| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.67 | -0.07 |
| Feb | 3.05 | 2.97 | 0.08 |
| Mar | 4.19 | 4.20 | -0.01 |
| Apr | 3.67 | 3.66 | 0.01 |
| May | 3.64 | 3.63 | 0.01 |
| Jun | 4.25 | 4.18 | 0.07 |
| Jul | 4.63 | 4.53 | 0.10 |
| Aug | 4.38 | 4.32 | 0.06 |
| Sep | 5.00 | 5.05 | -0.05 |
| Oct | 3.43 | 3.44 | -0.01 |
| Nov | 3.33 | 3.33 | 0.00 |
| Dec | 3.57 | 3.55 | 0.02 |
46.74 | 46.53 | 0.21 |