Thursday, June 19, 2008

ORD Temperature Updates 2008 (Mar.+Apr.)

In this blog, I'll recount the records, near records and significantly abnormal temperatures of 2008, starting with the current and looking back to January 1st.
This post covers March and April 2008.

April 30: low of 31 was just a single degree above the record low (set in 1873)

April 29: the coolest high (44 degrees) and coolest low (31 degrees) of the last 30 years...previous coolest high was 45 in 1996...it was the coolest April 29th (15 degrees below normal)...the low of 31 tied the record set in 1958

April 28: the high of 46 tied 1980 as the coolest high of the last 30 years

April 25: just the third 80s high (82 degrees) of the last 30 years

April 24: the first day since 1994 that the daily mean was at least 12 degrees above normal...only the fourth 50s low in the last 30 years

April 23:
the first day since 1990 that the daily mean was at least 12 degrees
above normal...the high of 74 was the warmest high since 80 in 1990...only the third 50s low in the last 30 years

April 22: just the third 70s high in the last 30s years

April 21: the high of 75 follows 77 in 2007 and 71 in 2006

April 20: the high of 72 makes it three out of four years of highs in the 70s:
75 in 2006 and 70 in
2005

April 16: the high of 73 was only the third high in the last 30 years to be in the 70s but the last occurrence was only three years ago in 2005 at 74 degrees

April 13: the coolest high of the last 30 years at 42 degrees and the second coolest April 13th of the last 30 years

April 12: back-to-back cold April 12ths...highs of 42 this year and 38 last year

March 21: of the 12 highs in the 30s, 8 of these have been twelve degrees or more below the normal high of 48...this year was no exception as it was 34...3 of the 5 most recent years (2004-2008) have been this way...in 2004 and 2006, the high was 33...in 2005 the high was 38 (10 degrees below normal) and in 2007 the high was 67 (19 above normal)

March 14: second straight year that the high has managed to climb way above the ordinary high of 45...this year it was 57 and last year it was 61

March 13: third straight year that the high has been way above the normal high of 44...57 this year, 73 last year and 63 in 2006

March 8: 14.5 degrees below normal mean for the day...high of 25, low of 14

March 7: 14 degrees below normal mean for the day...high of 26, low of 14

March 3: the first 50s high for the date at 56 degrees (15 above the normal high)

March 2: the fourth 50s high for the date at 57 degrees (16 above normal high)

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