Chestnut tiramisu at Fiola, the highest-rated restaurant in Tom Sietsema's Spring Dining Guide. (Deb Lindsey for The Washington Post) Chestnut tiramisu at Fiola, the highest-rated restaurant in Tom Sietsema's Spring Dining Guide. (Deb Lindsey for The Washington Post)

Tom Sietsema's 2016 Spring Dining Guide is here. In this year's roundup, The Post's food critic revisits 20 previously reviewed restaurants and also ranks his 10 favorite new restaurants of the previous year.

[2016 Spring Dining Guide]

We've analyzed and re-analyzed the guide in search of interesting facts and patterns. Here's what we found:

0 Restaurants with 4-star (superlative) reviews

4 Restaurants with 1-star (satisfactory) reviews (Ben's Chili Bowl, Brasserie Beck, Boss Shepherd's Mon Ami Gabi)

4 New restaurants that jumped out of the gate to 3-star (excellent) reviews (Kinship, Convivial, Bad Saint and Masseria)

6 Restaurants that maintained the same star rating as their previous review (Art and Soul, Fogo de Chao, Girasole, Mandu, Matchbox, Woodmont Grill)

4 Restaurants that earned a higher star rating than their previous review (Fiola, Osteria Morini, the Prime Rib, Woodward Table)

8 Restaurants that earned a lower star rating than their previous review (Bistro L'Hermitage, BLT Steak, Boss Shepherd's, Brasserie Beck, Comet Ping Pong, Taberna del Alabardero, Two Amys, Vidalia)

87 Loudest decibel rating recorded for the guide (BLT Steak and Comet Ping Pong)

64 Lowest decibel rating recorded for the guide (Girasole)

14 Longest gap in years between reviews. (Mon Ami Gabi)

4 New restaurants in Shaw that made the guide (Convivial, Kinship, the Dabney and Espita Mezcaleria)

New member of the 3.5-Stars-and-Higher Club, with Fiola now joining Rasika West End (3.5 stars) and Rasika, Rose's Luxury, Minibar, Komi, Inn at Little Washington and Little Serow (4 stars).

Related items:

2016 Spring Dining Guide

The top 10 new restaurants in the D.C. area

2015 Fall Dining Guide

Tom Sietsema's 2015 Fall Dining Guide, by the numbers

2015 Spring Dining Guide