D a t e | Time (cst) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in.) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
Max. |
17 | 23:51 | W 6 | 10.00 | Fair | CLR | 37 | 28 | 70% | 32 | NA | 30.40 | 1029.9 | |||||
17 | 22:51 | W 3 | 10.00 | Fair | CLR | 39 | 27 | 62% | NA | NA | 30.40 | 1029.9 | |||||
17 | 21:51 | NW 3 | 10.00 | A Few Clouds | FEW250 | 40 | 27 | 60% | NA | NA | 30.39 | 1029.7 | |||||
17 | 20:51 | W 6 | 10.00 | A Few Clouds | FEW250 | 41 | 27 | 57% | 37 | NA | 30.39 | 1029.6 | |||||
17 | 19:51 | W 5 | 10.00 | Fair | CLR | 43 | 26 | 51% | 40 | NA | 30.38 | 1029.4 | |||||
17 | 18:51 | NW 6 | 10.00 | A Few Clouds | FEW060 FEW250 | 46 | 24 | 53 | 46 | 42% | 43 | NA | 30.37 | 1029.1 | |||
17 | 17:51 | NW 13 | 10.00 | A Few Clouds | FEW060 FEW250 | 50 | 23 | 35% | 45 | NA | 30.37 | 1028.7 | |||||
17 | 16:51 | NW 12 G 21 | 10.00 | A Few Clouds | FEW065 | 52 | 22 | 31% | NA | NA | 30.37 | 1028.8 | |||||
17 | 15:51 | NW 15 | 10.00 | A Few Clouds | FEW065 | 53 | 22 | 30% | NA | NA | 30.38 | 1029.0 | |||||
17 | 14:51 | NW 13 | 10.00 | A Few Clouds | FEW060 | 51 | 23 | 33% | NA | NA | 30.40 | 1029.7 | |||||
17 | 13:51 | NW 14 | 10.00 | Partly Cloudy | SCT060 | 50 | 22 | 33% | 45 | NA | 30.42 | 1030.5 | |||||
17 | 12:51 | NW 9 | 10.00 | Partly Cloudy | SCT060 | 48 | 21 | 48 | 33 | 34% | 44 | NA | 30.44 | 1031.2 | |||
17 | 11:51 | NW 7 | 10.00 | Mostly Cloudy | FEW035 BKN065 | 45 | 19 | 35% | 41 | NA | 30.47 | 1032.1 | |||||
17 | 10:51 | NW 12 | 10.00 | Mostly Cloudy | FEW035 BKN065 | 44 | 17 | 34% | 38 | NA | 30.47 | 1032.3 | |||||
17 | 09:51 | N 9 | 10.00 | Partly Cloudy | FEW035 SCT050 | 42 | 21 | 43% | 37 | NA | 30.47 | 1032.2 | |||||
17 | 08:51 | NW 10 | 10.00 | A Few Clouds | FEW035 | 39 | 21 | 48% | 32 | NA | 30.46 | 1031.8 | |||||
17 | 07:51 | NW 12 | 10.00 | A Few Clouds | FEW035 | 34 | 22 | 61% | 25 | NA | 30.43 | 1031.0 | |||||
17 | 06:51 | NW 12 | 10.00 | A Few Clouds | FEW035 | 34 | 22 | 38 | 34 | 61% | 25 | NA | 30.41 | 1030.3 | |||
17 | 05:51 | NW 12 | 10.00 | Fair | CLR | 35 | 22 | 59% | 27 | NA | 30.38 | 1029.4 | |||||
17 | 04:51 | NW 12 | 10.00 | Fair | CLR | 35 | 23 | 61% | 27 | NA | 30.37 | 1028.7 | |||||
17 | 03:51 | NW 13 | 10.00 | Fair | CLR | 35 | 23 | 61% | 26 | NA | 30.35 | 1028.2 | |||||
17 | 02:51 | NW 12 | 10.00 | Fair | CLR | 36 | 23 | 59% | 28 | NA | 30.34 | 1027.9 | |||||
17 | 01:51 | NW 8 | 10.00 | Fair | CLR | 36 | 25 | 64% | 30 | NA | 30.33 | 1027.6 | |||||
17 | 00:51 | NW 7 | 10.00 | Fair | CLR | 37 | 26 | 48 | 37 | 65% | 32 | NA | 30.33 | 1027.3 |
CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS
SUMMARY: Developing
Weather Underground Historical 24-Hour Weather Radar for Saturday, October 17, 2015 …
Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel. |
Another sub-freezing night/early AM outside #Chicago & IN shore. Slightly milder Sun., then warm, windy & dry Mon. pic.twitter.com/TxgSmJKCAo
— NWS Chicago (@NWSChicago) October 17, 2015
First freeze occurred across many locations apart from near Lake MI & Chicago's urban area. http://t.co/AWwq35JtXT pic.twitter.com/kTUSZus6Y0
— NWS Chicago (@NWSChicago) October 17, 2015
Chilly through Sunday with freezing temperatures tonight. Warm, dry, & windy conditions Monday. pic.twitter.com/CjLY7F3E8x
— NWS Chicago (@NWSChicago) October 17, 2015
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
000
CDUS43 KLOT 180632
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SUN OCT 18 2015
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 17 2015...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 53 254 PM 86 1950 62 -9 62
MINIMUM 33 633 AM 26 1948 42 -9 48
AVERAGE 43 52 -9 55
PRECIPITATION (IN)
YESTERDAY 0.00 3.61 1988 0.10 -0.10 T
MONTH TO DATE 0.06 1.69 -1.63 2.43
SINCE SEP 1 4.70 4.90 -0.20 5.14
SINCE JAN 1 28.32 30.03 -1.71 37.22
SNOWFALL (IN)
YESTERDAY 0.0 T 1976 0.0 0.0 0.0
1930
MONTH TO DATE 0.0 0.1 -0.1 T
SINCE SEP 1 0.0 0.1 -0.1 T
SINCE JUL 1 T 0.1 -0.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 13 9 10
MONTH TO DATE 146 180 -34 192
SINCE SEP 1 183 285 -102 298
SINCE JUL 1 201 298 -97 303
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 10 -10 3
SINCE SEP 1 164 102 62 84
SINCE JAN 1 805 842 -37 799
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 1100 PM
LOWEST 28 300 PM
AVERAGE 49
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 87 1950
MINIMUM TEMPERATURE (F) 42 20 1948
SUNRISE AND SUNSET
OCTOBER 18 2015.......SUNRISE 707 AM CDT SUNSET 606 PM CDT
OCTOBER 19 2015.......SUNRISE 708 AM CDT SUNSET 604 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
+ + + +
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