| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.25 | -0.12 |
| Feb | 2.62 | 2.83 | -0.21 |
| Mar | 3.86 | 4.06 | -0.20 |
| Apr | 3.57 | 3.55 | 0.02 |
| May | 4.28 | 4.21 | 0.07 |
| Jun | 4.28 | 4.20 | 0.08 |
| Jul | 4.30 | 4.13 | 0.17 |
| Aug | 3.78 | 3.87 | -0.09 |
| Sep | 4.49 | 4.48 | 0.01 |
| Oct | 3.98 | 4.19 | -0.21 |
| Nov | 3.32 | 3.28 | 0.04 |
| Dec | 3.66 | 3.92 | -0.26 |
45.27 | 45.97 | -0.70 |