| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.27 | 0.16 |
| Feb | 2.66 | 2.59 | 0.07 |
| Mar | 3.35 | 3.29 | 0.06 |
| Apr | 3.93 | 3.83 | 0.10 |
| May | 4.10 | 4.07 | 0.03 |
| Jun | 4.51 | 4.36 | 0.15 |
| Jul | 4.34 | 4.18 | 0.16 |
| Aug | 4.00 | 3.96 | 0.04 |
| Sep | 3.97 | 4.03 | -0.06 |
| Oct | 3.78 | 3.72 | 0.06 |
| Nov | 3.60 | 3.50 | 0.10 |
| Dec | 3.51 | 3.50 | 0.01 |
45.18 | 44.30 | 0.88 |