| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.09 | 3.43 | 0.66 |
| Feb | 4.54 | 3.94 | 0.60 |
| Mar | 3.70 | 2.66 | 1.04 |
| Apr | 1.49 | 1.16 | 0.33 |
| May | 0.64 | 0.63 | 0.01 |
| Jun | 0.15 | 0.15 | 0.00 |
| Jul | 0.24 | 0.18 | 0.06 |
| Aug | 0.15 | 0.12 | 0.03 |
| Sep | 0.34 | 0.22 | 0.12 |
| Oct | 0.74 | 0.67 | 0.07 |
| Nov | 1.39 | 1.09 | 0.30 |
| Dec | 3.28 | 2.49 | 0.79 |
20.75 | 16.74 | 4.01 |