| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.51 | 2.68 | -0.17 |
| Feb | 2.34 | 2.46 | -0.12 |
| Mar | 4.03 | 3.99 | 0.04 |
| Apr | 4.86 | 4.91 | -0.05 |
| May | 5.70 | 5.99 | -0.29 |
| Jun | 4.53 | 4.44 | 0.09 |
| Jul | 3.79 | 3.91 | -0.12 |
| Aug | 3.57 | 3.32 | 0.25 |
| Sep | 4.18 | 4.15 | 0.03 |
| Oct | 4.13 | 4.07 | 0.06 |
| Nov | 3.92 | 3.99 | -0.07 |
| Dec | 3.03 | 3.18 | -0.15 |
46.59 | 47.09 | -0.50 |