| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.58 | -0.19 |
| Feb | 2.80 | 2.83 | -0.03 |
| Mar | 4.07 | 4.36 | -0.29 |
| Apr | 3.71 | 3.66 | 0.05 |
| May | 3.68 | 3.74 | -0.06 |
| Jun | 4.29 | 4.26 | 0.03 |
| Jul | 4.76 | 4.77 | -0.01 |
| Aug | 4.43 | 4.75 | -0.32 |
| Sep | 4.08 | 4.06 | 0.02 |
| Oct | 3.80 | 4.06 | -0.26 |
| Nov | 3.22 | 3.25 | -0.03 |
| Dec | 4.15 | 4.36 | -0.21 |
46.38 | 47.68 | -1.30 |