National Weather Service Weather Forecast Office

July 2010 continued the wet weather pattern across Upper Michigan that started in June. This past July will go down as one of the warmest and wettest July's on record.  At the National Weather Service (NWS) office in Negaunee Township, July 2010 was the 6th warmest July on record (average temperature of 68.0). While the high temperatures were above normal, it was that low temperatures that really kept the temperatures warm.  The NWS Marquette had the second warmest average low temperature in July at 58.0 degrees (average low is 53.7).  

With 5.15" of precipitation, July 2010 will go down as the 4th wettest July on record.  July was the second month in a row that the NWS office has received more than 5 inches of rain.  In addition, the June 1st through July 31st period was the second wettest on record, with 11.40" of rain.  That exceeds the normal rainfall of 9.79" that we receive during the meteorological summer (June through August).  We already have the 7th wettest summer on record (record of 17.89" in 1968), with one month left to add to the total.  The chart below displays the highs, lows, and precipitation for every day in July.

Additional Monthly Climate Graphs can be found here.

Preliminary July 2010 Climate Values and Records

Overall, July 2010 ended up with above normal temperatures and precipitation. 

                                             Value             Departure from Normal
Average Temperature       68.0                           +3.0
Precipitation  (liquid)         5.15                           +2.14
Snowfall                               0.0                               0.0

Here are the preliminary records that occurred in July 2010:

• On July 3rd, the record high temperature of 89 degrees was tied.
• A record high minimum was set on July 4th, when the low only reached 68 degrees. This broke the previous record of 64 degrees, which was set in 1999.
• Record rainfall occurred on July 5th, when 1.59 inches of rain fell.  This broke the previous record of 0.74 inches from 1999.

Note: the statistics and records for the National Weather Service office in Negaunee Township are based on records which began in October 1961. All climate data listed here are preliminary and unofficial.