| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.77 | 3.86 | -0.09 |
| Feb | 3.34 | 3.32 | 0.02 |
| Mar | 4.13 | 4.28 | -0.15 |
| Apr | 3.96 | 4.09 | -0.13 |
| May | 3.75 | 3.93 | -0.18 |
| Jun | 4.34 | 4.47 | -0.13 |
| Jul | 3.95 | 4.16 | -0.21 |
| Aug | 4.25 | 4.51 | -0.26 |
| Sep | 4.21 | 4.11 | 0.10 |
| Oct | 3.36 | 3.49 | -0.13 |
| Nov | 3.41 | 3.50 | -0.09 |
| Dec | 3.79 | 4.02 | -0.23 |
46.26 | 47.74 | -1.48 |