| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.55 | -0.03 |
| Feb | 2.88 | 2.89 | -0.01 |
| Mar | 4.03 | 3.99 | 0.04 |
| Apr | 3.67 | 3.69 | -0.02 |
| May | 3.81 | 3.95 | -0.14 |
| Jun | 4.54 | 4.29 | 0.25 |
| Jul | 5.27 | 5.33 | -0.06 |
| Aug | 4.98 | 5.20 | -0.22 |
| Sep | 4.89 | 5.02 | -0.13 |
| Oct | 4.00 | 4.29 | -0.29 |
| Nov | 3.08 | 3.09 | -0.01 |
| Dec | 3.61 | 3.66 | -0.05 |
48.28 | 48.95 | -0.67 |