| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.59 | -0.12 |
| Feb | 2.69 | 2.83 | -0.14 |
| Mar | 4.03 | 4.22 | -0.19 |
| Apr | 3.75 | 3.74 | 0.01 |
| May | 4.09 | 4.15 | -0.06 |
| Jun | 4.46 | 4.56 | -0.10 |
| Jul | 5.07 | 5.01 | 0.06 |
| Aug | 4.39 | 4.50 | -0.11 |
| Sep | 4.36 | 4.26 | 0.10 |
| Oct | 4.12 | 4.22 | -0.10 |
| Nov | 3.35 | 3.45 | -0.10 |
| Dec | 4.23 | 4.43 | -0.20 |
48.01 | 48.96 | -0.95 |