81mm) | 14th Driest | Driest since: 1992 | 1966 |
| 113th Wettest | Wettest since: 1998 | 2019 | ||||
|
Sep 1997–Aug 1999 24-Month |
80.29" (2,039.37mm) | 83.89" (2,130.81mm) |
-3.60" (-91.44mm) | 29th Driest | Driest since: 1992 | 1966 |
| 97th Wettest | Wettest since: 1998 | 2019 | ||||
|
Sep 1996–Aug 1999 36-Month |
126.66" (3,217.16mm) | 125.89" (3,197.61mm) |
0.77" (19.55mm) | 63rd Driest | Driest since: 1993 | 1966 |
| 62nd Wettest | Wettest since: 1998 | 2019 | ||||
|
Sep 1995–Aug 1999 48-Month |
177.20" (4,500.88mm) | 167.87" (4,263.90mm) |
9.33" (236.98mm) | 94th Driest | Driest since: 1998 | 1966 |
| 30th Wettest | Wettest since: 1997 | 2020 | ||||
|
Sep 1994–Aug 1999 60-Month |
210.92" (5,357.37mm) | 209.80" (5,328.92mm) |
1.12" (28.45mm) | 56th Driest | Driest since: 1995 | 1966 |
| 67th Wettest | Wettest since: 1998 | 2021 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on June 27, 2022 from https://www.ncdc.noaa.gov/cag/