| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.37 | -0.15 |
| Feb | 2.65 | 2.81 | -0.16 |
| Mar | 3.66 | 3.90 | -0.24 |
| Apr | 4.49 | 4.65 | -0.16 |
| May | 4.75 | 4.93 | -0.18 |
| Jun | 4.58 | 4.67 | -0.09 |
| Jul | 3.99 | 4.03 | -0.04 |
| Aug | 3.34 | 3.21 | 0.13 |
| Sep | 3.10 | 3.19 | -0.09 |
| Oct | 3.19 | 3.16 | 0.03 |
| Nov | 3.09 | 3.20 | -0.11 |
| Dec | 3.32 | 3.57 | -0.25 |
43.38 | 44.69 | -1.31 |