| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.46 | -0.26 |
| Feb | 2.70 | 2.85 | -0.15 |
| Mar | 3.82 | 3.96 | -0.14 |
| Apr | 3.73 | 3.83 | -0.10 |
| May | 3.84 | 4.05 | -0.21 |
| Jun | 4.24 | 4.17 | 0.07 |
| Jul | 4.92 | 4.93 | -0.01 |
| Aug | 4.29 | 4.53 | -0.24 |
| Sep | 4.70 | 4.73 | -0.03 |
| Oct | 4.07 | 4.35 | -0.28 |
| Nov | 3.18 | 3.30 | -0.12 |
| Dec | 3.98 | 4.16 | -0.18 |
46.67 | 48.32 | -1.65 |