| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.04 | 0.38 |
| Feb | 2.93 | 2.72 | 0.21 |
| Mar | 3.82 | 3.49 | 0.33 |
| Apr | 3.80 | 3.55 | 0.25 |
| May | 3.72 | 3.52 | 0.20 |
| Jun | 3.91 | 3.74 | 0.17 |
| Jul | 4.78 | 4.22 | 0.56 |
| Aug | 3.97 | 3.33 | 0.64 |
| Sep | 3.62 | 3.13 | 0.49 |
| Oct | 2.97 | 2.41 | 0.56 |
| Nov | 3.15 | 2.70 | 0.45 |
| Dec | 3.57 | 3.15 | 0.42 |
43.66 | 39.00 | 4.66 |