Apizaco weather in February
In February, Apizaco sees average daytime highs of 21°C and overnight lows near 7°C, with 11 mm of rain across 2.6 wet days and about 11.3 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.
Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 64% of the time in February, and the air most often feels dry.
Daylight stretches from about 11 h 06 min at the start of February to 11 h 36 min by month's end. Set against the rest of the year, February is Apizaco's 1st-clearest and 3rd-windiest month. For the whole year in context, see Apizaco's year-round climate.
- Daytime high
- 21°
- 7th warmest
- Overnight low
- 7°
- 3rd coldest
- Rainfall
- 11 mm
- 2.6 wet days
- Daylight
- 11 h 18 min
- 7:07 AM – 6:27 PM
- Cloud cover
- 33%
- 1st clearest
- Wind
- 8 km/h
- 3rd windiest
- Solar energy
- 5.8 kWh/m²
- Travel score
- 8.1
- out of 10
Apizaco is municipal seat of Apizaco, State of Tlaxcala, Mexico.
- Founded
- 1987
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in February
Highs climb over the month, from about 20°C in the first days to 22°C by the end.
A typical February day in Apizaco reaches about 21°C in the afternoon and slips back to 7°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°C. Set against its neighbours, February runs about 2°C warmer than January and about 2°C cooler than March.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg low (°C) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 20 | 6 |
| 2 | 20 | 6 |
| 3 | 20 | 6 |
| 4 | 20 | 6 |
| 5 | 20 | 6 |
| 6 | 20 | 6 |
| 7 | 20 | 6 |
| 8 | 20 | 6 |
| 9 | 21 | 6 |
| 10 | 21 | 6 |
| 11 | 21 | 6 |
| 12 | 21 | 6 |
| 13 | 21 | 6 |
| 14 | 21 | 7 |
| 15 | 21 | 7 |
| 16 | 21 | 7 |
| 17 | 22 | 7 |
| 18 | 22 | 7 |
| 19 | 22 | 7 |
| 20 | 22 | 7 |
| 21 | 22 | 7 |
| 22 | 22 | 7 |
| 23 | 22 | 7 |
| 24 | 22 | 7 |
| 25 | 22 | 7 |
| 26 | 22 | 7 |
| 27 | 22 | 7 |
| 28 | 22 | 7 |
Apizaco weather by month
How February compares with the rest of the year at a glance. February is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 19° / 5° | 11 | 2.5 | 11 | 7.7 |
| Feb | 21° / 7° | 11 | 2.6 | 11.3 | 8.1 |
| Mar | 23° / 8° | 23 | 6.5 | 11.9 | 7.8 |
| Apr | 24° / 10° | 41 | 10.8 | 12.4 | 7.0 |
| May | 24° / 11° | 54 | 12.8 | 12.9 | 6.7 |
| Jun | 22° / 11° | 111 | 16.1 | 13.1 | 5.6 |
| Jul | 22° / 11° | 93 | 17.4 | 13.1 | 5.4 |
| Aug | 22° / 11° | 101 | 17.6 | 12.7 | 5.3 |
| Sep | 21° / 11° | 112 | 17.2 | 12.1 | 5.2 |
| Oct | 21° / 9° | 54 | 9.3 | 11.6 | 6.5 |
| Nov | 20° / 7° | 17 | 4.1 | 11.1 | 7.5 |
| Dec | 20° / 6° | 7 | 1.8 | 10.9 | 7.9 |
Cloud cover in February
The sky is clear or mostly clear about 64% of the time in February, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 15% of February, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 73 | 72 | 72 | 73 | 73 | 73 | 74 | 75 | 76 | 76 | 78 | 78 | 79 | 80 | 81 | 81 | 82 | 82 | 83 | 83 | 83 | 84 | 84 | 84 | 84 | 84 | 84 | 84 |
| Cloudier (%) | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 25 | 24 | 24 | 22 | 22 | 21 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 73 | 27 |
| 2 | 72 | 28 |
| 3 | 72 | 28 |
| 4 | 73 | 27 |
| 5 | 73 | 27 |
| 6 | 73 | 27 |
| 7 | 74 | 26 |
| 8 | 75 | 25 |
| 9 | 76 | 24 |
| 10 | 76 | 24 |
| 11 | 78 | 22 |
| 12 | 78 | 22 |
| 13 | 79 | 21 |
| 14 | 80 | 20 |
| 15 | 81 | 19 |
| 16 | 81 | 19 |
| 17 | 82 | 18 |
| 18 | 82 | 18 |
| 19 | 83 | 17 |
| 20 | 83 | 17 |
| 21 | 83 | 17 |
| 22 | 84 | 16 |
| 23 | 84 | 16 |
| 24 | 84 | 16 |
| 25 | 84 | 16 |
| 26 | 84 | 16 |
| 27 | 84 | 16 |
| 28 | 84 | 16 |
Chance of precipitation in February
Apizaco gets around 11 mm of rain over 2.6 wet days in February. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 10% and peaks near 12% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 |
| Rain chance (%) | |
|---|---|
| 1 | 12 |
| 2 | 12 |
| 3 | 12 |
| 4 | 12 |
| 5 | 12 |
| 6 | 11 |
| 7 | 11 |
| 8 | 11 |
| 9 | 10 |
| 10 | 10 |
| 11 | 9 |
| 12 | 9 |
| 13 | 8 |
| 14 | 8 |
| 15 | 8 |
| 16 | 8 |
| 17 | 8 |
| 18 | 8 |
| 19 | 8 |
| 20 | 8 |
| 21 | 8 |
| 22 | 8 |
| 23 | 9 |
| 24 | 9 |
| 25 | 10 |
| 26 | 10 |
| 27 | 11 |
| 28 | 11 |
Humidity in February
Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, February lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
Wind in February
Winds average 8 km/h in February.
Across February, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
Sunrise & sunset in February
Daylight runs from about 11 h 06 min at the start of February to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over February. Sunrise moves from 7:12 AM to 6:59 AM, and sunset from 6:20 PM to 6:33 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.1 | 11.1 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.6 |
| Sunrise (AM) | 7:12 | 7:12 | 7:12 | 7:11 | 7:11 | 7:11 | 7:10 | 7:10 | 7:10 | 7:09 | 7:09 | 7:08 | 7:08 | 7:07 | 7:07 | 7:06 | 7:06 | 7:05 | 7:05 | 7:04 | 7:04 | 7:03 | 7:02 | 7:02 | 7:01 | 7:00 | 7:00 | 6:59 |
| Sunset (PM) | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.1 | 7:12 | 6:20 |
| 2 | 11.1 | 7:12 | 6:21 |
| 3 | 11.2 | 7:12 | 6:21 |
| 4 | 11.2 | 7:11 | 6:22 |
| 5 | 11.2 | 7:11 | 6:22 |
| 6 | 11.2 | 7:11 | 6:23 |
| 7 | 11.2 | 7:10 | 6:23 |
| 8 | 11.2 | 7:10 | 6:24 |
| 9 | 11.2 | 7:10 | 6:24 |
| 10 | 11.3 | 7:09 | 6:25 |
| 11 | 11.3 | 7:09 | 6:25 |
| 12 | 11.3 | 7:08 | 6:26 |
| 13 | 11.3 | 7:08 | 6:26 |
| 14 | 11.3 | 7:07 | 6:27 |
| 15 | 11.3 | 7:07 | 6:27 |
| 16 | 11.4 | 7:06 | 6:28 |
| 17 | 11.4 | 7:06 | 6:28 |
| 18 | 11.4 | 7:05 | 6:29 |
| 19 | 11.4 | 7:05 | 6:29 |
| 20 | 11.4 | 7:04 | 6:30 |
| 21 | 11.4 | 7:04 | 6:30 |
| 22 | 11.5 | 7:03 | 6:31 |
| 23 | 11.5 | 7:02 | 6:31 |
| 24 | 11.5 | 7:02 | 6:31 |
| 25 | 11.5 | 7:01 | 6:32 |
| 26 | 11.5 | 7:00 | 6:32 |
| 27 | 11.5 | 7:00 | 6:33 |
| 28 | 11.6 | 6:59 | 6:33 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 5.8 kWh/m².
For context, solar energy here swings from a low near 4.9 kWh/m² to a high of 6.84 kWh/m² in April across the year — February's 5.8 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.3 | Bright |
| 2 | 5.3 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.4 | Bright |
| 5 | 5.4 | Bright |
| 6 | 5.5 | Bright |
| 7 | 5.5 | Bright |
| 8 | 5.5 | Bright |
| 9 | 5.6 | Bright |
| 10 | 5.6 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.8 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.9 | Bright |
| 17 | 5.9 | Bright |
| 18 | 6.0 | Bright |
| 19 | 6.0 | Intense |
| 20 | 6.0 | Intense |
| 21 | 6.1 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.2 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
Hazard calendar for Apizaco
None of Apizaco's seasonal hazards are active in February. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Apizaco's rainy season runs May–October, when most of the year's rain falls.
Is February a good time to visit Apizaco?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is one of the better times to visit Apizaco for general sightseeing.
What to pack for Apizaco in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, Apizaco sees daytime highs around 21°C and nights near 7°C. Worth packing: a warm layer and sun protection.
UV index in Apizaco in February
Clear-sky midday UV in February peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Apizaco peaks around April 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 12 | 14 | 15 | 10 | 14 | 13 | 14 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 15 | Extreme |
| May | 10 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Apizaco in February
Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.
Air quality in Apizaco is worst in December — around 165 µg/m³ PM2.5 (very unhealthy), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 137 | 131 | 122 | 120 | 143 | 121 | 118 | 113 | 120 | 121 | 155 | 165 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Very unhealthy | Very unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 137 | Unhealthy |
| Feb | 131 | Unhealthy |
| Mar | 122 | Unhealthy |
| Apr | 120 | Unhealthy |
| May | 143 | Unhealthy |
| Jun | 121 | Unhealthy |
| Jul | 118 | Unhealthy |
| Aug | 113 | Unhealthy |
| Sep | 120 | Unhealthy |
| Oct | 121 | Unhealthy |
| Nov | 155 | Very unhealthy |
| Dec | 165 | Very unhealthy |
Where is Apizaco?
Apizaco sits at 19.4°N, 98.1°W, 2,424 m above sea level, in Mexico. The nearest listed city is Tetla, 5.0 km away.
Topography around Apizaco
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Apizaco.
Within 3 km, the terrain around Apizaco has only modest variations in elevation — a maximum elevation change of 184 m around an average of 2,420 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 698 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,925 m.
The land around Apizaco is covered by artificial surfaces (53%) within 3 km, cropland (37%), trees (27%) and grassland (22%) within 16 km, and cropland (33%) and trees (32%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Apizaco (19.4133°, -98.1436°, elevation 2,424 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).