| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.97 | 4.19 | -0.22 |
| Feb | 3.58 | 3.64 | -0.06 |
| Mar | 5.04 | 5.07 | -0.03 |
| Apr | 4.26 | 4.33 | -0.07 |
| May | 3.46 | 3.47 | -0.01 |
| Jun | 3.49 | 3.54 | -0.05 |
| Jul | 2.80 | 2.86 | -0.06 |
| Aug | 3.50 | 3.59 | -0.09 |
| Sep | 4.13 | 4.08 | 0.05 |
| Oct | 4.91 | 4.64 | 0.27 |
| Nov | 4.29 | 4.19 | 0.10 |
| Dec | 4.83 | 5.09 | -0.26 |
48.26 | 48.69 | -0.43 |