| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.75 | -0.17 |
| Feb | 2.96 | 2.99 | -0.03 |
| Mar | 4.25 | 4.25 | 0.00 |
| Apr | 3.83 | 3.85 | -0.02 |
| May | 3.77 | 3.93 | -0.16 |
| Jun | 4.57 | 4.43 | 0.14 |
| Jul | 4.38 | 4.44 | -0.06 |
| Aug | 4.26 | 4.23 | 0.03 |
| Sep | 4.77 | 4.98 | -0.21 |
| Oct | 3.50 | 3.40 | 0.10 |
| Nov | 3.41 | 3.36 | 0.05 |
| Dec | 3.64 | 3.59 | 0.05 |
46.92 | 47.20 | -0.28 |