Short-Term Relationship between Hip Fracture and Weather Conditions in Two Spanish Health Areas with Different Climates

Table 3

Meteorological descriptions of two Spanish areas (2000–2008).

Meteorological variables	Mediterranean area		Inland area
	Annual values	Seasonal variations; Spring/summer/fall/winter	Annual values	Seasonal variations; Spring/summer/fall/winter
Mean temperature (°C)	17.9 (0.8 to 33.0)	18.7/26.4/15.7/11.0	14.4 (−4.5 to 31.7)	15.9/25.7/11.4/07.2
Mean relative humidity (%)	65.0 (32.5 to 98.4)	63.5/64.5/67.9/66.2	61.5 (9.1 to 99.0)	62.3/43.5/69.0/74.3
Precipitation (mL)	17.9 (0 to 3050)^*	23.4/4.9/29.5/14.9	10.1 (0 to 507)^*	15.6/2.5/13.4/8.7
Wind
Periods of calm (tenths of an hour)	50 (1 to 239)	43/53/57/52	nd	nd
Maximum speed (km/h)	24 (7 to 86)	26/25/21/23	27 (3 to 70)	31/29/22/29
Other weather phenomena, (%)
Days with snow	3 (0.1%)	0/0/0.2%/0.4%	41 (1.2%)	0.2%/0/1.1%/3.7%
Days with hail	2 (0.1%)	0.4%/0/0/0	57 (1.7%)	3.6%/1.1%/0.9%/1.4%
Days with storms	59 (2.7%)	2.2%/6.2%/2.2%/0.2%	179 (5.4%)	11.2%/6.9%/2.7%/0.9%
Days with fog	29 (0.9%)	0/0.7%/1.5%/3.1%	335 (10.2%)	1.4%/0.4%/17.0%/22.3%
Days with dew	979 (44.7%)	28.4%/48.6%/55.3%/46.5%	430 (13.1%)	2.2%/7.0%/22.8%/10.3%
Days with frost	49 (2.2%)	0/0/2.6%/6.5%	378 (11.5%)	1.0%/0/14.7%/30.8%

Results expressed as median (minimum–maximum of daily values); ^*mean (minimum–maximum); nd: not determined.