| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.47 | -0.04 |
| Feb | 3.48 | 3.54 | -0.06 |
| Mar | 4.68 | 4.71 | -0.03 |
| Apr | 5.45 | 5.36 | 0.09 |
| May | 5.34 | 5.27 | 0.07 |
| Jun | 3.59 | 3.46 | 0.13 |
| Jul | 3.84 | 3.80 | 0.04 |
| Aug | 3.80 | 3.81 | -0.01 |
| Sep | 3.59 | 3.85 | -0.26 |
| Oct | 3.81 | 3.91 | -0.10 |
| Nov | 4.66 | 4.57 | 0.09 |
| Dec | 4.09 | 4.15 | -0.06 |
49.76 | 49.90 | -0.14 |