| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.69 | -0.05 |
| Feb | 2.93 | 2.99 | -0.06 |
| Mar | 4.03 | 4.05 | -0.02 |
| Apr | 3.78 | 3.77 | 0.01 |
| May | 3.63 | 3.53 | 0.10 |
| Jun | 4.24 | 4.24 | 0.00 |
| Jul | 4.39 | 4.24 | 0.15 |
| Aug | 4.43 | 4.25 | 0.18 |
| Sep | 4.55 | 4.61 | -0.06 |
| Oct | 3.27 | 3.30 | -0.03 |
| Nov | 3.40 | 3.42 | -0.02 |
| Dec | 3.42 | 3.51 | -0.09 |
45.71 | 45.60 | 0.11 |