| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 3.91 | 0.07 |
| Feb | 3.02 | 3.09 | -0.07 |
| Mar | 3.54 | 3.51 | 0.03 |
| Apr | 3.91 | 3.75 | 0.16 |
| May | 5.06 | 5.18 | -0.12 |
| Jun | 4.90 | 4.92 | -0.02 |
| Jul | 3.87 | 3.72 | 0.15 |
| Aug | 4.43 | 4.54 | -0.11 |
| Sep | 4.33 | 4.53 | -0.20 |
| Oct | 4.90 | 4.91 | -0.01 |
| Nov | 4.16 | 4.33 | -0.17 |
| Dec | 3.96 | 3.94 | 0.02 |
50.06 | 50.33 | -0.27 |