| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 3.85 | 0.15 |
| Feb | 4.49 | 4.38 | 0.11 |
| Mar | 4.56 | 4.78 | -0.22 |
| Apr | 4.77 | 4.91 | -0.14 |
| May | 5.22 | 5.41 | -0.19 |
| Jun | 4.26 | 4.22 | 0.04 |
| Jul | 4.14 | 4.54 | -0.40 |
| Aug | 3.60 | 3.46 | 0.14 |
| Sep | 3.53 | 3.70 | -0.17 |
| Oct | 3.82 | 3.78 | 0.04 |
| Nov | 3.75 | 3.76 | -0.01 |
| Dec | 4.80 | 4.76 | 0.04 |
50.94 | 51.55 | -0.61 |