| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.82 | -0.37 |
| Feb | 3.04 | 3.46 | -0.42 |
| Mar | 4.11 | 4.58 | -0.47 |
| Apr | 4.24 | 4.57 | -0.33 |
| May | 3.56 | 3.80 | -0.24 |
| Jun | 4.11 | 4.16 | -0.05 |
| Jul | 3.66 | 3.60 | 0.06 |
| Aug | 3.72 | 4.14 | -0.42 |
| Sep | 4.15 | 4.45 | -0.30 |
| Oct | 4.28 | 4.69 | -0.41 |
| Nov | 3.74 | 3.88 | -0.14 |
| Dec | 4.22 | 4.72 | -0.50 |
46.28 | 49.87 | -3.59 |