| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.02 | 4.22 | -0.20 |
| Feb | 3.60 | 3.67 | -0.07 |
| Mar | 5.05 | 5.09 | -0.04 |
| Apr | 4.30 | 4.36 | -0.06 |
| May | 3.48 | 3.50 | -0.02 |
| Jun | 3.53 | 3.59 | -0.06 |
| Jul | 2.85 | 2.87 | -0.02 |
| Aug | 3.55 | 3.64 | -0.09 |
| Sep | 4.14 | 4.13 | 0.01 |
| Oct | 4.93 | 4.68 | 0.25 |
| Nov | 4.35 | 4.21 | 0.14 |
| Dec | 4.86 | 5.13 | -0.27 |
48.66 | 49.09 | -0.43 |