Happy Valley, Oregon, Weather: March 2018

Happy Valley, Oregon, Weather: March 2018

TEMPERATURES

For the second consecutive late-winter month, the second half was cooler than the first half, the opposite of what is Normal. Only 2 days this month managed to reach ≥65°, with 65.0° on the 11th and a monthly Maximum of 70.3° on the 12th, the latter being the warmest temperature since 83.9° on Sept. 28, 2017, nearly 6 months ago, hinting at Spring finally kicking into gear. However, the coolest Maximum Temperatures didn’t occur until the 22nd-24th with readings of 47.9°, 44.2°, and 42.8°, making it feel more like mid-winter than late March. Splitting the month in half, the following Max/Min/Mean Temperatures were observed: 1st-16th 55.6°/39.3°/47.5°; 17th-31st 54.1°/39.3°/46.7°. There were 19 days with Minimum Temperatures ≤40°, with the month’s coolest reading being just above freezing at 32.6° on the 6th.

Average Monthly Maximum: 54.9°
Average Monthly Minimum:  39.3°
Monthly Mean: 47.1°

 

Monthly High Maximum: 70.3° (12th)
Monthly Low Maximum:  42.8° (24th)
Monthly Low Minimum:   32.6° (6th)
Monthly High Minimum:  50.7° (12th)

 

NUMBER OF DAYS:
Maximums ≥70°:  1
Maximums ≥65°:  2
Maximums ≥60°:  7
Maximums ≥55°: 16
Maximums ≥50°: 27
Maximums ≤32°:  0
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Minimums ≤50°: 30
Minimums ≤45°: 30
Minimums ≤40°: 19
Minimums ≤35°:  6
Minimums ≤32°:  0

 

PRECIPITATION

It was a rather dry beginning to the month as only 0.47″ was recorded through the first 12 days and 1.51″ through the first 20 days. More typical precipitation began on the 21st and coincided with colder temperatures filtering into the area. Snowflakes were reported from the 22nd-24th, with small hail falling for several minutes during the evening of the 22nd, immediately followed by wet snowflakes. An accumulation of 0.1″ occurred in the early-morning hours of the 24th (the total may have been higher but that was what was measured by later morning). A total of 1.97″ of liquid precipitation fell 21st-27th, with the final 4 days of the month remaining dry.

Total Precipitation: 3.48″
Maximum Calendar Day: 0.73″ (23rd)

 

PRECIPITATION NUMBER OF DAYS (including Snow Water Equivalent):
≥0.01″: 16
≥0.25″:  5
≥0.50″:  2
≥1.00″:  0
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Hail: 3
Snowfall ≥Trace: 4
Snowfall ≥0.1″: 1
Snowfall ≥1.0″: 0
Snow Depth ≥Trace: 0
Snow Depth ≥1.0″: 0

 

MISCELLANEOUS

The month saw 6 Clear, 13 Partly Cloudy, and 12 Cloudy days; Fog was seen on 16 days (2 of these being Heavy , ≤¼ mile visibility). The Maximum Gust reached 28 MPH (8th). Hail was seen on 3 separate days.

 

LINK TO MY HAPPY VALLEY STATION’S MONTHLY WEATHER FORM FOR MARCH 2018:

HAPPY VALLEY – BELLA CASA WEATHER 2018-03

 

COVER PHOTO: Fog on the Clackamas River, 3/6/2018

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