| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.55 | -0.19 |
| Feb | 2.70 | 2.85 | -0.15 |
| Mar | 3.94 | 3.97 | -0.03 |
| Apr | 3.93 | 4.14 | -0.21 |
| May | 4.38 | 4.53 | -0.15 |
| Jun | 4.34 | 4.30 | 0.04 |
| Jul | 4.07 | 4.02 | 0.05 |
| Aug | 3.61 | 3.79 | -0.18 |
| Sep | 4.88 | 5.02 | -0.14 |
| Oct | 3.92 | 4.10 | -0.18 |
| Nov | 3.29 | 3.35 | -0.06 |
| Dec | 3.60 | 3.74 | -0.14 |
46.02 | 47.36 | -1.34 |