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White Plains · March 2027

Northern lights in White Plains in March 2027

Answer

March gives White Plains 11.1 hours of civil night on the 15th, the 6th darkest of its 12 months, under 62% mean cloud. 0% of March days since 1996 reached Kp 8, enough for the oval edge to reach White Plains.
11.0 h
civil night, average night
SunCalc for 41.03, -73.76; NASA POWER; GFZ Kp

March against the rest of the year

March cloud at White Plains averages 62% in NASA POWER's 2001 to 2020 record, 3 points cloudier than its yearly mean. September is White Plains's clearest month at 50%. By civil night times clear sky, March scores 4.2 hours at White Plains, 7th of 12. Portland, Maine, 410 km away, averages the same 62%.

Civil night at White Plains starts March at 11 h 42 min and reaches 10 h 19 min by March 31, 1.4 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 8.9 hours on the 15th.

March night by night

March opens toward a new moon on Mar 8, with full moon on Mar 22, in America/New_York dates. White Plains gets 187 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: Mar 1 (4 h), Mar 2 (4 h), Mar 3 (4 h).

  1. 1

    32% lit

    9.2 h

  2. 2

    23% lit

    9.8 h

  3. 3

    16% lit

    10.4 h

  4. 4

    9% lit

    10.8 h

  5. 5

    5% lit

    11.2 h

  6. 6

    1% lit

    11.5 h

  7. 7

    0% lit

    11.4 h

  8. 8

    1% lit

    11.3 h

  9. 9

    4% lit

    10.2 h

  10. 10

    8% lit

    9.1 h

  11. 11

    15% lit

    7.9 h

  12. 12

    24% lit

    6.7 h

  13. 13

    34% lit

    5.5 h

  14. 14

    44% lit

    4.3 h

  15. 15

    56% lit

    3.3 h

  16. 16

    67% lit

    2.4 h

  17. 17

    77% lit

    1.7 h

  18. 18

    86% lit

    1.1 h

  19. 19

    93% lit

    0.6 h

  20. 20

    98% lit

    0.2 h

  21. 21

    100% lit

    0.0 h

  22. 22

    99% lit

    0.2 h

  23. 23

    96% lit

    1.4 h

  24. 24

    91% lit

    2.5 h

  25. 25

    84% lit

    3.6 h

  26. 26

    76% lit

    4.7 h

  27. 27

    68% lit

    5.7 h

  28. 28

    58% lit

    6.5 h

  29. 29

    49% lit

    7.3 h

  30. 30

    40% lit

    7.8 h

  31. 31

    31% lit

    8.3 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 Marchs

White Plains needs Kp 8 for the average oval edge to sit overhead. 4 of the 930 March days from 1996 to 2025 (0%) reached it in the GFZ Potsdam record, 6th of 12 months; storm days with Kp 5 or more made up 12%. White Plains sits at 50.2 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 8.

March across United States

No month-page town in United States has more civil night on March 15 than White Plains; the national median is 11.0 hours. Coming from February (12.3 hours at White Plains), March loses darkness, and April brings shorter nights (9.6 hours on the 15th). The March equinox falls on March 20, 16:25 White Plains time, inside the weeks SWPC links with larger storms.

Civil night on March 15 and March cloud, month-page towns in United States
TownCivil nightCloud
White Plains11.1 h62%
Seattle11.0 h79%
Minneapolis11.0 h67%
Buffalo11.0 h74%
Duluth11.0 h62%
Portland, Maine11.0 h62%
Fargo11.0 h66%
Juneau10.7 h76%
Anchorage10.6 h63%
Eagle River10.6 h63%
Fairbanks10.4 h51%

Darkness and moon, every night

White Plains, March 2027: each night from local noon to the next noon
NightCivilAstronomicalMoon-free darkMoon-free, 10 PM to 2 AMMoon lit
Mon Mar 111 h 42 min9 h 34 min9 h 10 min4 h32%
Tue Mar 211 h 39 min9 h 32 min9 h 49 min4 h23%
Wed Mar 311 h 36 min9 h 29 min10 h 22 min4 h16%
Thu Mar 411 h 34 min9 h 26 min10 h 49 min4 h9%
Fri Mar 511 h 31 min9 h 23 min11 h 12 min4 h5%
Sat Mar 611 h 28 min9 h 21 min11 h 28 min4 h1%
Sun Mar 711 h 26 min9 h 18 min11 h 26 min4 h0%
Mon Mar 811 h 23 min9 h 15 min11 h 21 min4 h1%
Tue Mar 911 h 20 min9 h 12 min10 h 14 min4 h4%
Wed Mar 1011 h 18 min9 h 9 min9 h 5 min4 h8%
Thu Mar 1111 h 15 min9 h 7 min7 h 54 min4 h15%
Fri Mar 1211 h 12 min9 h 4 min6 h 41 min3 h24%
Sat Mar 1311 h 9 min9 h 1 min5 h 27 min49 min34%
Sun Mar 1411 h 7 min8 h 58 min4 h 18 min0 min44%
Mon Mar 1511 h 4 min8 h 55 min3 h 16 min0 min56%
Tue Mar 1611 h 1 min8 h 52 min2 h 24 min0 min67%
Wed Mar 1710 h 58 min8 h 49 min1 h 42 min0 min77%
Thu Mar 1810 h 56 min8 h 46 min1 h 7 min0 min86%
Fri Mar 1910 h 53 min8 h 43 min37 min0 min93%
Sat Mar 2010 h 50 min8 h 40 min10 min0 min98%
Sun Mar 2110 h 47 min8 h 37 min0 min0 min100%
Mon Mar 2210 h 44 min8 h 34 min11 min0 min99%
Tue Mar 2310 h 42 min8 h 31 min1 h 21 min0 min96%
Wed Mar 2410 h 39 min8 h 28 min2 h 31 min12 min91%
Thu Mar 2510 h 36 min8 h 25 min3 h 39 min1 h 21 min84%
Fri Mar 2610 h 33 min8 h 21 min4 h 43 min2 h 27 min76%
Sat Mar 2710 h 30 min8 h 18 min5 h 42 min3 h 27 min68%
Sun Mar 2810 h 28 min8 h 15 min6 h 33 min4 h58%
Mon Mar 2910 h 25 min8 h 12 min7 h 15 min4 h49%
Tue Mar 3010 h 22 min8 h 9 min7 h 51 min4 h40%
Wed Mar 3110 h 19 min8 h 6 min8 h 20 min4 h31%
Moon lit: SunCalc illuminated fraction at the middle of the 10 PM to 2 AM window.

Questions

Can you see the northern lights in White Plains in March?
On dark, clear nights with enough activity. 31 of 31 nights at White Plains have civil darkness, and 0% of past March days reached Kp 8.
How dark is White Plains in March?
White Plains averages 11.0 hours of civil night a night in March 2027, from 11 h 42 min on the 1st to 10 h 19 min on the last night.
How cloudy is White Plains in March?
NASA POWER's 2001 to 2020 climatology gives White Plains's 1 degree cell 62% mean cloud in March, against 59% for the whole year. It is an all-hours average, not a forecast.
What is the best night in March 2027 for aurora in White Plains?
By darkness and moon alone, Mar 1, with 4 h of moon-free darkness inside 10 PM to 2 AM at White Plains. Activity on that date will only be known hours ahead.
Is March or April better in White Plains?
By civil night times the clear share, March scores 4.2 hours at White Plains and April 3.6. March 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.