| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.79 | 4.15 | 0.64 |
| Feb | 3.04 | 2.61 | 0.43 |
| Mar | 2.81 | 2.56 | 0.25 |
| Apr | 2.19 | 1.85 | 0.34 |
| May | 1.53 | 1.47 | 0.06 |
| Jun | 1.19 | 1.17 | 0.02 |
| Jul | 0.77 | 0.63 | 0.14 |
| Aug | 1.04 | 0.79 | 0.25 |
| Sep | 1.77 | 1.40 | 0.37 |
| Oct | 3.76 | 3.14 | 0.62 |
| Nov | 5.45 | 4.46 | 0.99 |
| Dec | 4.74 | 4.04 | 0.70 |
33.08 | 28.27 | 4.81 |