Public Information Statement
Issued by NWS Central Illinois

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NOUS43 KILX 302201
PNSILX
ILZ027>031-036>038-040>057-061>063-066>068-071>073-011015-

Public Information Statement
National Weather Service Lincoln IL
501 PM CDT Thu Apr 30 2026

...A LOOK AHEAD AT MAY CLIMATOLOGICAL DATA...

Normals are for the period 1991-2020.

...TEMPERATURES...        SPRINGFIELD           PEORIA
Normal high/low           76/54                 74/53
  May  1 normals          71/49                 69/48
  May 31 normals          80/59                 79/58

Month record high         101 on 5/31/1934      104 on 5/31/1934
Month record low          28  on 5/10/1966      25  on 5/10/1966

Normal occurrences of...
  Highs 90 or above       1                     1
  Highs 32 or below       0                     0
  Lows  32 or below       0                     0
  Lows   0 or below       0                     0

...PRECIPITATION...
Normal liquid equivalent  4.52                  4.69
  Greatest month total   11.81 in 1899         11.49 in 1915
  Least month total       0.32 in 1934          0.47 in 1934
  Greatest 24-hour        4.20 on 5/26/1893     5.52 on 5/18/1927

Normal snowfall           0.0                   0.0
  Greatest month total    0.6 in 1929           0.1 in 1966#
  Least month total       0.0                   0.0
  Greatest 24-hour        0.6 on 5/2/1929       0.1 on 5/8/1966#

...DEGREE DAYS (BASE 65)...
Normal heating            111                   135
Normal cooling            112                   88

...FREEZE DATES...
Average last freeze       April 14              April 16
Latest last freeze        5/10/1966             5/25/1925

CLIMATOLOGICAL OUTLOOK FOR THE NEW MONTH:

   Temperatures --- Below Normal favored
   Precipitation -- No favored trend -- Use Climatology

# - Last of several occurrences

$$

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