| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.61 | 3.72 | -0.11 |
| Feb | 3.20 | 3.21 | -0.01 |
| Mar | 4.03 | 4.09 | -0.06 |
| Apr | 3.74 | 3.66 | 0.08 |
| May | 3.57 | 3.51 | 0.06 |
| Jun | 4.18 | 4.17 | 0.01 |
| Jul | 3.72 | 3.69 | 0.03 |
| Aug | 4.19 | 4.09 | 0.10 |
| Sep | 3.66 | 3.78 | -0.12 |
| Oct | 3.20 | 3.20 | 0.00 |
| Nov | 3.32 | 3.27 | 0.05 |
| Dec | 3.75 | 3.87 | -0.12 |
44.17 | 44.26 | -0.09 |