| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.52 | -0.09 |
| Feb | 3.53 | 3.64 | -0.11 |
| Mar | 4.68 | 4.58 | 0.10 |
| Apr | 5.49 | 5.43 | 0.06 |
| May | 5.33 | 5.11 | 0.22 |
| Jun | 3.43 | 3.26 | 0.17 |
| Jul | 3.83 | 4.10 | -0.27 |
| Aug | 3.77 | 3.70 | 0.07 |
| Sep | 3.54 | 3.55 | -0.01 |
| Oct | 3.73 | 3.98 | -0.25 |
| Nov | 4.74 | 4.74 | 0.00 |
| Dec | 4.30 | 4.36 | -0.06 |
49.80 | 49.97 | -0.17 |