Skip to content

Checking the NOAA OVATION feed

Saint-Louis-de-Terrebonne · February 2027

Northern lights in Saint-Louis-de-Terrebonne in February 2027

Answer

February gives Saint-Louis-de-Terrebonne 12.5 hours of civil night on the 15th, the 4th darkest of its 12 months, under 68% mean cloud. 1% of February days since 1996 reached Kp 6, enough for the oval edge to reach Saint-Louis-de-Terrebonne.
12.5 h
civil night, average night
SunCalc for 45.70, -73.79; NASA POWER; GFZ Kp

February against the rest of the year

February cloud at Saint-Louis-de-Terrebonne averages 68% in NASA POWER's 2001 to 2020 record, 3 points cloudier than its yearly mean. September is Saint-Louis-de-Terrebonne's clearest month at 54%. By civil night times clear sky, February scores 4.0 hours at Saint-Louis-de-Terrebonne, 3rd of 12. Trois-Rivières, 119 km away, averages 66%, clearer by 2 points.

Civil night at Saint-Louis-de-Terrebonne starts February at 13 h 5 min and reaches 11 h 48 min by February 28, 1.3 hours shorter. SWPC's 10 PM to 2 AM window is fully dark on every night. True astronomical darkness, the sun 18 degrees down, lasts 10.2 hours on the 15th.

February night by night

February opens toward a new moon on Feb 6, with full moon on Feb 20, in America/Toronto dates. Saint-Louis-de-Terrebonne gets 184 hours of civil night with the moon below the horizon across the month. The best of them for moon-free darkness inside 10 PM to 2 AM: Feb 1 (4 h), Feb 2 (4 h), Feb 3 (4 h).

  1. 1

    17% lit

    11.5 h

  2. 2

    10% lit

    12.2 h

  3. 3

    5% lit

    12.8 h

  4. 4

    2% lit

    13.0 h

  5. 5

    0% lit

    12.9 h

  6. 6

    0% lit

    12.9 h

  7. 7

    2% lit

    12.2 h

  8. 8

    6% lit

    11.1 h

  9. 9

    12% lit

    9.9 h

  10. 10

    19% lit

    8.7 h

  11. 11

    28% lit

    7.5 h

  12. 12

    38% lit

    6.3 h

  13. 13

    49% lit

    5.0 h

  14. 14

    60% lit

    3.7 h

  15. 15

    71% lit

    2.5 h

  16. 16

    81% lit

    1.6 h

  17. 17

    89% lit

    0.8 h

  18. 18

    96% lit

    0.2 h

  19. 19

    99% lit

    0.0 h

  20. 20

    100% lit

    0.0 h

  21. 21

    98% lit

    0.7 h

  22. 22

    93% lit

    2.0 h

  23. 23

    87% lit

    3.3 h

  24. 24

    79% lit

    4.5 h

  25. 25

    70% lit

    5.7 h

  26. 26

    60% lit

    6.8 h

  27. 27

    50% lit

    7.9 h

  28. 28

    41% lit

    8.8 h

Each cell is the night that starts on that date. Hours are civil-dark time with the moon below the horizon; the green rule scales with them. Green outline: new moon. Bone outline: full moon.

Activity in past Februarys

Saint-Louis-de-Terrebonne needs Kp 6 for the average oval edge to sit overhead. 11 of the 848 February days from 1996 to 2025 (1%) reached it in the GFZ Potsdam record, one of the three quietest months for that level; storm days with Kp 5 or more made up 8%. Saint-Louis-de-Terrebonne sits at 54.9 degrees geomagnetic. The lowest NOAA storm level whose typical viewing latitude reaches it is G3 (Kp = 7). By SWPC's rule the average oval edge is overhead only at Kp 6.

February across Canada

Saint-Louis-de-Terrebonne ranks 19th in Canada for civil night on February 15, behind Yellowknife at 13.3 hours. Coming from January (13.7 hours at Saint-Louis-de-Terrebonne), February loses darkness, and March brings shorter nights (11.0 hours on the 15th).

Civil night on February 15 and February cloud, month-page towns in Canada
TownCivil nightCloud
Yellowknife13.3 h51%
Whitehorse13.2 h61%
Grande Prairie12.9 h68%
Fort McMurray12.9 h66%
Fort St. John12.9 h67%
Edmonton12.8 h69%
Prince Albert12.8 h68%
Lloydminster12.8 h66%
Calgary12.7 h69%
Saskatoon12.7 h66%
Red Deer12.7 h70%
Winnipeg12.6 h56%
Saint-Louis-de-Terrebonne12.5 h68%

Darkness and moon, every night

Saint-Louis-de-Terrebonne, February 2027: each night from local noon to the next noon
NightCivilAstronomicalMoon-free darkMoon-free, 10 PM to 2 AMMoon lit
Mon Feb 113 h 5 min10 h 45 min11 h 31 min4 h17%
Tue Feb 213 h 3 min10 h 42 min12 h 13 min4 h10%
Wed Feb 313 h10 h 40 min12 h 47 min4 h5%
Thu Feb 412 h 58 min10 h 38 min12 h 58 min4 h2%
Fri Feb 512 h 55 min10 h 35 min12 h 55 min4 h0%
Sat Feb 612 h 52 min10 h 33 min12 h 52 min4 h0%
Sun Feb 712 h 50 min10 h 30 min12 h 11 min4 h2%
Mon Feb 812 h 47 min10 h 28 min11 h 3 min4 h6%
Tue Feb 912 h 44 min10 h 25 min9 h 54 min4 h12%
Wed Feb 1012 h 42 min10 h 23 min8 h 44 min4 h19%
Thu Feb 1112 h 39 min10 h 20 min7 h 32 min3 h 3 min28%
Fri Feb 1212 h 36 min10 h 17 min6 h 16 min1 h 49 min38%
Sat Feb 1312 h 33 min10 h 15 min4 h 58 min33 min49%
Sun Feb 1412 h 30 min10 h 12 min3 h 42 min0 min60%
Mon Feb 1512 h 27 min10 h 9 min2 h 32 min0 min71%
Tue Feb 1612 h 25 min10 h 6 min1 h 34 min0 min81%
Wed Feb 1712 h 22 min10 h 4 min48 min0 min89%
Thu Feb 1812 h 19 min10 h 1 min12 min0 min96%
Fri Feb 1912 h 16 min9 h 58 min0 min0 min99%
Sat Feb 2012 h 13 min9 h 55 min0 min0 min100%
Sun Feb 2112 h 10 min9 h 52 min44 min0 min98%
Mon Feb 2212 h 7 min9 h 49 min2 h0 min93%
Tue Feb 2312 h 4 min9 h 46 min3 h 15 min0 min87%
Wed Feb 2412 h 1 min9 h 43 min4 h 28 min36 min79%
Thu Feb 2511 h 58 min9 h 40 min5 h 40 min1 h 49 min70%
Fri Feb 2611 h 55 min9 h 37 min6 h 49 min2 h 59 min60%
Sat Feb 2711 h 52 min9 h 34 min7 h 52 min4 h50%
Sun Feb 2811 h 48 min9 h 31 min8 h 47 min4 h41%
Moon lit: SunCalc illuminated fraction at the middle of the 10 PM to 2 AM window.

Questions

Can you see the northern lights in Saint-Louis-de-Terrebonne in February?
On dark, clear nights with enough activity. 28 of 28 nights at Saint-Louis-de-Terrebonne have civil darkness, and 1% of past February days reached Kp 6.
How dark is Saint-Louis-de-Terrebonne in February?
Saint-Louis-de-Terrebonne averages 12.5 hours of civil night a night in February 2027, from 13 h 5 min on the 1st to 11 h 48 min on the last night.
How cloudy is Saint-Louis-de-Terrebonne in February?
NASA POWER's 2001 to 2020 climatology gives Saint-Louis-de-Terrebonne's 1 degree cell 68% mean cloud in February, against 65% for the whole year. It is an all-hours average, not a forecast.
What is the best night in February 2027 for aurora in Saint-Louis-de-Terrebonne?
By darkness and moon alone, Feb 1, with 4 h of moon-free darkness inside 10 PM to 2 AM at Saint-Louis-de-Terrebonne. Activity on that date will only be known hours ahead.
Is February or March better in Saint-Louis-de-Terrebonne?
By civil night times the clear share, February scores 4.0 hours at Saint-Louis-de-Terrebonne and March 3.8. February comes out ahead.

Sources and verification

Quoted figures last checked against their sources on 2026-09-30; next review 2026-12-31. Computed figures come from SunCalc and the IGRF-14 dipole as described in the methodology. Every quote is listed in the sources ledger.