| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.73 | 3.86 | -0.13 |
| Feb | 3.47 | 3.57 | -0.10 |
| Mar | 3.81 | 4.10 | -0.29 |
| Apr | 2.97 | 3.06 | -0.09 |
| May | 3.33 | 3.41 | -0.08 |
| Jun | 4.99 | 4.94 | 0.05 |
| Jul | 4.75 | 4.88 | -0.13 |
| Aug | 4.70 | 4.88 | -0.18 |
| Sep | 4.03 | 4.07 | -0.04 |
| Oct | 3.19 | 3.40 | -0.21 |
| Nov | 2.88 | 3.10 | -0.22 |
| Dec | 3.78 | 3.91 | -0.13 |
45.63 | 47.18 | -1.55 |