| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.47 | -0.08 |
| Feb | 3.12 | 3.18 | -0.06 |
| Mar | 4.47 | 4.64 | -0.17 |
| Apr | 3.41 | 3.62 | -0.21 |
| May | 3.23 | 3.39 | -0.16 |
| Jun | 3.67 | 3.72 | -0.05 |
| Jul | 4.34 | 4.25 | 0.09 |
| Aug | 4.58 | 4.53 | 0.05 |
| Sep | 3.73 | 3.81 | -0.08 |
| Oct | 4.10 | 4.32 | -0.22 |
| Nov | 3.35 | 3.45 | -0.10 |
| Dec | 4.35 | 4.50 | -0.15 |
45.74 | 46.88 | -1.14 |