| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.35 | 0.03 |
| Feb | 2.89 | 3.07 | -0.18 |
| Mar | 3.81 | 3.77 | 0.04 |
| Apr | 3.86 | 4.02 | -0.16 |
| May | 4.50 | 4.78 | -0.28 |
| Jun | 4.84 | 4.84 | 0.00 |
| Jul | 4.29 | 4.59 | -0.30 |
| Aug | 3.91 | 3.87 | 0.04 |
| Sep | 4.51 | 4.92 | -0.41 |
| Oct | 3.36 | 3.68 | -0.32 |
| Nov | 3.37 | 3.23 | 0.14 |
| Dec | 3.37 | 3.78 | -0.41 |
46.09 | 47.90 | -1.81 |