| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.30 | -0.07 |
| Feb | 2.83 | 2.92 | -0.09 |
| Mar | 4.13 | 4.14 | -0.01 |
| Apr | 3.39 | 3.49 | -0.10 |
| May | 3.76 | 3.98 | -0.22 |
| Jun | 4.12 | 4.12 | 0.00 |
| Jul | 4.24 | 4.39 | -0.15 |
| Aug | 4.50 | 4.78 | -0.28 |
| Sep | 4.08 | 4.03 | 0.05 |
| Oct | 3.81 | 4.15 | -0.34 |
| Nov | 3.21 | 3.19 | 0.02 |
| Dec | 3.77 | 3.85 | -0.08 |
45.07 | 46.34 | -1.27 |