| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.34 | 3.57 | -0.23 |
| Feb | 2.77 | 2.86 | -0.09 |
| Mar | 4.01 | 4.33 | -0.32 |
| Apr | 3.68 | 3.73 | -0.05 |
| May | 3.70 | 3.90 | -0.20 |
| Jun | 4.13 | 4.25 | -0.12 |
| Jul | 4.76 | 4.69 | 0.07 |
| Aug | 4.29 | 4.75 | -0.46 |
| Sep | 4.32 | 4.40 | -0.08 |
| Oct | 3.80 | 3.99 | -0.19 |
| Nov | 3.24 | 3.22 | 0.02 |
| Dec | 4.17 | 4.40 | -0.23 |
46.21 | 48.09 | -1.88 |