| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.34 | 0.06 |
| Feb | 3.33 | 3.39 | -0.06 |
| Mar | 4.06 | 4.02 | 0.04 |
| Apr | 4.42 | 4.38 | 0.04 |
| May | 3.77 | 3.59 | 0.18 |
| Jun | 4.47 | 4.56 | -0.09 |
| Jul | 3.75 | 3.86 | -0.11 |
| Aug | 3.63 | 3.59 | 0.04 |
| Sep | 3.92 | 3.84 | 0.08 |
| Oct | 5.29 | 5.43 | -0.14 |
| Nov | 4.44 | 4.29 | 0.15 |
| Dec | 4.51 | 4.55 | -0.04 |
48.99 | 48.84 | 0.15 |