| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.44 | -0.02 |
| Feb | 2.84 | 2.77 | 0.07 |
| Mar | 3.35 | 3.34 | 0.01 |
| Apr | 3.64 | 3.58 | 0.06 |
| May | 4.57 | 4.76 | -0.19 |
| Jun | 4.42 | 4.48 | -0.06 |
| Jul | 2.68 | 2.74 | -0.06 |
| Aug | 3.58 | 3.63 | -0.05 |
| Sep | 4.21 | 3.97 | 0.24 |
| Oct | 4.70 | 4.50 | 0.20 |
| Nov | 4.06 | 4.01 | 0.05 |
| Dec | 3.37 | 3.50 | -0.13 |
44.84 | 44.72 | 0.12 |