[AZ-Observing] May-June clear run

     The May-June clear run may have come to an end, though the real monsoon
isn't in sight yet.  Today's 14-day forecast has us dry through the first
week of July.  The clear stretch ran just about exactly between the last two
Full Moons by my reckoning:  20 of the 29 nights in the interval May 21
through June 18 were cloudfree.

\Brian



Flagstaff nighttime cloudiness

May
20   cloudy
21   photom (7,0)
22   photom (7,0)
23   photom (7,0)
24   photom (7,0)
25   photom (7,1)
26   cloudy  [early monsoon]
27   cloudy
28   cloudy
29   photom (7,4)
30   photom (7,5)
31   photom (7,5)

Jun
 1   photom (7,5)
 2   photom (7,7)
 3   photom (7,7)
 4   partial (5,5)
 5   photom (7,7)
 6   photom (7,7)
 7   photom (7,7)
 8   partial (6,6)
 9   partial (3,3)  [Winterstorm 52]
10   cloudy
11   partial (4,4)  [Winterstorm 53]
12   photom (7,4)
13   photom (7,3)
14   photom (7,3)
15   photom (7,2)
16   partial (5,2)
17   photom (7,1)
18   photom (7,1)
19   spectro  [weak monsoon]
20   spectro
21   cloudy


The pairs of digits in parens are the number of clear nighttime hours and
the number of clear dark hours (without Moonlight).
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