| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.45 | -0.19 |
| Feb | 2.54 | 2.70 | -0.16 |
| Mar | 3.51 | 3.58 | -0.07 |
| Apr | 4.79 | 5.07 | -0.28 |
| May | 4.98 | 5.07 | -0.09 |
| Jun | 5.22 | 5.38 | -0.16 |
| Jul | 4.70 | 4.63 | 0.07 |
| Aug | 3.23 | 3.27 | -0.04 |
| Sep | 3.53 | 3.65 | -0.12 |
| Oct | 3.65 | 3.74 | -0.09 |
| Nov | 3.81 | 3.87 | -0.06 |
| Dec | 3.18 | 3.33 | -0.15 |
46.40 | 47.74 | -1.34 |