Firn temperature record at South Pole Station, 1958 (all temperatures are in negative degrees Celsius) Data source: Mario Giovineto USNC-IGY Antarctic Glaciological Data, Field Work 1958 and 1959 South Pole Station Report 825-2-Part IV, April 1960 Ohio State University Research Foundation Depth (cm.) 5 25 50 100 150 200 250 300 500 800 1200 M M M USWB G G G G G M G Date Time 1958 GMT 1/19 2130 33.8 35.75 42.625 45.1 47.425 50.95 50.725 1/31 0000 33.8 35.625 41.5 43.975 46.475 50.45 50.8 2/3 0200 34.0 35.0 41.475 43.625 46.175 50.275 50.825 2/3 1900 28.4 30.6 31.7 2/7 2400 34.4 32.7 32.7 51.8 2/8 0230 34.5 35.925 41.225 43.275 45.725 49.975 50.825 2/12 0500 41.1 37.3 36.0 51.8 2/12 0600 35.7 36.5 41.075 43.075 45.475 49.775 50.775 2/16 0400 43.3 40.9 39.4 37.7 37.5 41.15 42.9 45.275 49.625 50.825 2/18 0200 29.8 37.6 38.7 38.3 38.1 41.2 42.875 45.225 49.575 50.825 2/19 0000 29.6 35.3 37.7 38.3 38.4 41.1 42.9 45.1 49.6 50.9 2/20 0145 29.6 33.6 35.8 37.9 38.4 41.1 42.8 45.0 49.6 50.9 2/21 0245 36.0 34.3 35.6 37.7 38.4 41.1 42.8 45.0 49.5 50.9 2/22 0220 34.7 35.2 35.8 37.6 38.4 41.3 42.9 45.1 49.6 51.8 51.1 2/23 0240 35.9 35.9 36.3 37.3 38.3 41.2 42.8 45.0 49.4 51.0 2/24 0235 39.2 36.9 36.9 37.3 38.3 41.2 42.8 44.9 49.4 50.8 2/25 0220 35.9 37.1 36.8 37.3 38.1 41.2 42.8 44.9 49.4 50.7 2/26 0220 37.3 38.2 41.3 42.8 44.9 49.4 50.7 2/27 0125 40.4 36.9 37.1 37.7 38.4 41.2 42.8 44.9 49.3 50.7 3/2 0300 49.1 41.0 39.7 3/6 0245 51.8 44.8 43.3 39.8 39.7 41.875 41.975 44.85 48.95 50.975 3/9 0330 49.2 45.9 45.0 41.2 40.75 42.075 43.125 44.875 48.9 50.975 3/12 0230 45.7 45.7 45.5 42.3 41.65 42.675 43.275 44.85 49.225 51.025 3/15 0330 60.8 49.2 47.1 42.7 42.125 42.675 43.525 44.825 48.625 51.025 3/17 0500 60.1 52.4 50.2 44.0 42.825 43.025 43.55 44.975 48.675 51.025 3/18 0515 54.8 52.8 51.2 44.6 43.1 43.125 43.625 45.075 48.775 51.6 51.075 3/19 0530 54.7 51.9 51.1 45.2 43.575 43.25 43.725 45.25 48.675 51.175 3/20 0330 54.8 52.2 50.9 45.7 43.95 43.375 43.75 45.075 48.65 51.075 3/21 0500 49.9 51.1 50.6 45.9 44.225 43.5 43.9 45.05 48.525 51.4 51.025 3/22 0500 52.5 49.8 49.3 45.9 44.7 43.525 43.9 45.025 48.45 51.0 3/23 0700 63.6 52.1 50.4 46.1 44.775 43.8 43.95 45.275 48.525 51.075 3/24 0716 63.9 54.4 52.6 46.1 44.975 44.075 44.025 45.25 51.3 3/25 0445 63.9 56.1 53.9 46.4 45.185 44.1 44.1 45.175 3/26 0315 63.9 57.1 54.8 46.8 45.9 44.325 44.55 45.3 3/31 0810 63.2 54.9 53.6 47.15 45.075 44.85 45.55 48.35 51.2 51.075 4/3 0230 64.7 57.5 55.8 49.6 47.725 45.65 45.075 45.725 48.375 51.075 4/6 0450 63.2 56.0 54.9 50.3 48.425 46.1 45.45 45.875 4/9 0230 63.6 58.2 56.4 50.9 48.925 46.525 45.775 46.05 48.2 50.9 51.0 4/12 0330 62.9 58.4 57.0 51.8 49.75 47.1 46.175 46.275 4/15 0530 64.3 59.4 58.0 52.6 50.25 47.45 46.45 46.475 48.125 50.925 4/18 0330 53.4 50.925 47.925 46.875 46.725 4/21 0330 69.4 60.2 58.8 53.8 51.725 48.375 47.275 46.875 48.15 50.9 4/24 0730 65.5 59.8 58.9 54.3 52.1 48.775 47.55 47.25 50.8 4/27 1730 62.2 60.0 59.3 54.8 52.55 49.35 48.025 47.55 48.2 50.925 4/30 0815 64.6 60.2 59.1 55.1 52.825 49.675 48.325 47.8 50.5 5/3 1330 55.7 59.2 59.1 55.5 53.2 50.1 48.65 48.05 48.275 50.85 5/6 0130 63.8 58.9 57.7 55.5 53.45 50.375 48.925 48.3 5/9 1615 57.8 58.4 57.8 55.6 53.5 50.725 49.3 48.575 48.4 50.4 50.85 5/12 0440 59.2 59.2 57.9 55.6 53.5 50.95 49.5 48.75 5/15 0730 57.1 56.2 56.2 55.3 53.575 51.15 49.9 49.0 48.575 50.825 5/18 2240 59.9 58.4 56.7 55.0 53.35 51.375 50.025 49.25 5/21 1230 52.7 56.9 56.4 55.1 53.55 51.475 50.15 49.425 48.85 50.2 50.85 5/24 0930 55.1 53.525 51.575 50.325 49.625 5/27 0540 56.8 55.4 54.9 54.5 53.285 51.65 50.625 49.75 48.825 50.4 50.825 5/30 0310 59.8 59.0 56.3 54.6 53.1 51.7 50.55 49.875 50.4 6/3 0730 55.7 57.1 57.5 55.0 53.45 51.725 50.65 50.05 49.05 50.2 50.825 6/6 0350 54.4 56.1 56.9 55.1 53.675 51.85 50.725 50.175 50.3 6/9 0430 60.0 58.3 56.7 55.3 53.725 51.95 50.875 50.275 49.225 50.2 50.8 6/12 0325 58.4 59.8 58.5 55.5 53.8 52.075 50.975 50.375 50.2 6/15 0300 67.0 63.7 59.2 55.9 54.075 52.175 51.1 50.475 49.375 50.2 50.775 6/16 0300 68.4 64.4 59.9 56.2 50.2 6/17 0300 70.4 64.4 60.8 56.4 50.3 6/18 0300 68.6 65.5 61.4 56.6 50.3 6/18 0730 54.575 52.35 51.175 50.6 6/19 0300 72.1 67.5 61.8 57.1 50.2 6/20 0300 71.5 67.3 62.7 57.7 50.2 6/21 0300 71.7 68.3 63.1 57.9 50.2 6/21 0330 55.325 52.575 51.35 50.7 49.5 50.75 6/22 0300 69.8 67.9 63.8 58.2 50.2 6/23 0300 62.3 65.0 63.5 58.4 50.2 6/24 0300 53.0 60.0 62.2 58.7 50.2 6/24 0400 56.15 52.9 51.525 50.825 6/27 2150 59.2 57.7 58.4 57.7 56.0 53.35 51.875 51.025 49.675 50.2 50.725 6/30 0330 65.3 61.6 59.1 57.3 55.725 53.525 52.05 51.225 50.2 7/4 0320 56.9 55.675 53.675 52.275 51.4 49.825 50.725 7/6 0340 57.7 55.6 55.2 56.2 55.225 53.7 52.35 51.475 50.3 7/9 0420 54.4 57.2 57.7 55.7 54.7 53.65 52.475 51.625 49.9 50.3 50.675 7/12 0420 61.8 59.2 57.3 56.0 54.675 53.625 52.5 51.725 50.4 7/15 0530 57.2 58.9 57.6 56.0 54.825 53.575 52.525 51.775 50.05 50.2 50.7 7/18 0340 60.0 57.9 56.6 56.3 54.9 53.6 52.55 51.875 50.2 7/21 0430 57.6 56.9 56.6 56.1 54.825 53.625 52.6 51.95 50.25 50.2 50.675 7/24 0340 68.7 63.5 58.5 56.0 54.75 53.625 52.65 52.0 50.2 7/27 0730 60.8 60.2 58.9 56.4 50.0 7/27 1940 55.225 53.65 52.725 52.075 50.35 50.65 7/30 2040 52.5 52.6 54.1 55.9 55.25 53.75 52.725 52.075 50.6 8/3 1920 58.9 57.9 56.1 55.6 54.55 53.775 52.85 52.225 50.5 50.4 50.65 8/6 0330 66.1 64.0 58.4 56.3 54.6 53.725 52.85 52.25 50.2 8/9 0415 71.7 67.3 61.7 57.2 55.0 53.725 52.85 52.275 50.6 8/12 0530 62.5 60.3 60.1 57.8 55.7 53.75 52.85 52.3 50.2 8/15 0330 64.9 62.8 60.4 58.3 56.05 53.95 52.925 52.375 50.725 50.2 50.6 8/18 0330 60.5 61.6 59.9 58.2 56.3 54.125 53.075 52.425 50.2 8/21 0530 59.1 59.3 59.4 58.6 56.5 54.35 53.175 52.575 51.0 50.3 50.625 8/24 0400 57.5 56.9 57.9 58.3 56.45 54.55 53.35 52.675 50.3 8/27 0500 62.4 60.8 58.4 58.1 56.175 54.625 53.475 52.775 50.9 50.4 50.6 8/31 0730 69.9 64.9 59.8 57.8 56.2 54.675 53.55 52.75 50.3 9/3 0400 58.1 59.6 60.0 57.9 56.55 54.725 53.65 52.8 51.025 50.3 50.6 9/6 0430 62.6 61.4 58.9 50.5 9/6 2230 57.9 56.525 54.875 53.775 53.075 9/9 0440 64.8 62.8 59.9 58.2 56.55 54.95 53.8 53.15 51.15 50.5 50.575 9/12 0340 54.8 56.3 59.1 58.2 56.85 55.0 53.875 53.225 50.7 9/15 0230 50.2 52.6 56.5 57.9 56.65 55.1 53.95 53.275 51.25 50.5 50.6 9/18 0240 67.4 60.9 56.3 57.5 56.075 55.125 54.0 53.4 50.6 9/21 0430 57.5 55.9 55.0 54.05 53.425 51.35 50.575 9/21 0500 69.7 66.2 60.3 50.7 9/24 0245 42.4 51.1 58.7 58.1 56.3 54.975 54.0 53.475 50.9 9/27 0200 55.3 56.075 55.05 54.075 53.475 51.475 50.575 9/30 0345 56.4 55.3 54.3 55.9 55.325 55.025 54.125 53.55 50.6 10/3 0530 61.3 57.7 55.4 55.6 54.975 54.85 54.075 53.55 51.55 50.7 50.6 10/6 0215 60.2 57.5 56.2 55.4 54.925 54.675 54.0 53.525 50.6 10/12 0520 54.4 56.0 54.625 53.925 53.55 10/15 0530 54.8 52.8 54.0 55.3 55.475 54.925 54.475 53.85 52.125 50.5 50.65 10/18 0400 51.9 53.5 54.1 53.6 54.875 54.7 54.05 53.7 50.3 10/21 0400 44.9 50.8 54.2 53.7 54.725 54.6 53.975 53.675 52.0 50.5 50.75 10/24 0730 46.8 50.2 52.3 53.9 54.475 54.475 53.9 53.625 50.4 10/27 0530 43.5 44.3 50.9 50.9 10/27 2100 53.6 54.0 54.35 53.875 53.625 52.125 50.75 10/30 0500 36.8 40.8 48.3 53.6 53.5 54.2 53.775 53.575 50.5 11/3 0530 42.8 44.0 47.9 52.2 52.35 53.85 53.625 53.5 50.8 50.725 11/6 0330 43.3 44.8 46.9 50.0 51.825 53.575 53.475 53.475 50.6 11/9 1400 42.2 43.8 47.1 50.8 11/12 0245 38.8 41.8 45.8 50.4 50.9 52.9 53.225 50.8 11/12 2230 50.3 52.95 11/15 0400 50.525 52.55 52.725 53.1 52.125 50.775 1959 1/27 0100 36.0 44.0 "*Readings for 150, 200, 250, 300, 500 and 1200cm. between 2/19-27 were obtained using USWB recorder." **Readings for 100 and 250cm. on 1/27 1959 were received by message from PS.