| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.99 | 5.09 | -0.10 |
| Feb | 4.66 | 4.79 | -0.13 |
| Mar | 5.15 | 5.36 | -0.21 |
| Apr | 4.26 | 4.42 | -0.16 |
| May | 3.74 | 3.67 | 0.07 |
| Jun | 5.01 | 5.03 | -0.02 |
| Jul | 4.87 | 4.99 | -0.12 |
| Aug | 4.33 | 4.72 | -0.39 |
| Sep | 3.97 | 3.93 | 0.04 |
| Oct | 3.26 | 3.35 | -0.09 |
| Nov | 4.20 | 4.38 | -0.18 |
| Dec | 5.06 | 5.19 | -0.13 |
53.50 | 54.92 | -1.42 |