| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.64 | -0.19 |
| Feb | 2.75 | 2.84 | -0.09 |
| Mar | 4.07 | 4.22 | -0.15 |
| Apr | 3.64 | 3.84 | -0.20 |
| May | 4.02 | 4.01 | 0.01 |
| Jun | 4.34 | 4.56 | -0.22 |
| Jul | 4.97 | 4.83 | 0.14 |
| Aug | 4.34 | 4.50 | -0.16 |
| Sep | 3.98 | 4.13 | -0.15 |
| Oct | 4.11 | 4.11 | 0.00 |
| Nov | 3.21 | 3.37 | -0.16 |
| Dec | 4.28 | 4.36 | -0.08 |
47.16 | 48.41 | -1.25 |