| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.15 | 0.02 |
| Feb | 2.61 | 2.64 | -0.03 |
| Mar | 3.78 | 3.74 | 0.04 |
| Apr | 3.59 | 3.54 | 0.05 |
| May | 4.06 | 4.05 | 0.01 |
| Jun | 4.04 | 3.96 | 0.08 |
| Jul | 4.25 | 4.02 | 0.23 |
| Aug | 3.44 | 3.66 | -0.22 |
| Sep | 4.69 | 4.90 | -0.21 |
| Oct | 3.85 | 3.79 | 0.06 |
| Nov | 3.20 | 3.14 | 0.06 |
| Dec | 3.49 | 3.56 | -0.07 |
44.17 | 44.15 | 0.02 |