| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.13 | 4.14 | -0.01 |
| Feb | 4.29 | 4.22 | 0.07 |
| Mar | 4.74 | 4.35 | 0.39 |
| Apr | 4.34 | 4.37 | -0.03 |
| May | 3.83 | 3.57 | 0.26 |
| Jun | 4.60 | 3.98 | 0.62 |
| Jul | 4.59 | 4.51 | 0.08 |
| Aug | 3.34 | 3.18 | 0.16 |
| Sep | 3.30 | 3.18 | 0.12 |
| Oct | 2.90 | 2.57 | 0.33 |
| Nov | 3.42 | 3.21 | 0.21 |
| Dec | 4.66 | 4.59 | 0.07 |
48.14 | 45.87 | 2.27 |