| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.67 | -0.40 |
| Feb | 2.89 | 3.12 | -0.23 |
| Mar | 4.13 | 4.26 | -0.13 |
| Apr | 3.74 | 3.98 | -0.24 |
| May | 3.36 | 3.30 | 0.06 |
| Jun | 3.88 | 3.79 | 0.09 |
| Jul | 3.42 | 3.12 | 0.30 |
| Aug | 3.96 | 3.83 | 0.13 |
| Sep | 3.79 | 3.66 | 0.13 |
| Oct | 3.86 | 4.16 | -0.30 |
| Nov | 3.27 | 3.36 | -0.09 |
| Dec | 4.21 | 4.50 | -0.29 |
43.78 | 44.75 | -0.97 |