| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.20 | -0.22 |
| Feb | 3.52 | 3.66 | -0.14 |
| Mar | 5.07 | 5.31 | -0.24 |
| Apr | 4.43 | 4.58 | -0.15 |
| May | 3.48 | 3.53 | -0.05 |
| Jun | 3.82 | 4.00 | -0.18 |
| Jul | 3.24 | 3.33 | -0.09 |
| Aug | 3.63 | 3.74 | -0.11 |
| Sep | 4.07 | 3.90 | 0.17 |
| Oct | 4.54 | 4.83 | -0.29 |
| Nov | 4.26 | 4.35 | -0.09 |
| Dec | 4.76 | 5.06 | -0.30 |
48.80 | 50.49 | -1.69 |