| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 2.98 | 0.06 |
| Feb | 2.37 | 2.32 | 0.05 |
| Mar | 3.25 | 3.29 | -0.04 |
| Apr | 3.69 | 3.51 | 0.18 |
| May | 3.81 | 3.88 | -0.07 |
| Jun | 4.09 | 3.93 | 0.16 |
| Jul | 4.48 | 4.43 | 0.05 |
| Aug | 3.92 | 4.15 | -0.23 |
| Sep | 4.56 | 4.69 | -0.13 |
| Oct | 3.70 | 3.90 | -0.20 |
| Nov | 3.16 | 2.85 | 0.31 |
| Dec | 3.30 | 3.37 | -0.07 |
43.37 | 43.30 | 0.07 |