| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.79 | -0.34 |
| Feb | 3.10 | 3.38 | -0.28 |
| Mar | 4.41 | 4.57 | -0.16 |
| Apr | 3.95 | 4.18 | -0.23 |
| May | 3.38 | 3.47 | -0.09 |
| Jun | 3.90 | 3.99 | -0.09 |
| Jul | 3.24 | 3.20 | 0.04 |
| Aug | 3.77 | 3.98 | -0.21 |
| Sep | 3.75 | 3.75 | 0.00 |
| Oct | 4.11 | 4.43 | -0.32 |
| Nov | 3.45 | 3.59 | -0.14 |
| Dec | 4.48 | 4.77 | -0.29 |
44.99 | 47.10 | -2.11 |