| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.43 | 0.06 |
| Feb | 2.76 | 2.77 | -0.01 |
| Mar | 4.03 | 3.98 | 0.05 |
| Apr | 3.51 | 3.63 | -0.12 |
| May | 4.05 | 4.01 | 0.04 |
| Jun | 4.56 | 4.53 | 0.03 |
| Jul | 5.07 | 4.94 | 0.13 |
| Aug | 4.82 | 4.85 | -0.03 |
| Sep | 5.01 | 4.93 | 0.08 |
| Oct | 3.65 | 3.81 | -0.16 |
| Nov | 3.19 | 3.22 | -0.03 |
| Dec | 3.64 | 3.66 | -0.02 |
47.78 | 47.76 | 0.02 |