| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.04 | 3.87 | 0.17 |
| Feb | 3.70 | 3.74 | -0.04 |
| Mar | 4.10 | 4.24 | -0.14 |
| Apr | 2.99 | 3.21 | -0.22 |
| May | 3.29 | 3.12 | 0.17 |
| Jun | 4.74 | 4.77 | -0.03 |
| Jul | 4.75 | 4.48 | 0.27 |
| Aug | 4.71 | 4.91 | -0.20 |
| Sep | 3.80 | 3.68 | 0.12 |
| Oct | 2.66 | 2.68 | -0.02 |
| Nov | 2.84 | 3.00 | -0.16 |
| Dec | 4.05 | 3.94 | 0.11 |
45.67 | 45.64 | 0.03 |