Lottery Number Lab Odds, drawing history and probability for Mega Millions and Powerball

Powerball archive

Powerball winning numbers for 2015

25 bundled Powerball drawings in 2015, from October 7, 2015 to December 30, 2015, with year-specific frequency, sum, odd/even and consecutive-pair analysis from the bundled draw record.

Year at a glance

Archive coverage begins October 7, 2015 — the first drawing under the current 5-of-69 white / 1-of-26 Powerball matrix. Earlier 2015 drawings are excluded.

Drawings
25

October 7, 2015 → December 30, 2015

Average white-ball sum
191.6

14.8 above the observed archive average of 176.8 (1,417 drawings)

Sum range
116 – 285

Low November 4, 2015 · High October 17, 2015

Consecutive pairs
7 (28.0%)

Observed archive rate 26.3% (1,417 drawings)

Top odd/even split
3:2

10 drawings (40.0%)

Top Powerball
1

3×

Every Powerball drawing in 2015

How to interpret these 2015 figures

2015 is a past calendar year relative to the snapshot reference date October 8, 2026. This page describes the 25 bundled Powerball drawings from October 7, 2015 through December 30, 2015. That span is what the archive holds. It is not a claim that every official drawing of the year was captured.

The bundled archive begins on October 7, 2015, partway through 2015. Earlier 2015 drawings used a different ball pool and are not in this count.

Separately from that calendar coverage, 25 drawings is a small sample. A leading ball in a sample this size can sit far from its count in a longer record. Sample size is not a measure of how much of the calendar the archive covers.

The five white balls in these 2015 drawings averaged 191.6. The observed average across the bundled archive of 1417 drawings from October 7, 2015 through October 7, 2026 is 176.8. The 2015 average is 14.8 points above that observed archive average. The archive average is the mean of those recorded drawings, not a theoretical mean of the ball matrix.

A uniform mathematical expectation for one specified white ball in this year's record is about 1.8 appearances (25 × 5 / 69). That expectation is not the observed archive average. 8 white balls tied at 4 appearances (16, 20, 30, 32, 40, 47, 56, 68). 12 numbers from 1–69 did not appear in these drawings. The tally describes these drawings only and does not change the odds of a later drawing.

The most common odd/even split in 2015 was 3 odd / 2 even, in 10 drawings (40.0%). Consecutive white-ball pairs appeared in 7 of 25 drawings (28.0%). The observed rate in the bundled archive of 1417 drawings is 26.3%. These are counts, not a test of whether the difference is ordinary.

The most frequent Powerball in 2015 was 1, drawn 3 times. Each Powerball drawing is an independent trial. Hot, cold, and overdue labels summarize records; they do not change the odds on the next ticket. Verify any real ticket with your state lottery.

Frequency — white balls and Powerball

With 25 drawings and five white balls each, the mathematical expectation for one specified white number is about 1.8 appearances (25 × 5 / 69). That is an expectation for this year's drawing count, not the observed archive average. Rankings below break ties by ball number ascending so a rebuild always produces the same order.

Five most-drawn white balls in 2015 (ties broken by lower number first).
RankWhite ballTimes drawnShare of 2015 drawings
#1164×16.0%
#2204×16.0%
#3304×16.0%
#4324×16.0%
#5404×16.0%

Least-drawn white balls in 2015 (including 12 that never appeared): 1, 3, 5, 8, 11, 21, 23, 24, 34, 35, 39, 51.

Most frequent Powerball values in 2015.
RankPowerballTimes drawnShare of 2015
#113×12.0%
#222×8.0%
#362×8.0%
#492×8.0%
#5102×8.0%

Frequency is a rear-view mirror. A number that led 2015 has no better chance in the next drawing — see hot and cold numbers tested and independent trials.

Sums and odd/even distribution

The lowest white-ball sum of 2015 was 116 on November 4, 2015:

021217206517

The highest was 285 on October 17, 2015 — a spread of 169 points:

484957626919

Odd/even split of the five white balls across all 25 drawings in 2015.
Odd:even splitDrawingsShare of year
3 odd / 2 even1040.0%
1 odd / 4 even832.0%
2 odd / 3 even520.0%
0 odd / 5 even14.0%
4 odd / 1 even14.0%
5 odd / 0 even00.0%
Measure2015Observed archive (1,417 drawings, October 7, 2015 – October 7, 2026)
Drawings251,417
Average sum191.6176.8
Drawings with consecutive numbers7 (28.0%)26.3%
Drawings repeating a ball from the previous one20.8%31.6%
All five balls in the lower half03.0% of drawings

Consecutive-number pairs

7 of 25 drawings (28.0%) included at least one consecutive white-ball pair (for example 14–15). The observed rate in the bundled archive (1,417 drawings, October 7, 2015 – October 7, 2026) is 26.3%. That comparison is a count, not a test of the difference. Consecutive pairs are not a signal to seek or avoid on a ticket.

Every Powerball drawing in 2015

Powerball results, newest first. The Powerball is the final, highlighted ball. Always verify a ticket with your state lottery — this table is a convenience copy, not an official record.
Drawing date (ET)Winning numbersSumOdd/evenLow/high
December 30, 20151236385461222011:41:4
December 26, 20152740445965202353:21:4
December 23, 20151638556367252393:21:4
December 19, 20152830415968102262:32:3
December 16, 20150910324255061482:33:2
December 12, 20150214193062221271:44:1
December 9, 20150710164656011351:43:2
December 5, 20151327334768131884:13:2
December 2, 20151418193264091471:44:1
November 28, 20150206476667021882:32:3
November 25, 20151629535869212253:22:3
November 21, 20153747505257212433:20:5
November 18, 20151740414669062133:21:4
November 14, 20151422374566051842:32:3
November 11, 20150426325564181811:43:2
November 7, 20150716255053151513:23:2
November 4, 20150212172065171162:34:1
October 31, 20150920254768071693:23:2
October 28, 20150454566263102391:41:4
October 24, 20152031566064022311:42:3
October 21, 20153032425657112171:42:3
October 17, 20154849576269192853:20:5
October 14, 20151520293140011353:24:1
October 10, 20151227294368011793:23:2
October 7, 20151830404852091880:52:3

Source and methodology

Counts on this page are computed from the site's bundled Powerball draw file for calendar year 2015 only (Eastern Time drawing dates). Matrix context: Archive coverage begins October 7, 2015 — the first drawing under the current 5-of-69 white / 1-of-26 Powerball matrix. Earlier 2015 drawings are excluded. Full method and correction policy: Methodology. Draw snapshot last refreshed October 8, 2026. Always verify a ticket with your state lottery — this page is a convenience copy, not an official record.

These results are a convenience copy of public data and may be delayed or incorrect. Never claim a prize or discard a ticket based on this page — only your state lottery can validate a ticket. Nothing here is a prediction or a recommendation to play; lottery drawings are independent random events. 18+ (21+ in some states). Full disclaimer.

Sources

Figures on this page are computed from the published game rules and the drawing record. These are the documents they are checked against — see our methodology and corrections policy for how that is done.