| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.58 | -0.22 |
| Feb | 3.18 | 3.33 | -0.15 |
| Mar | 4.07 | 4.36 | -0.29 |
| Apr | 4.03 | 4.13 | -0.10 |
| May | 3.57 | 3.55 | 0.02 |
| Jun | 4.07 | 4.12 | -0.05 |
| Jul | 3.53 | 3.70 | -0.17 |
| Aug | 3.68 | 3.81 | -0.13 |
| Sep | 3.86 | 3.76 | 0.10 |
| Oct | 4.68 | 4.77 | -0.09 |
| Nov | 3.80 | 3.78 | 0.02 |
| Dec | 4.35 | 4.62 | -0.27 |
46.18 | 47.51 | -1.33 |