WEBVTT 1 00:00:00.200 --> 00:00:02.690 - Why are caves different temperatures? 2 00:00:02.690 --> 00:00:03.523 And then the second part of that 3 00:00:03.523 --> 00:00:05.363 is what is average and what cave 4 00:00:05.363 --> 00:00:06.590 is the coldest 5 00:00:06.590 --> 00:00:08.100 and what cave is the hottest? 6 00:00:08.100 --> 00:00:09.867 That's a lot of questions by the way. 7 00:00:09.867 --> 00:00:11.540 (rangers laughing) 8 00:00:11.540 --> 00:00:13.590 - It depends where the cave is located. 9 00:00:13.590 --> 00:00:14.620 So it's going to be 10 00:00:14.620 --> 00:00:16.190 the mean annual temperature 11 00:00:16.190 --> 00:00:17.840 of the location of the cave. 12 00:00:17.840 --> 00:00:20.627 So around here it's 54, 55 degrees. 13 00:00:20.627 --> 00:00:23.724 And if we go to the tropics, 14 00:00:23.724 --> 00:00:26.660 I'm from Puerto Rico so if we go down there 15 00:00:26.660 --> 00:00:28.280 the caves are going to be warmer 16 00:00:28.280 --> 00:00:30.880 because the mean annual temperature can be, 17 00:00:30.880 --> 00:00:32.332 for the cave, in the 70s. 18 00:00:32.332 --> 00:00:34.360 So it's gonna be hotter and you don't need 19 00:00:34.360 --> 00:00:36.230 as many clothes, so it depends. 20 00:00:36.230 --> 00:00:37.811 If you're in the desert, 21 00:00:37.811 --> 00:00:40.190 the cave is gonna be warmer so. 22 00:00:40.190 --> 00:00:42.360 - Yeah and caves up high in the alpine 23 00:00:42.360 --> 00:00:43.820 can have ice in them and you have to have 24 00:00:43.820 --> 00:00:45.740 even more layers and clothes and hats 25 00:00:45.740 --> 00:00:47.563 to wear when you're mapping those caves so. 26 00:00:47.563 --> 00:00:49.405 - Yeah and Johanna used to work in Alaska, 27 00:00:49.405 --> 00:00:50.413 I'm sure those caves were cold. 28 00:00:50.413 --> 00:00:51.545 - [Johanna] They were cold! 29 00:00:51.545 --> 00:00:53.650 (rangers laughing) 30 00:00:53.650 --> 00:00:54.520 - Alright, this one isn't coming 31 00:00:54.520 --> 00:00:56.054 from online but up here. 32 00:00:56.054 --> 00:00:58.060 So you're in a cave in the desert. 33 00:00:58.060 --> 00:01:00.272 Is it moist and damp like this one? 34 00:01:00.272 --> 00:01:04.233 - It depends of the mean 35 00:01:04.233 --> 00:01:06.780 rainfall for that area. 36 00:01:06.780 --> 00:01:08.294 But for the cave to be formed 37 00:01:08.294 --> 00:01:10.067 they had to have enough rain 38 00:01:10.067 --> 00:01:11.767 to be formed throughout the years.