573
CDUS43 KLOT 180655
CLIRFD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
155 AM CDT MON MAY 18 2026
...............................
..THE ROCKFORD IL CLIMATE SUMMARY FOR MAY 17 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1905 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 4:49 PM 91 1934 72 12 70
MINIMUM 64 3:41 AM 32 1930 50 14 51
AVERAGE 74 61 13 61
PRECIPITATION (IN)
YESTERDAY 0.00 2.25 1969 0.14 -0.14 0.00
MONTH TO DATE 0.16 2.13 -1.97 0.94
SINCE MAR 1 9.68 8.28 1.40 5.92
SINCE JAN 1 10.62 11.51 -0.89 7.17
SNOWFALL (IN)
YESTERDAY 0.0 T 2017 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE MAR 1 6.8 5.8 1.0 4.2
SINCE JUL 1 30.8 37.1 -6.3 17.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 4
MONTH TO DATE 193 138 55 95
SINCE MAR 1 1237 1480 -243 1219
SINCE JUL 1 6061 6408 -347 5814
COOLING
YESTERDAY 9 2 7 0
MONTH TO DATE 18 17 1 34
SINCE MAR 1 33 24 9 38
SINCE JAN 1 33 24 9 38
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WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 11.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 49 5:00 PM
AVERAGE 68
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THE ROCKFORD IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 94 1934
MINIMUM TEMPERATURE (F) 50 31 2002
SUNRISE AND SUNSET
MAY 18 2026...........SUNRISE 5:32 AM CDT SUNSET 8:14 PM CDT
MAY 19 2026...........SUNRISE 5:32 AM CDT SUNSET 8:15 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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