| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.18 | 4.16 | 0.02 |
| Feb | 3.79 | 3.86 | -0.07 |
| Mar | 4.47 | 4.58 | -0.11 |
| Apr | 3.97 | 4.05 | -0.08 |
| May | 3.91 | 3.97 | -0.06 |
| Jun | 4.25 | 4.00 | 0.25 |
| Jul | 4.14 | 4.41 | -0.27 |
| Aug | 4.46 | 4.81 | -0.35 |
| Sep | 3.88 | 3.77 | 0.11 |
| Oct | 3.44 | 3.64 | -0.20 |
| Nov | 3.69 | 3.92 | -0.23 |
| Dec | 4.48 | 4.88 | -0.40 |
48.66 | 50.05 | -1.39 |