| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.87 | 3.93 | -0.06 |
| Feb | 4.57 | 4.50 | 0.07 |
| Mar | 5.18 | 5.19 | -0.01 |
| Apr | 5.14 | 5.10 | 0.04 |
| May | 5.26 | 5.33 | -0.07 |
| Jun | 4.36 | 4.28 | 0.08 |
| Jul | 4.08 | 4.04 | 0.04 |
| Aug | 3.50 | 3.27 | 0.23 |
| Sep | 3.50 | 3.43 | 0.07 |
| Oct | 3.84 | 3.87 | -0.03 |
| Nov | 4.34 | 4.47 | -0.13 |
| Dec | 5.10 | 5.19 | -0.09 |
52.74 | 52.60 | 0.14 |