Surface Air Temperature Fluctuations and Lapse Rates on Olivares Gamma Glacier, Rio Olivares Basin, Central Chile, from a Novel Meteorological Sensor Network

Table 5

Comparison of mean hourly 2-m minus 1-m temperature differences (°C) for 22–26 March 2015 at the five Tinytag sites. Differences ≥0.5°C are highlighted in bold. See Figure 1 and Table 1 for site details. Hours with nocturnal observations are highlighted in italic (https://www.timeanddate.com/sun/chile/santiago), here illustrated in UTC.

Hour (UTC)	S2-S1	S6-S7	S5-S10	S3-S8	S4-S9
0	0.3	0.2	0.2	0.2	0.2
1	0.3	0.3	0.2	0.2	0.2
2	0.3	0.3	0.2	0.2	0.1
3	0.4	0.3	0.1	0.2	0.2
4	0.4	0.2	0.2	0.1	0.2
5	0.4	0.3	0.2	0.3	0.2
6	0.4	0.4	0.2	0.2	0.3
7	0.3	0.2	0.2	0.2	0.3
8	0.2	0.2	0.2	0.3	0.2
9	0.3	0.2	0.2	0.1	0.2
10	0.3	0.3	0.3	0.2	0.2
11	0.3	0.2	0.3	0.2	0.2
12	0.3	0.3	0.2	0.1	0.3
13	0.3	0.7	0.3	−0.1	0.1
14	0.4	0.6	0.1	−0.5	0.3
15	0.4	0.3	−0.4	−0.4	0.4
16	0.1	−0.1	−0.7	0.3	0.7
17	0.1	0.6	−0.7	0.1	0.9
18	0.5	1.3	−0.7	1.1	1.1
19	0.5	0.3	−0.1	1.0	0.7
20	0.4	0.6	0.1	−0.2	0.5
21	0.4	0.4	0.1	0.1	0.1
22	0.2	0.5	0.1	0.0	0.1
23	0.2	0.2	0.2	0.1	0.3
Mean	0.3	0.4	0.0	0.2	0.3
ST DEV	0.1	0.3	0.3	0.3	0.3