| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.22 | 0.15 |
| Feb | 2.75 | 2.77 | -0.02 |
| Mar | 3.98 | 4.06 | -0.08 |
| Apr | 3.39 | 3.32 | 0.07 |
| May | 4.07 | 4.05 | 0.02 |
| Jun | 4.37 | 4.40 | -0.03 |
| Jul | 4.59 | 4.53 | 0.06 |
| Aug | 4.64 | 4.80 | -0.16 |
| Sep | 4.68 | 4.58 | 0.10 |
| Oct | 3.62 | 3.57 | 0.05 |
| Nov | 3.16 | 3.22 | -0.06 |
| Dec | 3.60 | 3.60 | 0.00 |
46.22 | 46.12 | 0.10 |