Aviation Digital Data Service (ADDS)

Output produced by METARs form (0750 UTC 20 March 2019)
found at http://www.aviationweather.gov/metar/data/
 
METAR text: MROC 200700Z 06005KT 020V110 CAVOK 21/16 A3001 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0700 UTC 20 March 2019
Temperature: 21.0°C (70°F)
Dewpoint: 16.0°C (61°F) [RH = 73%]
Pressure (altimeter): 30.01 inches Hg (1016.3 mb)
Winds: from the ENE (60 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 200600Z 11006KT 040V160 CAVOK 22/16 A3004 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0600 UTC 20 March 2019
Temperature: 22.0°C (72°F)
Dewpoint: 16.0°C (61°F) [RH = 69%]
Pressure (altimeter): 30.04 inches Hg (1017.4 mb)
Winds: from the ESE (110 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 200500Z 08008KT 050V110 CAVOK 22/17 A3005 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0500 UTC 20 March 2019
Temperature: 22.0°C (72°F)
Dewpoint: 17.0°C (63°F) [RH = 73%]
Pressure (altimeter): 30.05 inches Hg (1017.7 mb)
Winds: from the E (80 degrees) at 9 MPH (8 knots; 4.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 200400Z 09009KT 060V120 CAVOK 22/17 A3006 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0400 UTC 20 March 2019
Temperature: 22.0°C (72°F)
Dewpoint: 17.0°C (63°F) [RH = 73%]
Pressure (altimeter): 30.06 inches Hg (1018.0 mb)
Winds: from the E (90 degrees) at 10 MPH (9 knots; 4.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 200300Z 09011KT 060V120 CAVOK 22/17 A3005 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0300 UTC 20 March 2019
Temperature: 22.0°C (72°F)
Dewpoint: 17.0°C (63°F) [RH = 73%]
Pressure (altimeter): 30.05 inches Hg (1017.7 mb)
Winds: from the E (90 degrees) at 13 MPH (11 knots; 5.7 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 200200Z 10011KT 060V120 CAVOK 23/17 A3004 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0200 UTC 20 March 2019
Temperature: 23.0°C (73°F)
Dewpoint: 17.0°C (63°F) [RH = 69%]
Pressure (altimeter): 30.04 inches Hg (1017.4 mb)
Winds: from the E (100 degrees) at 13 MPH (11 knots; 5.7 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 200100Z 10012KT 9999 FEW040 BKN100 23/17 A3001 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0100 UTC 20 March 2019
Temperature: 23.0°C (73°F)
Dewpoint: 17.0°C (63°F) [RH = 69%]
Pressure (altimeter): 30.01 inches Hg (1016.3 mb)
Winds: from the E (100 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 10000 feet AGL
Clouds: few clouds at 4000 feet AGL
broken clouds at 10000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 200000Z 09009KT 060V120 9999 SCT040 BKN100 24/17 A2999 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0000 UTC 20 March 2019
Temperature: 24.0°C (75°F)
Dewpoint: 17.0°C (63°F) [RH = 65%]
Pressure (altimeter): 29.99 inches Hg (1015.7 mb)
Winds: from the E (90 degrees) at 10 MPH (9 knots; 4.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 10000 feet AGL
Clouds: scattered clouds at 4000 feet AGL
broken clouds at 10000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 192300Z 12011KT 080V160 9999 FEW040 BKN100 25/17 A2996 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 2300 UTC 19 March 2019
Temperature: 25.0°C (77°F)
Dewpoint: 17.0°C (63°F) [RH = 61%]
Pressure (altimeter): 29.96 inches Hg (1014.6 mb)
Winds: from the ESE (120 degrees) at 13 MPH (11 knots; 5.7 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 10000 feet AGL
Clouds: few clouds at 4000 feet AGL
broken clouds at 10000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 192200Z COR 14010KT 090V180 9999 FEW040 BKN100 26/17 A2995 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 2200 UTC 19 March 2019
Temperature: 26.0°C (79°F)
Dewpoint: 17.0°C (63°F) [RH = 58%]
Pressure (altimeter): 29.95 inches Hg (1014.3 mb)
Winds: from the SE (140 degrees) at 12 MPH (10 knots; 5.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 10000 feet AGL
Clouds: few clouds at 4000 feet AGL
broken clouds at 10000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 192100Z 14011KT 100V180 9999 FEW040 BKN070 27/17 A2995 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 2100 UTC 19 March 2019
Temperature: 27.0°C (81°F)
Dewpoint: 17.0°C (63°F) [RH = 54%]
Pressure (altimeter): 29.95 inches Hg (1014.3 mb)
Winds: from the SE (140 degrees) at 13 MPH (11 knots; 5.7 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 7000 feet AGL
Clouds: few clouds at 4000 feet AGL
broken clouds at 7000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 192000Z 19007KT 140V270 9999 SCT040 28/18 A2996 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 2000 UTC 19 March 2019
Temperature: 28.0°C (82°F)
Dewpoint: 18.0°C (64°F) [RH = 55%]
Pressure (altimeter): 29.96 inches Hg (1014.6 mb)
Winds: from the S (190 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: scattered clouds at 4000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 191938Z 22008KT 140V270 9999 SCT040 28/17 A2007 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1938 UTC 19 March 2019
Temperature: 28.0°C (82°F)
Dewpoint: 17.0°C (63°F) [RH = 51%]
Pressure (altimeter): missing
Winds: from the SW (220 degrees) at 9 MPH (8 knots; 4.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: scattered clouds at 4000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 191900Z 11008KT 060V150 9999 SCT045 29/16 A2999 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1900 UTC 19 March 2019
Temperature: 29.0°C (84°F)
Dewpoint: 16.0°C (61°F) [RH = 45%]
Pressure (altimeter): 29.99 inches Hg (1015.7 mb)
Winds: from the ESE (110 degrees) at 9 MPH (8 knots; 4.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: scattered clouds at 4500 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 191800Z 12012KT 090V170 9999 FEW045 SCT250 30/16 A3001 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1800 UTC 19 March 2019
Temperature: 30.0°C (86°F)
Dewpoint: 16.0°C (61°F) [RH = 43%]
Pressure (altimeter): 30.01 inches Hg (1016.3 mb)
Winds: from the ESE (120 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 4500 feet AGL
scattered clouds at 25000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 191700Z 11012KT 070V150 CAVOK 29/16 A3004 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1700 UTC 19 March 2019
Temperature: 29.0°C (84°F)
Dewpoint: 16.0°C (61°F) [RH = 45%]
Pressure (altimeter): 30.04 inches Hg (1017.4 mb)
Winds: from the ESE (110 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 191600Z 11012KT 080V140 CAVOK 29/16 A3005 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1600 UTC 19 March 2019
Temperature: 29.0°C (84°F)
Dewpoint: 16.0°C (61°F) [RH = 45%]
Pressure (altimeter): 30.05 inches Hg (1017.7 mb)
Winds: from the ESE (110 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 191500Z 10009KT 060V160 CAVOK 27/15 A3005 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1500 UTC 19 March 2019
Temperature: 27.0°C (81°F)
Dewpoint: 15.0°C (59°F) [RH = 48%]
Pressure (altimeter): 30.05 inches Hg (1017.7 mb)
Winds: from the E (100 degrees) at 10 MPH (9 knots; 4.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 191400Z 09008KT 060V140 CAVOK 23/15 A3005 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1400 UTC 19 March 2019
Temperature: 23.0°C (73°F)
Dewpoint: 15.0°C (59°F) [RH = 61%]
Pressure (altimeter): 30.05 inches Hg (1017.7 mb)
Winds: from the E (90 degrees) at 9 MPH (8 knots; 4.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 191300Z 08007KT 050V110 CAVOK 22/15 A3003 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1300 UTC 19 March 2019
Temperature: 22.0°C (72°F)
Dewpoint: 15.0°C (59°F) [RH = 65%]
Pressure (altimeter): 30.03 inches Hg (1017.0 mb)
Winds: from the E (80 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 191200Z 05010KT CAVOK 22/15 A2999 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1200 UTC 19 March 2019
Temperature: 22.0°C (72°F)
Dewpoint: 15.0°C (59°F) [RH = 65%]
Pressure (altimeter): 29.99 inches Hg (1015.7 mb)
Winds: from the NE (50 degrees) at 12 MPH (10 knots; 5.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 191100Z 06008KT 030V090 CAVOK 21/15 A2998 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1100 UTC 19 March 2019
Temperature: 21.0°C (70°F)
Dewpoint: 15.0°C (59°F) [RH = 69%]
Pressure (altimeter): 29.98 inches Hg (1015.3 mb)
Winds: from the ENE (60 degrees) at 9 MPH (8 knots; 4.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 191000Z 05008KT CAVOK 20/15 A2997 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 1000 UTC 19 March 2019
Temperature: 20.0°C (68°F)
Dewpoint: 15.0°C (59°F) [RH = 73%]
Pressure (altimeter): 29.97 inches Hg (1015.0 mb)
Winds: from the NE (50 degrees) at 9 MPH (8 knots; 4.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 190900Z 07011KT CAVOK 21/15 A2998 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0900 UTC 19 March 2019
Temperature: 21.0°C (70°F)
Dewpoint: 15.0°C (59°F) [RH = 69%]
Pressure (altimeter): 29.98 inches Hg (1015.3 mb)
Winds: from the ENE (70 degrees) at 13 MPH (11 knots; 5.7 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 190800Z 05011KT CAVOK 21/15 A2999 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0800 UTC 19 March 2019
Temperature: 21.0°C (70°F)
Dewpoint: 15.0°C (59°F) [RH = 69%]
Pressure (altimeter): 29.99 inches Hg (1015.7 mb)
Winds: from the NE (50 degrees) at 13 MPH (11 knots; 5.7 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 190700Z 07012KT 050V120 CAVOK 21/15 A3001 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0700 UTC 19 March 2019
Temperature: 21.0°C (70°F)
Dewpoint: 15.0°C (59°F) [RH = 69%]
Pressure (altimeter): 30.01 inches Hg (1016.3 mb)
Winds: from the ENE (70 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 190600Z 07006KT 010V120 CAVOK 21/15 A3003 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0600 UTC 19 March 2019
Temperature: 21.0°C (70°F)
Dewpoint: 15.0°C (59°F) [RH = 69%]
Pressure (altimeter): 30.03 inches Hg (1017.0 mb)
Winds: from the ENE (70 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 190500Z 07012KT CAVOK 21/15 A3004 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0500 UTC 19 March 2019
Temperature: 21.0°C (70°F)
Dewpoint: 15.0°C (59°F) [RH = 69%]
Pressure (altimeter): 30.04 inches Hg (1017.4 mb)
Winds: from the ENE (70 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 190400Z 08010G20KT 050V110 CAVOK 21/14 A3005 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0400 UTC 19 March 2019
Temperature: 21.0°C (70°F)
Dewpoint: 14.0°C (57°F) [RH = 64%]
Pressure (altimeter): 30.05 inches Hg (1017.7 mb)
Winds: from the E (80 degrees) at 12 MPH (10 knots; 5.1 m/s)
gusting to 23 MPH (20 knots; 10.3 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 190300Z 08011KT 050V110 CAVOK 21/15 A3003 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0300 UTC 19 March 2019
Temperature: 21.0°C (70°F)
Dewpoint: 15.0°C (59°F) [RH = 69%]
Pressure (altimeter): 30.03 inches Hg (1017.0 mb)
Winds: from the E (80 degrees) at 13 MPH (11 knots; 5.7 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 190200Z 09014KT CAVOK 22/15 A3001 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0200 UTC 19 March 2019
Temperature: 22.0°C (72°F)
Dewpoint: 15.0°C (59°F) [RH = 65%]
Pressure (altimeter): 30.01 inches Hg (1016.3 mb)
Winds: from the E (90 degrees) at 16 MPH (14 knots; 7.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 190100Z 10016KT CAVOK 21/15 A2998 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0100 UTC 19 March 2019
Temperature: 21.0°C (70°F)
Dewpoint: 15.0°C (59°F) [RH = 69%]
Pressure (altimeter): 29.98 inches Hg (1015.3 mb)
Winds: from the E (100 degrees) at 18 MPH (16 knots; 8.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 190000Z 10013G24KT CAVOK 23/15 A2995 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 0000 UTC 19 March 2019
Temperature: 23.0°C (73°F)
Dewpoint: 15.0°C (59°F) [RH = 61%]
Pressure (altimeter): 29.95 inches Hg (1014.3 mb)
Winds: from the E (100 degrees) at 15 MPH (13 knots; 6.7 m/s)
gusting to 28 MPH (24 knots; 12.3 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

METAR text: MROC 182300Z 10015KT 9999 FEW045 OVC250 24/16 A2993 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 2300 UTC 18 March 2019
Temperature: 24.0°C (75°F)
Dewpoint: 16.0°C (61°F) [RH = 61%]
Pressure (altimeter): 29.93 inches Hg (1013.6 mb)
Winds: from the E (100 degrees) at 17 MPH (15 knots; 7.7 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 25000 feet AGL
Clouds: few clouds at 4500 feet AGL
overcast cloud deck at 25000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 182200Z 10017KT 9999 FEW045 BKN250 25/15 A2991 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 2200 UTC 18 March 2019
Temperature: 25.0°C (77°F)
Dewpoint: 15.0°C (59°F) [RH = 54%]
Pressure (altimeter): 29.91 inches Hg (1013.0 mb)
Winds: from the E (100 degrees) at 20 MPH (17 knots; 8.7 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 25000 feet AGL
Clouds: few clouds at 4500 feet AGL
broken clouds at 25000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 182100Z 09016KT 9999 FEW045 BKN250 27/15 A2991 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 2100 UTC 18 March 2019
Temperature: 27.0°C (81°F)
Dewpoint: 15.0°C (59°F) [RH = 48%]
Pressure (altimeter): 29.91 inches Hg (1013.0 mb)
Winds: from the E (90 degrees) at 18 MPH (16 knots; 8.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 25000 feet AGL
Clouds: few clouds at 4500 feet AGL
broken clouds at 25000 feet AGL
Weather: no significant weather observed at this time

METAR text: MROC 182000Z 09016G26KT 070V130 CAVOK 27/15 A2993 NOSIG
Conditions at: MROC (JUAN SANTAMARIA , CR) observed 2000 UTC 18 March 2019
Temperature: 27.0°C (81°F)
Dewpoint: 15.0°C (59°F) [RH = 48%]
Pressure (altimeter): 29.93 inches Hg (1013.6 mb)
Winds: from the E (90 degrees) at 18 MPH (16 knots; 8.2 m/s)
gusting to 30 MPH (26 knots; 13.4 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

Forecast for: MROC (JUAN SANTAMARIA , CR)
Text: MROC 200500Z 2006/2106 11012KT 9999 FEW040 TX30/2018Z TN20/2010Z
Forecast period: 0600 UTC 20 March 2019 to 0600 UTC 21 March 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the ESE (110 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 4000 feet AGL
Weather: no significant weather forecast for this period