| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.53 | -0.21 |
| Feb | 2.78 | 2.79 | -0.01 |
| Mar | 3.74 | 3.73 | 0.01 |
| Apr | 3.89 | 3.92 | -0.03 |
| May | 3.88 | 4.03 | -0.15 |
| Jun | 4.95 | 5.00 | -0.05 |
| Jul | 4.48 | 4.55 | -0.07 |
| Aug | 4.49 | 4.59 | -0.10 |
| Sep | 4.68 | 4.73 | -0.05 |
| Oct | 4.67 | 4.78 | -0.11 |
| Nov | 3.33 | 3.36 | -0.03 |
| Dec | 3.93 | 4.11 | -0.18 |
48.14 | 49.12 | -0.98 |