| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.39 | 2.44 | -0.05 |
| Feb | 1.92 | 2.06 | -0.14 |
| Mar | 2.18 | 2.24 | -0.06 |
| Apr | 3.58 | 3.58 | 0.00 |
| May | 4.05 | 4.25 | -0.20 |
| Jun | 4.00 | 3.98 | 0.02 |
| Jul | 3.81 | 3.66 | 0.15 |
| Aug | 3.75 | 3.84 | -0.09 |
| Sep | 3.14 | 2.99 | 0.15 |
| Oct | 3.20 | 3.07 | 0.13 |
| Nov | 2.75 | 2.88 | -0.13 |
| Dec | 2.39 | 2.27 | 0.12 |
37.16 | 37.26 | -0.10 |