| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.50 | 0.00 |
| Feb | 3.48 | 3.60 | -0.12 |
| Mar | 4.27 | 4.40 | -0.13 |
| Apr | 4.45 | 4.54 | -0.09 |
| May | 3.79 | 3.63 | 0.16 |
| Jun | 4.20 | 4.21 | -0.01 |
| Jul | 3.51 | 3.60 | -0.09 |
| Aug | 3.48 | 3.52 | -0.04 |
| Sep | 3.84 | 3.73 | 0.11 |
| Oct | 5.06 | 5.38 | -0.32 |
| Nov | 4.39 | 4.28 | 0.11 |
| Dec | 4.63 | 4.77 | -0.14 |
48.60 | 49.16 | -0.56 |