| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.69 | -0.18 |
| Feb | 2.93 | 3.00 | -0.07 |
| Mar | 4.18 | 4.22 | -0.04 |
| Apr | 3.68 | 3.72 | -0.04 |
| May | 3.70 | 3.81 | -0.11 |
| Jun | 4.33 | 4.25 | 0.08 |
| Jul | 4.60 | 4.57 | 0.03 |
| Aug | 4.44 | 4.33 | 0.11 |
| Sep | 4.80 | 5.07 | -0.27 |
| Oct | 3.50 | 3.47 | 0.03 |
| Nov | 3.28 | 3.34 | -0.06 |
| Dec | 3.53 | 3.58 | -0.05 |
46.48 | 47.05 | -0.57 |