***Corrected Winter 2010*** LOCAL CLIMATOLOGICAL DATA HISTORY OF THE AMUNDSEN SCOTT SOUTH POLE STATION YEAR 1969 MONTH MAY .... ALL TEMPERATURES MINUS C.... DAY TEMPERATURE C PCPN AVG WIND FASTEST SUN SKY STN WX MAX MIN AVG SPEED MILE SHINE COVER PRESS DIR MPH SPD DIR HRS 1 53.3 60.6 54.8 0 360 13.2 16 360 M 0 683.7 2 53.9 57.8 57.0 0 020 16.4 23 010 M 1 677.4 BS 3 56.1 61.7 60.7 0 020 17.6 23 020 M 1 672.4 BS 4 60.6 62.2 61.5 0 030 18.6 23 030 M 1 675.8 BS 5 58.9 61.1 60.0 0 030 21.6 24 030 M 5 674.6 BS 6 58.3 60.6 59.6 0 020 20.5 28 010 M 5 671.8 BS 7 52.2 61.7 56.4 0 020 22.4 30 020 M 0 669.9 BS 8 52.2 59.4 56.1 0 360 18.7 25 010 M 0 673.0 BS 9 53.9 61.7 59.2 0 030 16.9 23 040 M 2 677.4 10 38.6 61.7 43.5 0 020 22.1 33 020 M 5 675.8 BS 11 31.7 46.1 37.5 0 010 16.2 27 020 M 7 678.5 BS 12 35.6 46.7 45.2 0 020 19.5 28 010 M 4 677.0 BS 13 43.9 55.6 50.8 T 040 16.4 30 010 M 0 679.1 IC,BS 14 49.4 56.7 54.8 0 030 12.7 21 040 M 0 676.9 15 53.9 59.4 55.9 0 030 16.9 25 030 M 0 674.7 16 54.4 59.4 58.2 0 050 17.5 23 040 M 0 674.2 17 56.7 60.6 59.6 0 070 15.5 24 050 M 0 678.6 18 54.4 63.3 57.1 0 010 13.3 22 060 M 0 685.2 19 45.3 57.8 48.7 T 360 8.3 21 350 M 3 691.5 SG,IC 20 44.4 54.4 50.8 T 130 14.9 20 150 M 2 688.4 SG 21 47.2 57.2 51.2 0 100 6.4 21 120 M 0 683.0 22 48.3 62.2 60.7 0 110 12.3 18 110 M 0 686.8 23 61.7 64.4 63.4 0 090 12.7 18 120 M 0 689.9 24 60.6 65.6 63.1 0 110 10.6 20 070 M 0 689.2 25 57.2 65.6 61.4 0 090 11.7 18 050 M 0 685.3 26 61.7 65.6 64.7 0 050 13.0 18 070 M 0 685.0 27 62.8 66.1 64.7 0 060 15.5 20 110 M 0 685.8 28 55.0 65.0 59.1 0 030 19.0 23 040 M 0 683.5 BS 29 54.4 59.4 58.0 0 020 21.6 28 020 M 0 683.2 BS 30 57.8 62.2 59.4 0 020 21.0 27 020 M 0 683.5 BS 31 58.9 63.9 62.4 0 010 19.5 25 020 M 0 686.1 BS AVG 52.7 60.2 56.6 T 020 16.2 33 020 M 1 680.5 10th AVG MONTHLY -56.6 PCPN TRACE NR DAYS CLEAR 26 HIGHEST -31.7 ON 11th SUNSHINE M PARTLY CLOUDY 05 LOWEST -66.1 ON 27th CLOUDY 00 HIGH PRESSURE 693.2 ON 20th LOW PRESSURE 669.0 ON 8th NET CHANGE IN SNOWSTAKE FIELD: 9.99 SNOWSTAKE DATA NOT AVAILABLE. The following data was changed from the old LCD: All Average Temps recalculated for 24hrs instead of Max+Min/2. Individual Data changed to reflect extremes from LCD and NCDC Data. All Average Sky Cover changed to reflect data from 00Z through 00Z daily. All Sky Cover changed to Octas. Peak wind speed, peak wind direction, precipitation, sunshine amount, and present wx reported in NZST. Insufficient data to convert these values to UTC. All temperature, wind, and pressure data taken from NCDC data. LCD data originally reported in NZST. Changed Monthly Averages: (All temps are Minus C) From To From To From To Max T 53.5 52.7 Avg Wnd Spd 16.4 16.2 Avg Press 680.4 680.5 Min T 59.6 60.2 Max Press 693.0 693.2 Fastest Wnd MPH Avg T 56.5 56.6 Min Press Changes to Daily Data: Max Temp Day 7 9 10 18 19 24 28 From: 58.3 55.0 45.6 56.7 47.2 63.3 59.4 To: 52.2 53.9 38.6 54.4 45.3 60.6 55.0 Min Temp Day 2 3 8 13 15 20 22 26 30 From: 56.7 60.6 58.3 49.4 57.2 51.1 61.7 65.0 59.4 To: 57.8 61.7 59.4 55.6 59.4 54.4 62.2 65.6 62.2 Avg Temp Day 1 2 3 4 6 7 8 9 10 11 12 13 14 15 From: 56.9 55.3 58.3 61.4 59.4 60.0 55.3 58.3 53.6 38.9 41.1 46.7 53.1 55.6 To: 54.8 57.0 60.7 61.5 59.6 56.4 56.1 59.2 43.5 37.5 45.2 50.8 54.8 55.9 Day 16 17 18 19 20 21 22 23 24 26 27 28 29 30 31 From: 56.9 58.6 60.0 52.5 47.8 52.2 55.0 63.1 64.4 63.3 64.4 62.2 56.9 58.6 61.4 To: 58.2 59.6 57.1 48.7 50.8 51.2 60.7 63.4 63.1 64.7 64.7 59.1 58.0 59.4 62.4 Number of NCDC observations per day: 4