| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.46 | 0.02 |
| Feb | 2.95 | 2.91 | 0.04 |
| Mar | 4.05 | 4.14 | -0.09 |
| Apr | 3.41 | 3.44 | -0.03 |
| May | 3.65 | 3.79 | -0.14 |
| Jun | 3.95 | 4.11 | -0.16 |
| Jul | 4.28 | 4.26 | 0.02 |
| Aug | 5.00 | 4.65 | 0.35 |
| Sep | 4.15 | 4.44 | -0.29 |
| Oct | 3.90 | 4.15 | -0.25 |
| Nov | 3.22 | 3.27 | -0.05 |
| Dec | 3.69 | 3.83 | -0.14 |
45.73 | 46.45 | -0.72 |