| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.51 | -0.24 |
| Feb | 3.08 | 3.22 | -0.14 |
| Mar | 3.91 | 3.97 | -0.06 |
| Apr | 4.15 | 4.29 | -0.14 |
| May | 3.71 | 3.94 | -0.23 |
| Jun | 4.52 | 4.86 | -0.34 |
| Jul | 4.16 | 4.21 | -0.05 |
| Aug | 4.22 | 4.32 | -0.10 |
| Sep | 4.55 | 4.74 | -0.19 |
| Oct | 4.92 | 5.21 | -0.29 |
| Nov | 3.73 | 3.81 | -0.08 |
| Dec | 4.32 | 4.65 | -0.33 |
48.54 | 50.73 | -2.19 |