| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.55 | 3.62 | -0.07 |
| Feb | 2.97 | 3.09 | -0.12 |
| Mar | 3.86 | 4.02 | -0.16 |
| Apr | 3.62 | 3.83 | -0.21 |
| May | 3.54 | 3.43 | 0.11 |
| Jun | 4.04 | 4.15 | -0.11 |
| Jul | 4.36 | 4.30 | 0.06 |
| Aug | 4.09 | 4.33 | -0.24 |
| Sep | 4.04 | 4.15 | -0.11 |
| Oct | 3.11 | 3.18 | -0.07 |
| Nov | 3.23 | 3.30 | -0.07 |
| Dec | 3.43 | 3.53 | -0.10 |
43.84 | 44.93 | -1.09 |