| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.43 | -0.08 |
| Feb | 2.66 | 2.72 | -0.06 |
| Mar | 3.64 | 3.62 | 0.02 |
| Apr | 4.77 | 4.98 | -0.21 |
| May | 4.99 | 5.12 | -0.13 |
| Jun | 4.95 | 5.25 | -0.30 |
| Jul | 4.44 | 4.47 | -0.03 |
| Aug | 3.34 | 3.29 | 0.05 |
| Sep | 3.38 | 3.58 | -0.20 |
| Oct | 3.57 | 3.57 | 0.00 |
| Nov | 3.74 | 3.79 | -0.05 |
| Dec | 3.33 | 3.40 | -0.07 |
46.16 | 47.22 | -1.06 |