Statistics for EGY_Cairo.623660_IWEC Location -- CAIRO - EGY {N 30° 7'} {E 31° 23'} {GMT +2.0 Hours} Elevation -- 74m above sea level Standard Pressure at Elevation -- 100439Pa Data Source -- IWEC Data WMO Station 623660 - Using Design Conditions from "Climate Design Data 2009 ASHRAE Handbook" - If the design condition source is ASHRAE, the design conditions are carefully generated - from a period of record (typically 30 years) to be representative of that location and - be suitable for use in heating/cooling load calculations. If the source is not ASHRAE, - please consult the referenced source for the reasoning behind the data. Design Stat ColdestMonth DB996 DB990 DP996 HR_DP996 DB_DP996 DP990 HR_DP990 DB_DP990 WS004c DB_WS004c WS010c DB_WS010c WS_DB996 WD_DB996 Units {} {°C} {°C} {°C} {} {°C} {°C} {} {°C} {m/s} {°C} {m/s} {°C} {m/s} {deg} Heating 1 7.7 8.7 -3.9 2.7 20.2 -1.4 3.4 19.3 11.6 14.7 10.1 15.8 2.3 90 Design Stat HottestMonth DBR DB004 WB_DB004 DB010 WB_DB010 DB020 WB_DB020 WB004 DB_WB004 WB010 DB_WB010 WB020 DB_WB020 WS_DB004 WD_DB004 DP004 HR_DP004 DB_DP004 DP010 HR_DP010 DB_DP010 DP020 HR_DP020 DB_DP020 EN004 DB_EN004 EN010 DB_EN010 EN020 DB_EN020 #Hrs_8-4_&_DB-12.8/20.6 Units {} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {m/s} {deg} {°C} {} {°C} {°C} {} {°C} {°C} {} {°C} {kJ/kg} {°C} {kJ/kg} {°C} {kJ/kg} {°C} {} Cooling 7 11.5 38.1 21.1 36.7 21.3 35.2 21.5 24.9 31.8 24.2 31 23.7 30.3 5.4 350 23.1 18 27.3 22.3 17.1 26.6 21.9 16.8 26.4 76.1 32 73.4 31 71.3 30.3 930 Design Stat WS010 WS025 WS050 WBmax DBmin_mean DBmax_mean DBmin_stddev DBmax_stddev DBmin05years DBmax05years DBmin10years DBmax10years DBmin20years DBmax20years DBmin50years DBmax50years Units {m/s} {m/s} {m/s} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} {°C} Extremes 9.4 8.1 7.2 28.8 5.1 42 2.1 1.4 3.6 43 2.3 43.8 1.1 44.6 -0.4 45.6 - Monthly Statistics for Dry Bulb temperatures °C Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Maximum 23.0 26.0 28.9 39.4 41.3 43.0 36.1 38.0 37.0 34.2 28.2 23.0 Day:Hour 31:15 16:15 19:14 27:14 27:14 7:16 7:14 20:12 17:13 14:14 28:14 11:15 Minimum 7.0 8.0 9.0 11.0 13.0 17.7 21.0 21.0 18.4 16.0 8.5 8.8 Day:Hour 20:04 20:06 8:05 3:05 2:06 1:06 23:09 10:05 24:05 21:06 17:05 24:05 Daily Avg 14.0 14.5 16.6 21.8 24.7 28.0 28.2 27.9 26.5 23.8 19.0 15.3 - Maximum Dry Bulb temperature of 43.0°C on Jun 7 - Minimum Dry Bulb temperature of 7.0°C on Jan 20 - Average Hourly Statistics for Dry Bulb temperatures °C Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0:01- 1:00 12.0 12.2 14.0 17.9 20.1 24.2 24.5 24.3 23.2 21.1 16.4 12.9 1:01- 2:00 11.7 12.0 13.6 17.4 19.5 23.5 24.2 23.9 22.8 20.7 15.9 12.5 2:01- 3:00 11.4 11.7 13.1 17.0 19.0 22.9 23.8 23.5 22.2 20.4 15.6 12.2 3:01- 4:00 11.1 11.3 12.6 16.7 18.6 22.5 23.3 23.1 21.8 19.9 15.3 11.9 4:01- 5:00 10.9 11.1 12.4 16.5 18.3 22.2 23.0 23.0 21.3 19.7 14.9 11.8 5:01- 6:00 10.6 11.0 13.3 16.6 18.8 22.5 23.3 23.0 21.8 19.7 15.1 11.7 6:01- 7:00 10.6 11.0 13.5 17.7 19.9 24.0 24.1 23.9 22.7 20.3 15.1 11.6 7:01- 8:00 11.3 11.8 14.3 19.3 22.2 25.5 25.5 25.2 23.8 21.4 16.6 13.0 8:01- 9:00 13.1 13.2 15.9 21.4 24.3 27.3 26.7 26.9 26.2 22.9 18.5 14.6 9:01-10:00 14.5 14.8 17.1 23.3 26.5 28.8 28.9 28.6 27.8 24.8 20.4 16.3 10:01-11:00 15.8 16.4 18.0 25.2 28.4 30.6 30.5 30.4 29.1 26.4 21.9 17.9 11:01-12:00 16.7 17.3 19.3 26.6 29.6 31.8 31.9 31.8 30.4 27.3 22.8 18.7 12:01-13:00 17.3 18.1 20.2 27.5 30.6 32.7 32.6 32.9 31.5 28.2 23.5 19.4 13:01-14:00 17.6 18.5 21.1 27.7 31.5 33.6 33.3 33.7 32.2 28.8 24.0 19.9 14:01-15:00 17.6 18.5 21.0 27.5 31.7 33.8 33.6 33.9 32.0 28.8 23.8 19.9 15:01-16:00 17.6 18.4 20.8 27.2 31.5 34.1 33.7 33.8 31.6 28.6 23.3 19.4 16:01-17:00 16.6 17.7 20.5 26.7 30.6 33.5 33.4 33.1 30.8 27.7 22.3 18.3 17:01-18:00 15.9 16.3 19.4 25.7 29.3 32.5 32.4 31.9 29.8 26.4 21.0 17.2 18:01-19:00 15.1 15.5 18.4 23.8 27.4 30.8 31.0 30.4 28.7 25.4 19.9 16.3 19:01-20:00 14.6 15.1 17.4 22.3 25.4 29.1 29.6 28.9 27.4 24.2 19.1 15.5 20:01-21:00 13.9 14.4 16.4 21.2 23.9 27.9 28.2 27.5 26.1 23.4 18.5 14.8 21:01-22:00 13.4 14.1 15.7 20.1 22.7 26.7 27.2 26.4 25.4 22.6 17.7 14.4 22:01-23:00 13.0 13.6 15.0 19.2 21.7 25.7 26.2 25.5 24.9 21.9 17.3 13.8 23:01-24:00 12.6 12.8 14.5 18.6 20.9 25.0 25.4 24.8 23.8 21.5 16.8 13.1 Max Hour 15 15 14 14 15 16 16 15 14 15 14 14 Min Hour 6 6 5 5 5 5 5 6 5 5 5 7 - Monthly Statistics for Extreme temperatures °C #Days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Max >= 32 7 17 25 30 29 16 8 Max <= 0 Min <= 0 Min <=-18 - Monthly Statistics for Dew Point temperatures °C Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Maximum 13.4 14.1 13.5 16.3 19.0 21.0 23.1 27.0 22.8 23.0 20.0 17.9 Day:Hour 4:17 19:14 30:05 9:20 31:13 26:09 25:08 22:09 19:02 15:01 8:10 21:17 Minimum 0.0 0.0 1.0 -4.0 -1.2 5.7 9.9 10.9 6.8 0.0 2.3 -0.4 Day:Hour 11:10 8:12 1:20 5:24 6:02 7:02 5:14 18:14 3:11 20:05 27:02 11:14 Daily Avg 7.8 6.3 8.6 9.2 10.1 15.0 18.5 19.4 17.1 14.7 11.4 8.6 - Maximum Dew Point temperature of 27.0°C on Aug 22 - Minimum Dew Point temperature of -4.0°C on Apr 5 - Monthly Statistics for Relative Humidity % Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Maximum 100 100 97 94 92 94 100 100 99 100 100 100 Day:Hour 4:22 24:06 2:06 19:06 10:05 18:05 23:09 22:06 28:21 15:01 9:04 19:04 Minimum 25 20 24 12 10 13 21 23 22 17 23 22 Day:Hour 31:17 16:17 19:14 26:13 6:12 7:14 5:14 18:14 17:13 24:13 28:14 11:14 Daily Avg 69 61 62 49 46 49 59 63 59 60 64 66 - Average Hourly Relative Humidity % Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0:01- 1:00 78 71 74 62 61 62 76 80 73 71 74 76 1:01- 2:00 79 72 75 64 65 67 78 81 75 72 76 77 2:01- 3:00 80 72 78 65 67 69 79 83 78 73 77 77 3:01- 4:00 80 73 79 65 68 71 82 85 80 75 78 79 4:01- 5:00 81 73 80 66 69 73 82 85 81 75 79 77 5:01- 6:00 81 74 77 66 68 72 82 85 79 74 77 79 6:01- 7:00 82 74 75 65 64 67 79 82 76 73 78 79 7:01- 8:00 79 70 72 60 55 60 74 76 72 69 74 76 8:01- 9:00 73 65 66 50 45 53 67 68 60 64 67 70 9:01-10:00 67 59 59 43 37 45 56 59 51 57 61 63 10:01-11:00 61 53 55 37 31 37 49 50 45 51 53 56 11:01-12:00 58 49 49 33 28 34 43 45 42 46 50 52 12:01-13:00 55 45 46 30 27 32 40 41 39 42 47 50 13:01-14:00 53 46 42 30 24 30 37 37 37 40 45 48 14:01-15:00 53 45 42 30 24 29 36 38 38 41 44 48 15:01-16:00 54 44 43 31 24 29 36 38 39 42 46 50 16:01-17:00 57 47 45 33 25 30 36 39 42 45 50 56 17:01-18:00 62 53 49 35 28 32 40 44 45 49 55 61 18:01-19:00 65 58 53 42 35 37 45 51 49 54 60 65 19:01-20:00 66 60 57 47 41 42 51 58 54 57 64 67 20:01-21:00 69 62 62 51 47 47 57 65 60 62 67 69 21:01-22:00 71 64 66 53 51 51 61 70 63 65 70 71 22:01-23:00 72 66 70 57 55 55 67 74 65 68 69 73 23:01-24:00 74 68 72 59 58 59 70 78 70 70 71 76 Max Hour 7 6 5 5 5 5 5 5 5 4 5 7 Min Hour 14 16 14 14 15 16 16 14 14 14 15 14 - Monthly Indicators for Precipitation/Moisture (kPa) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1.1 0.9 1.0 1.1 1.1 1.5 1.9 2.0 1.8 1.6 1.3 1.1 - Monthly Statistics for Wind Chill/Heat Index temperatures °C ** Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Minimum WC 5 -1 8 10 9 Day:Hour 18:08 21:23 8:06 17:05 23:05 Average WC 9 7 9 10 10 Avg Del WC 1 2 0 -1 -1 # Hours WC 20 31 2 1 4 Maximum HI 29 36 34 40 41 37 33 28 Day:Hour 10:19 31:13 26:12 18:15 23:13 1:14 15:18 8:13 Average HI 27 29 29 31 32 30 29 28 Avg Del HI 0 0 1 1 2 1 1 1 # Hours HI 7 6 107 264 293 211 88 1 - **WindChill/HeatIndex Temps -- statistics...only those different from Air Temps - Monthly Wind Direction % {N=0 or 360,E=90,S=180,W=270} Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec North 26 29 44 38 27 39 64 51 58 37 47 35 NorthEast 8 2 15 26 31 26 5 15 28 26 8 16 East 7 1 7 8 21 10 1 3 7 9 3 6 SouthEast 6 2 2 5 4 3 1 1 1 7 5 3 South 10 21 3 3 4 2 0 0 0 2 11 17 SouthWest 17 16 4 3 1 2 0 0 0 4 4 6 West 11 14 17 4 3 1 2 2 0 5 6 6 NorthWest 15 15 10 14 9 18 27 28 5 12 15 12 - Monthly Statistics for Wind Speed m/s Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Maximum 11.8 12.9 25.7 26.2 11.8 9.3 7.2 24.2 8.2 23.6 9.3 9.3 Day:Hour 24:14 14:14 5:07 5:05 27:17 7:11 8:20 9:11 17:17 2:02 29:15 11:10 Minimum 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Day:Hour 1:01 2:04 1:03 1:06 2:06 3:06 4:06 2:06 2:05 1:02 1:04 1:23 Daily Avg 3.0 3.7 3.5 4.1 4.2 3.8 3.2 3.2 3.2 3.3 2.6 2.5 - Maximum Wind Speed of 26.2 m/s on Apr 5 - Minimum Wind Speed of 0.0 m/s on Jan 1 - Monthly Statistics for Solar Radiation (Direct Normal, Diffuse, Global Horizontal) Wh/m² Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Direct Avg 2854 3816 4046 4988 5697 6738 6712 5826 5565 3715 2961 3354 Direct Max 7652 8201 8194 8674 8466 8041 7894 7458 6438 6182 5782 6347 Day 31 28 27 16 5 5 7 3 7 9 26 31 Diffuse Avg 1542 1890 2370 2531 2679 2316 2139 2158 1964 1826 1742 1288 Global Avg 2927 3977 4908 6086 7015 7614 7453 6718 5989 4201 3284 2865 - Maximum Direct Normal Solar of 8674 Wh/m² on Apr 16 - Average Hourly Statistics for Direct Normal Solar Radiation Wh/m² Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0:01- 1:00 0 0 0 0 0 0 0 0 0 0 0 0 1:01- 2:00 0 0 0 0 0 0 0 0 0 0 0 0 2:01- 3:00 0 0 0 0 0 0 0 0 0 0 0 0 3:01- 4:00 0 0 0 0 0 0 0 0 0 0 0 0 4:01- 5:00 0 0 0 0 0 0 0 0 0 0 0 0 5:01- 6:00 0 0 0 0 0 0 0 0 0 0 0 0 6:01- 7:00 0 0 38 170 227 205 142 55 35 7 0 0 7:01- 8:00 117 259 232 348 395 419 314 211 248 190 176 101 8:01- 9:00 297 480 454 484 538 572 486 376 481 364 358 273 9:01-10:00 369 524 477 539 569 653 628 528 595 445 419 402 10:01-11:00 383 547 446 566 596 703 740 650 676 500 444 470 11:01-12:00 379 463 422 545 589 725 782 742 731 542 419 485 12:01-13:00 358 400 412 513 612 742 785 762 736 515 379 474 13:01-14:00 322 339 417 477 622 769 768 760 723 457 332 447 14:01-15:00 285 309 422 471 570 717 741 698 638 380 261 393 15:01-16:00 232 269 375 431 493 610 655 584 484 248 170 267 16:01-17:00 110 204 291 322 349 437 477 363 215 66 5 42 17:01-18:00 0 23 60 122 135 186 193 98 4 0 0 0 18:01-19:00 0 0 0 0 0 0 0 0 0 0 0 0 19:01-20:00 0 0 0 0 0 0 0 0 0 0 0 0 20:01-21:00 0 0 0 0 0 0 0 0 0 0 0 0 21:01-22:00 0 0 0 0 0 0 0 0 0 0 0 0 22:01-23:00 0 0 0 0 0 0 0 0 0 0 0 0 23:01-24:00 0 0 0 0 0 0 0 0 0 0 0 0 Max Hour* 11* 11* 10* 11* 14 14 13 13 13 12 11* 12 Min Hour 1 1 1 1 1 1 1 1 1 1 1 1 - Monthly Calculated "undisturbed" Ground Temperatures** °C Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0.5 m 15.8 15.3 16.3 17.9 22.1 25.3 27.4 28.1 27.0 24.5 21.1 18.0 2.0 m 18.0 16.9 17.1 18.0 20.8 23.3 25.3 26.4 26.2 24.8 22.5 20.0 4.0 m 19.7 18.7 18.4 18.7 20.3 22.0 23.6 24.7 24.9 24.3 23.0 21.3 - **These ground temperatures should NOT BE USED in the GroundTemperatures object to compute building floor losses. - The temperatures for 0.5 m depth can be used for GroundTemperatures:Surface. - The temperatures for 4.0 m depth can be used for GroundTemperatures:Deep. - Calculations use a standard soil diffusivity of 2.3225760E-03 {m**2/day} - Monthly Heating/Cooling Degree Days/Hours Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec HDD base 10C 0 0 0 0 0 0 0 0 0 0 0 0 HDD base 18C 126 103 59 8 0 0 0 0 0 0 8 85 CDD base 10C 123 125 203 354 455 539 563 556 496 429 270 164 CDD base 18C 0 4 15 122 208 299 315 308 256 181 38 1 CDH base 20C 23 99 393 2353 4099 5737 6084 5899 4730 3024 784 82 CDH base 23C 0 22 106 1342 2717 3754 3889 3705 2808 1494 207 0 CDH base 27C 0 0 6 487 1386 1826 1767 1673 1103 439 3 0 - 4276 annual cooling degree-days (10°C baseline) - 0 annual heating degree-days (10°C baseline) - 1746 annual cooling degree-days (18°C baseline) - 390 annual heating degree-days (18°C baseline) - Climate type "BSh" (Köppen classification)** - Hot subtropical steppe (lat. 15-30°N) - Unbearably hot dry periods in summer, but passive cooling is possible - **Note that the Köppen classification shown here is derived algorithmically from the source weather data. - It may not be indicative of the long term climate for this location. - Climate type "2B" (ASHRAE Standards 90.1-2004 and 90.2-2004 Climate Zone)** - Hot - Dry, Probable Köppen classification=BWh, Arid Subtropical - **Note that the ASHRAE classification shown here is derived algorithmically from the source weather data. - It may not be indicative of the long term climate for this location. - Typical/Extreme Period Determination - Wet Period=Aug:Aug Week closest to this period average temperature selected for Typical Period Typical Week Period selected: Aug 15:Aug 21, Average Temp= 27.93°C, Deviation=| 0.383|°C - Dry Period=Sep:Jul Week closest to this period average temperature selected for Typical Period Typical Week Period selected: Apr 14:Apr 20, Average Temp= 21.14°C, Deviation=| 0.130|°C - Summer is May:Jul Extreme Summer Week (nearest maximum temperature for summer) Extreme Hot Week Period selected: Jun 5:Jun 11, Maximum Temp= 43.00°C, Deviation=|11.778|°C Typical Summer Week (nearest average temperature for summer) Typical Week Period selected: Jun 26:Jul 2, Average Temp= 26.93°C, Deviation=| 0.017|°C - Winter is Nov:Jan Extreme Winter Week (nearest minimum temperature for winter) Extreme Cold Week Period selected: Jan 11:Jan 17, Minimum Temp= 7.00°C, Deviation=| 5.988|°C Typical Winter Week (nearest average temperature for winter) Typical Week Period selected: Dec 6:Dec 12, Average Temp= 16.05°C, Deviation=| 0.507|°C - Autumn is Aug:Oct Typical Autumn Week (nearest average temperature for autumn) Typical Week Period selected: Sep 19:Sep 25, Average Temp= 26.10°C, Deviation=| 0.009|°C - Spring is Feb:Apr Typical Spring Week (nearest average temperature for spring) Typical Week Period selected: Mar 15:Mar 21, Average Temp= 17.66°C, Deviation=| 0.163|°C