Human-Biometeorological Assessment of Urban Structures in Extreme Climate Conditions: The Example of Birobidzhan, Russian Far East

Table 2

Mean number of days per year with PET values within a specific class for the 3 zones as well as the climate station in Birobidzhan (2000–2010).

PET (°C)	WMO station	Zone 1	Zone 2	Zone 3
<−30	21.0	12.1	14.9	12.9
<−20	68.3	59.4	63.0	60.5
<−10	117.2	113.0	114.6	113.5
<0	170.1	167.6	168.4	167.7
(15≤𝑋≤30)	65.4	72.3	70.1	72.2
(18≤𝑋≤27)	37.0	42.6	40.5	42.6
>29	19.5	9.9	13.9	10.7
>35	6.0	2.2	3.4	2.4
>41	1.0	0.3	0.6	0.4