| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.65 | 0.05 |
| Feb | 3.66 | 3.62 | 0.04 |
| Mar | 4.06 | 4.02 | 0.04 |
| Apr | 4.14 | 4.00 | 0.14 |
| May | 4.63 | 4.36 | 0.27 |
| Jun | 4.25 | 4.30 | -0.05 |
| Jul | 4.99 | 5.40 | -0.41 |
| Aug | 4.21 | 4.26 | -0.05 |
| Sep | 3.20 | 3.13 | 0.07 |
| Oct | 2.98 | 2.61 | 0.37 |
| Nov | 3.18 | 2.96 | 0.22 |
| Dec | 3.87 | 3.90 | -0.03 |
46.87 | 46.21 | 0.66 |