Number Site Lowest temperature Duration time(sec)
1 LSPV -36℃ 93s
2 LSPV -41℃ 170s
3 LIPV -36℃ 140s
4 LIPV -51℃ 180s
5 RSPV -32℃ 120s
6 RSPV -41℃ 180s
7 RIPV -29℃ 90s
8 RIPV -35℃ 150s
9 RIPV -45℃ 120s