| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.60 | -0.20 |
| Feb | 3.41 | 3.50 | -0.09 |
| Mar | 4.46 | 4.54 | -0.08 |
| Apr | 4.69 | 4.70 | -0.01 |
| May | 5.29 | 5.13 | 0.16 |
| Jun | 4.81 | 4.78 | 0.03 |
| Jul | 5.00 | 5.07 | -0.07 |
| Aug | 3.48 | 3.41 | 0.07 |
| Sep | 3.42 | 3.69 | -0.27 |
| Oct | 3.72 | 3.59 | 0.13 |
| Nov | 3.26 | 3.40 | -0.14 |
| Dec | 4.03 | 4.15 | -0.12 |
48.97 | 49.56 | -0.59 |