| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.57 | 0.07 |
| Feb | 3.08 | 2.93 | 0.15 |
| Mar | 3.98 | 3.94 | 0.04 |
| Apr | 3.53 | 3.56 | -0.03 |
| May | 3.69 | 3.61 | 0.08 |
| Jun | 4.63 | 4.53 | 0.10 |
| Jul | 5.05 | 5.10 | -0.05 |
| Aug | 4.94 | 4.87 | 0.07 |
| Sep | 5.22 | 5.30 | -0.08 |
| Oct | 3.48 | 3.51 | -0.03 |
| Nov | 3.43 | 3.36 | 0.07 |
| Dec | 3.52 | 3.47 | 0.05 |
48.19 | 47.75 | 0.44 |