| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.63 | 0.18 |
| Feb | 3.69 | 3.69 | 0.00 |
| Mar | 4.21 | 3.99 | 0.22 |
| Apr | 4.23 | 4.13 | 0.10 |
| May | 4.39 | 4.09 | 0.30 |
| Jun | 4.41 | 4.33 | 0.08 |
| Jul | 4.82 | 4.83 | -0.01 |
| Aug | 3.60 | 4.04 | -0.44 |
| Sep | 3.07 | 3.01 | 0.06 |
| Oct | 2.86 | 2.50 | 0.36 |
| Nov | 3.09 | 2.94 | 0.15 |
| Dec | 4.10 | 4.02 | 0.08 |
46.28 | 45.20 | 1.08 |