Données de Avril 1997
| Jour | Gne | Gnw | Gse | Gsw | Gtot | Wnord | W sud | Wtotal | W K | Sidc | Nb Obs | Observateurs |
| 1 | 0.18 | 0.00 | 1.00 | 0.00 | 1.18 | 2 | 18 | 20 | 22 | 17 | 18 | BERNARD Claude 79100 |
| 2 | 0.13 | 0.00 | 1.31 | 0.19 | 1.63 | 1 | 28 | 29 | 30 | 31 | 17 | BIDAUT Jean-Pierre 94800 |
| 3 | 0.33 | 0.00 | 0.78 | 0.78 | 1.89 | 3 | 31 | 35 | 36 | 37 | 10 | BIFFE Arnaud 45560 |
| 4 | 0.17 | 0.08 | 0.92 | 0.92 | 2.09 | 4 | 27 | 31 | 31 | 27 | 13 | BONNEVILLE Didier 94400 |
| 5 | 0.25 | 0.17 | 0.67 | 0.92 | 2.01 | 6 | 22 | 28 | 30 | 25 | 13 | CAZENEUVE Jacques 69800 |
| 6 | 0.13 | 0.06 | 0.81 | 0.44 | 1.44 | 2 | 18 | 21 | 21 | 20 | 17 | COURDURIE Claude 59700 |
| 7 | 0.06 | 0.06 | 0.83 | 0.11 | 1.06 | 1 | 13 | 14 | 15 | 11 | 19 | DAUTEAU Andr‚ 45000 |
| 8 | 0.07 | 0.07 | 0.67 | 0.20 | 1.01 | 1 | 12 | 13 | 14 | 10 | 16 | DUVAL Pierre 26150 |
| 9 | 0.13 | 0.75 | 0.19 | 0.75 | 1.82 | 14 | 13 | 27 | 28 | 21 | 17 | GARROS Dominique 28310 |
| 10 | 0.00 | 1.00 | 0.12 | 0.41 | 1.53 | 17 | 7 | 24 | 25 | 24 | 18 | GAUTHIER Daniel 69400 |
| 11 | 0.00 | 1.00 | 0.13 | 0.31 | 1.44 | 16 | 6 | 22 | 23 | 23 | 17 | GOUYAUD François 38550 |
| 12 | 0.00 | 0.93 | 0.13 | 0.13 | 1.19 | 12 | 3 | 15 | 16 | 12 | 15 | GUILLERY Philippe 54160 |
| 13 | 0.00 | 0.35 | 0.00 | 1.00 | 1.35 | 4 | 15 | 19 | 20 | 22 | 17 | LG |
| 14 | 0.00 | 0.13 | 0.27 | 1.07 | 1.47 | 1 | 21 | 23 | 24 | 24 | 16 | MATHELIN Jean Christophe 67260 |
| 15 | 0.13 | 0.20 | 1.00 | 0.93 | 2.26 | 3 | 32 | 36 | 38 | 28 | 16 | MORCHOINE Robert 45800 |
| 16 | 0.00 | 0.18 | 0.41 | 1.35 | 1.94 | 2 | 27 | 28 | 30 | 26 | 18 | PHILIPPE André 68310 |
| 17 | 0.08 | 0.00 | 0.00 | 1.08 | 1.16 | 1 | 15 | 16 | 16 | 13 | 13 | PM |
| 18 | 0.08 | 0.00 | 0.00 | 0.75 | 0.83 | 1 | 9 | 10 | 10 | 9 | 13 | PMT |
| 19 | 0.08 | 0.00 | 0.00 | 0.00 | 0.08 | 1 | 0 | 1 | 1 | 11 | 13 | RASSON André |
| 20 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 | 0 | 0 | 0 | 0 | 15 | RJP |
| 21 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 | 0 | 0 | 0 | 0 | 17 | RP |
| 22 | 0.08 | 0.00 | 0.00 | 0.00 | 0.08 | 1 | 0 | 1 | 1 | 8 | 13 | VB 05380 |
| 23 | 0.67 | 0.00 | 0.00 | 0.00 | 0.67 | 8 | 0 | 8 | 8 | 9 | 16 | |
| 24 | 0.50 | 0.00 | 0.00 | 0.00 | 0.50 | 6 | 0 | 6 | 6 | 9 | 15 | |
| 25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 | 0 | 0 | 0 | 8 | 8 | |
| 26 | 0.67 | 0.00 | 0.00 | 0.67 | 1.34 | 11 | 11 | 21 | 21 | 17 | 3 | |
| 27 | 0.38 | 0.00 | 0.00 | 0.75 | 1.13 | 5 | 11 | 16 | 17 | 11 | 8 | |
| 28 | 0.17 | 0.00 | 0.00 | 0.83 | 1.00 | 3 | 11 | 14 | 14 | 12 | 6 | |
| 29 | 0.17 | 0.00 | 0.00 | 0.33 | 0.50 | 2 | 4 | 6 | 6 | 8 | 6 | |
| 30 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0 | 0 | 0 | 0 | 0 | 15 | |
| 4.3 | 11.7 | 16.1 | 16.8 | 15.8 | 418 |
Chiffres S.I.D.C. définitifs
Nombre de jours observation : 30
Nombre observateurs : 22
Autres informations :
Moyenne Annuelle Mobile du 01-05-1996 au 30-04-1997 : W Sidc = 9.3 W Sidc = 17.7
W Gfoes sans K = 8.9
W Gfoes avec K = 8.6
N.Observations = 3125
J.Observes = 350
W Gfoes sans K = 18.3
W Gfoes avec K = 19.2
N.Observations = 409
J.Observes = 27