| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.51 | -0.15 |
| Feb | 3.40 | 3.65 | -0.25 |
| Mar | 3.61 | 3.70 | -0.09 |
| Apr | 3.30 | 3.24 | 0.06 |
| May | 3.53 | 3.69 | -0.16 |
| Jun | 5.38 | 5.67 | -0.29 |
| Jul | 5.31 | 5.66 | -0.35 |
| Aug | 5.60 | 5.67 | -0.07 |
| Sep | 4.66 | 4.72 | -0.06 |
| Oct | 4.06 | 3.84 | 0.22 |
| Nov | 2.84 | 2.75 | 0.09 |
| Dec | 3.59 | 3.65 | -0.06 |
48.64 | 49.75 | -1.11 |