| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.56 | -0.15 |
| Feb | 3.28 | 3.50 | -0.22 |
| Mar | 4.32 | 4.66 | -0.34 |
| Apr | 4.05 | 4.19 | -0.14 |
| May | 3.71 | 3.72 | -0.01 |
| Jun | 4.11 | 4.21 | -0.10 |
| Jul | 3.57 | 3.50 | 0.07 |
| Aug | 3.40 | 3.41 | -0.01 |
| Sep | 3.74 | 3.80 | -0.06 |
| Oct | 4.69 | 4.92 | -0.23 |
| Nov | 3.81 | 3.79 | 0.02 |
| Dec | 4.44 | 4.65 | -0.21 |
46.53 | 47.91 | -1.38 |