Our May weather is relatively predictable as we are in the middle of our dry
season at that time.  The region becomes much less predictable after July
1st.  For May, we expect total monthly precipitation of about 10mm, an
average daily temperature of about 17 C (62.6), and, probably most 
importantly, a total monthly wind flow of about 3000 km.  Thus, expect warm, 
dry, windy conditions, especially in the afternoons.  

In F units, the long term May daily max is about 90, and the min is 
about 50, with a daily mean of about 65.  For the last two weeks of May,
expect daily temps to get up into the mid 90's, but night time (and early
morning) temps can drop into the 40's.  In other words, pack teeshirts, sun
screen, and a light jacket...

As for other environmental hazards, our prairie rattlers will be active in
May, but they are seldom a noticeable element.  We will not have any
livestock in the vicinity of the experiment, but the african antelope will
be in the area.  The occassional tall tale from some of our staff can be
hazardous, if you are susceptible to having your leg pulled.  Otherwise, it
is a pretty safe environment, and we are a long way from local saloons...

*********************************************
Kris Havstad
USDA/ARS, Jornada Experimental Range
Dept. 3JER, NMSU, Las Cruces, NM,  88003-0003
email: khavstad@nmsu.edu
voice:505-646-4842
fax:505-646-5889
web site: http://www.nmsu.edu/~jornada/