| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.04 | 4.06 | -0.02 |
| Feb | 3.63 | 3.72 | -0.09 |
| Mar | 4.36 | 4.41 | -0.05 |
| Apr | 3.45 | 3.40 | 0.05 |
| May | 3.37 | 3.35 | 0.02 |
| Jun | 4.08 | 3.88 | 0.20 |
| Jul | 3.74 | 3.77 | -0.03 |
| Aug | 4.19 | 3.97 | 0.22 |
| Sep | 3.63 | 3.58 | 0.05 |
| Oct | 3.33 | 3.32 | 0.01 |
| Nov | 3.50 | 3.53 | -0.03 |
| Dec | 4.16 | 4.30 | -0.14 |
45.48 | 45.29 | 0.19 |