| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.69 | -0.21 |
| Feb | 3.22 | 3.21 | 0.01 |
| Mar | 3.53 | 3.73 | -0.20 |
| Apr | 2.90 | 3.00 | -0.10 |
| May | 3.07 | 3.22 | -0.15 |
| Jun | 4.08 | 4.25 | -0.17 |
| Jul | 4.15 | 4.49 | -0.34 |
| Aug | 4.70 | 4.76 | -0.06 |
| Sep | 3.85 | 3.98 | -0.13 |
| Oct | 3.24 | 3.33 | -0.09 |
| Nov | 2.88 | 2.94 | -0.06 |
| Dec | 3.54 | 3.79 | -0.25 |
42.64 | 44.39 | -1.75 |