DAVIS Weather Envoy (6314, 6314C) - Manual (Page 33)

W E A T H E R D A T A M E A S U R E D & C A L C U L A T E D
UV (Ultra Violet) Radiation
29
T. B. Fitpatrick of the Harvard Medical School developed a categorization of skin
types 1 through 6 which were adopted by Environment Canada. These skin types
are detailed in Table 3b below.
Note: More about the Fitzpatrick Skin Types is available in: Fitzpatrick TB. Editorial: the validity
and practicality of sun-reactive skin types I through VI. Arch Dermatol 1988; 124:869-871
T ABLE A1: EPA S KIN P HOTOTYPES
S KIN P HOTO -
TYPE
S KIN COLOR T ANNING & S UNBURN HISTORY
1 - Never tans,
always burns Pale or milky white;
alabaster Develops red sunburn; painful
swelling, skin peels
2 - Sometimes
tans, usually
burns Very light brown;
sometimes freckles Usually burns, pinkish or red color-
ing appears;
can gradually develop light brown
tan
3 - Usually tans,
sometimes
burns Light tan; brown, or
olive;
distinctly pigmented Rarely burns; shows moderately
rapid tanning response
4 - Always tans;
rarely burns Brown, dark brown,
or black Rarely burns; shows very rapid tan-
ning response
T ABLE A2: E NVIRONMENT C ANADA S KIN T YPES AND R EACTION TO THE S UN
S KIN
T YPE
S KIN C OL -
OR
H ISTORY OF T ANNING & S UN -
BURNING
I White Always burns easily, never tans
II White Always burns easily, tans mini-
mally
III Light
Brown Burns moderately, tans gradu-
ally
IV Moderate
Brown Burns minimally, tans well
V Dark
Brown Burns rarely, tans profusely
VI Black Never burns, deep pigmenta-
tion