| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 3.92 | -0.07 |
| Feb | 3.88 | 3.84 | 0.04 |
| Mar | 4.76 | 4.83 | -0.07 |
| Apr | 5.06 | 5.12 | -0.06 |
| May | 4.98 | 5.16 | -0.18 |
| Jun | 4.60 | 4.59 | 0.01 |
| Jul | 4.10 | 4.21 | -0.11 |
| Aug | 3.17 | 2.94 | 0.23 |
| Sep | 3.40 | 3.49 | -0.09 |
| Oct | 3.82 | 3.85 | -0.03 |
| Nov | 4.19 | 4.19 | 0.00 |
| Dec | 4.32 | 4.27 | 0.05 |
50.13 | 50.41 | -0.28 |