| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.73 | -0.13 |
| Feb | 3.61 | 3.74 | -0.13 |
| Mar | 4.56 | 4.72 | -0.16 |
| Apr | 4.47 | 4.63 | -0.16 |
| May | 4.87 | 5.15 | -0.28 |
| Jun | 4.62 | 4.87 | -0.25 |
| Jul | 4.74 | 4.98 | -0.24 |
| Aug | 3.55 | 3.32 | 0.23 |
| Sep | 3.81 | 3.59 | 0.22 |
| Oct | 3.33 | 3.14 | 0.19 |
| Nov | 3.10 | 3.07 | 0.03 |
| Dec | 4.05 | 4.16 | -0.11 |
48.31 | 49.10 | -0.79 |