| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.62 | 4.58 | 0.04 |
| Feb | 4.74 | 4.62 | 0.12 |
| Mar | 4.92 | 4.84 | 0.08 |
| Apr | 3.87 | 3.95 | -0.08 |
| May | 3.22 | 3.28 | -0.06 |
| Jun | 4.51 | 4.40 | 0.11 |
| Jul | 4.59 | 4.64 | -0.05 |
| Aug | 4.43 | 4.36 | 0.07 |
| Sep | 3.85 | 3.84 | 0.01 |
| Oct | 3.37 | 3.37 | 0.00 |
| Nov | 3.83 | 3.84 | -0.01 |
| Dec | 4.69 | 4.67 | 0.02 |
50.64 | 50.39 | 0.25 |