| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.65 | 0.01 |
| Feb | 3.63 | 3.62 | 0.01 |
| Mar | 4.06 | 4.02 | 0.04 |
| Apr | 4.10 | 4.00 | 0.10 |
| May | 4.63 | 4.36 | 0.27 |
| Jun | 4.23 | 4.30 | -0.07 |
| Jul | 5.00 | 5.40 | -0.40 |
| Aug | 4.23 | 4.26 | -0.03 |
| Sep | 3.26 | 3.13 | 0.13 |
| Oct | 3.00 | 2.61 | 0.39 |
| Nov | 3.17 | 2.96 | 0.21 |
| Dec | 3.83 | 3.90 | -0.07 |
46.80 | 46.21 | 0.59 |