| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.76 | -0.20 |
| Feb | 3.50 | 3.60 | -0.10 |
| Mar | 3.65 | 3.74 | -0.09 |
| Apr | 3.10 | 3.20 | -0.10 |
| May | 3.47 | 3.62 | -0.15 |
| Jun | 5.04 | 5.08 | -0.04 |
| Jul | 5.29 | 5.39 | -0.10 |
| Aug | 5.06 | 5.22 | -0.16 |
| Sep | 4.34 | 4.52 | -0.18 |
| Oct | 3.31 | 3.49 | -0.18 |
| Nov | 2.79 | 2.85 | -0.06 |
| Dec | 3.64 | 3.69 | -0.05 |
46.75 | 48.16 | -1.41 |