| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.70 | -0.13 |
| Feb | 2.99 | 3.09 | -0.10 |
| Mar | 3.82 | 4.02 | -0.20 |
| Apr | 4.08 | 4.10 | -0.02 |
| May | 3.88 | 3.74 | 0.14 |
| Jun | 4.14 | 3.92 | 0.22 |
| Jul | 4.26 | 4.12 | 0.14 |
| Aug | 4.41 | 4.29 | 0.12 |
| Sep | 4.12 | 4.01 | 0.11 |
| Oct | 3.26 | 3.32 | -0.06 |
| Nov | 3.21 | 3.25 | -0.04 |
| Dec | 3.40 | 3.78 | -0.38 |
45.14 | 45.34 | -0.20 |