Climate at a Glance
Divisional 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.
Illinois, Climate Division 2. Northeast
Average Temperature Rankings, August 1999
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
August 1999 1-Month |
69.5°F (20.8°C) | 71.1°F (21.7°C) |
-1.6°F (-0.9°C) | 30th Coolest | Coolest since: 1997 | 1915 |
| 97th Warmest | Warmest since: 1998 | 1947 | ||||
| Ties: 1974 | ||||||
|
Jul–Aug 1999 2-Month |
73.5°F (23.1°C) | 72.1°F (22.3°C) |
1.4°F (0.8°C) | 96th Coolest | Coolest since: 1998 | 1915 |
| 31st Warmest | Warmest since: 1995 | 1936 | ||||
| Ties: 1913 | ||||||
|
Jun–Aug 1999 3-Month |
72.5°F (22.5°C) | 71.0°F (21.7°C) |
1.5°F (0.8°C) | 100th Coolest | Coolest since: 1998 | 1915 |
| 27th Warmest | Warmest since: 1995 | 1988 | ||||
| Ties: 1899, 2018 | ||||||
|
May–Aug 1999 4-Month |
69.9°F (21.1°C) | 67.9°F (19.9°C) |
2.0°F (1.2°C) | 106th Coolest | Coolest since: 1997 | 1915 |
| 21st Warmest | Warmest since: 1998 | 1934 | ||||
|
Apr–Aug 1999 5-Month |
66.1°F (18.9°C) | 63.9°F (17.7°C) |
2.2°F (1.2°C) | 115th Coolest | Coolest since: 1998 | 1907 |
| 12th Warmest | Warmest since: 1998 | 1991 | ||||
| Ties: 1941, 1998, 2001 | ||||||
|
Mar–Aug 1999 6-Month |
60.9°F (16.1°C) | 59.2°F (15.1°C) |
1.7°F (1.0°C) | 108th Coolest | Coolest since: 1997 | 1926, 1950 |
| 19th Warmest | Warmest since: 1998 | 2012 | ||||
| Ties: 1959, 2000 | ||||||
|
Feb–Aug 1999 7-Month |
57.1°F (13.9°C) | 54.4°F (12.4°C) |
2.7°F (1.5°C) | 118th Coolest | Coolest since: 1997 | 1904 |
| 9th Warmest | Warmest since: 1998 | 2012 | ||||
|
Jan–Aug 1999 8-Month |
52.4°F (11.3°C) | 50.2°F (10.1°C) |
2.2°F (1.2°C) | 112th Coolest | Coolest since: 1997 | 1912 |
| 15th Warmest | Warmest since: 1998 | 2012 | ||||
| Ties: 1983 | ||||||
|
Dec 1998–Aug 1999 9-Month |
50.3°F (10.2°C) | 47.5°F (8.6°C) |
2.8°F (1.6°C) | 116th Coolest | Coolest since: 1997 | 1904 |
| 10th Warmest | Warmest since: 1998 | 2012 | ||||
|
Nov 1998–Aug 1999 10-Month |
49.6°F (9.8°C) | 46.5°F (8.1°C) |
3.1°F (1.7°C) | 118th Coolest | Coolest since: 1997 | 1904 |
| 8th Warmest | Warmest since: 1998 | 2012 | ||||
| Ties: 2017 | ||||||
|
Oct 1998–Aug 1999 11-Month |
50.1°F (10.1°C) | 47.1°F (8.4°C) |
3.0°F (1.7°C) | 119th Coolest | Coolest since: 1997 | 1904 |
| 7th Warmest | Warmest since: 1998 | 2012 | ||||
| Ties: 1987, 1991 | ||||||
|
Sep 1998–Aug 1999 12-Month |
51.6°F (10.9°C) | 48.5°F (9.2°C) |
3.1°F (1.7°C) | 121st Coolest | Coolest since: 1998 | 1904 |
| 5th Warmest | Warmest since: 1932 | 2012 | ||||
| Ties: 1932 | ||||||
|
Mar 1998–Aug 1999 18-Month |
54.9°F (12.7°C) | 52.1°F (11.2°C) |
2.8°F (1.5°C) | 123rd Coolest | Coolest since: 1998 | 1904 |
| 3rd Warmest | Warmest to Date | 2012 | ||||
|
Sep 1997–Aug 1999 24-Month |
51.5°F (10.8°C) | 48.4°F (9.1°C) |
3.1°F (1.7°C) | 123rd Coolest | Coolest since: 1998 | 1905 |
| 2nd Warmest | Warmest to Date | 2017 | ||||
|
Sep 1996–Aug 1999 36-Month |
50.1°F (10.1°C) | 48.5°F (9.2°C) |
1.6°F (0.9°C) | 112th Coolest | Coolest since: 1998 | 1905, 1979 |
| 12th Warmest | Warmest since: 1955 | 2000 | ||||
| Ties: 1933, 1955, 2008 | ||||||
|
Sep 1995–Aug 1999 48-Month |
49.2°F (9.6°C) | 48.4°F (9.1°C) |
0.8°F (0.5°C) | 89th Coolest | Coolest since: 1998 | 1905 |
| 34th Warmest | Warmest since: 1993 | 2001 | ||||
| Ties: 1923, 1932, 1987 | ||||||
|
Sep 1994–Aug 1999 60-Month |
49.5°F (9.7°C) | 48.4°F (9.1°C) |
1.1°F (0.6°C) | 102nd Coolest | Coolest since: 1998 | 1906 |
| 20th Warmest | Warmest since: 1992 | 2002 | ||||
| Ties: 1957, 1987, 1989, 1990, 1992, 2000 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published April 2021, retrieved on April 17, 2021 from https://www.ncdc.noaa.gov/cag/