| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.16 | -0.16 |
| Feb | 3.56 | 3.59 | -0.03 |
| Mar | 4.93 | 4.99 | -0.06 |
| Apr | 4.48 | 4.61 | -0.13 |
| May | 3.59 | 3.52 | 0.07 |
| Jun | 4.15 | 4.10 | 0.05 |
| Jul | 3.35 | 3.45 | -0.10 |
| Aug | 3.75 | 3.79 | -0.04 |
| Sep | 3.94 | 4.02 | -0.08 |
| Oct | 4.84 | 4.94 | -0.10 |
| Nov | 4.19 | 4.33 | -0.14 |
| Dec | 4.80 | 5.02 | -0.22 |
49.58 | 50.52 | -0.94 |