Temperature Control Measures and Temperature Stress of Mass Concrete during Construction Period in High-Altitude Regions

Table 1

Meteorological information on the gravity dam.

Item (°C)	January	February	March	April	May	June	July	August	September	October	November	December	Year
Mean annual temperature	0.3	2.9	6.5	9.7	13.3	16.4	16.6	16.1	14.4	10.4	4.7	0.7	9.3
Mean annual maximum temperature	10.6	12.4	15.7	18.5	21.9	24.7	24.4	23.6	22.3	19.9	15.2	11.5	18.4
Mean annual minimum temperature	−8.2	−5.6	−1.4	2.4	6.4	10.7	11.8	11.5	9.6	3.3	−3.1	−7.4	2.5
Extreme maximum temperature	23.4	24.0	32.0	28.8	30.8	31.8	32.5	30.3	29.2	27.1	24.8	21.0	32.5
Extreme minimum temperature	−16.6	−14.0	−10.0	−5.4	−3.3	2.0	4.4	4.9	0.7	−5.4	−10.5	−14.7	−16.6