| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.64 | -0.20 |
| Feb | 3.11 | 3.22 | -0.11 |
| Mar | 4.04 | 4.07 | -0.03 |
| Apr | 4.23 | 4.16 | 0.07 |
| May | 3.79 | 3.99 | -0.20 |
| Jun | 4.69 | 4.58 | 0.11 |
| Jul | 4.32 | 4.27 | 0.05 |
| Aug | 4.36 | 4.21 | 0.15 |
| Sep | 4.63 | 4.57 | 0.06 |
| Oct | 4.99 | 4.98 | 0.01 |
| Nov | 3.77 | 3.76 | 0.01 |
| Dec | 4.45 | 4.58 | -0.13 |
49.82 | 50.03 | -0.21 |