| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.56 | 4.48 | 0.08 |
| Feb | 4.45 | 4.45 | 0.00 |
| Mar | 4.66 | 4.63 | 0.03 |
| Apr | 3.62 | 3.63 | -0.01 |
| May | 3.55 | 3.37 | 0.18 |
| Jun | 4.73 | 4.78 | -0.05 |
| Jul | 4.06 | 4.27 | -0.21 |
| Aug | 4.89 | 4.55 | 0.34 |
| Sep | 3.91 | 3.90 | 0.01 |
| Oct | 3.26 | 3.33 | -0.07 |
| Nov | 3.73 | 3.75 | -0.02 |
| Dec | 4.65 | 4.74 | -0.09 |
50.07 | 49.88 | 0.19 |