| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.58 | -0.20 |
| Feb | 2.79 | 2.83 | -0.04 |
| Mar | 4.06 | 4.36 | -0.30 |
| Apr | 3.71 | 3.66 | 0.05 |
| May | 3.65 | 3.78 | -0.13 |
| Jun | 4.22 | 4.29 | -0.07 |
| Jul | 4.71 | 4.76 | -0.05 |
| Aug | 4.38 | 4.74 | -0.36 |
| Sep | 4.11 | 4.13 | -0.02 |
| Oct | 3.81 | 4.04 | -0.23 |
| Nov | 3.22 | 3.24 | -0.02 |
| Dec | 4.14 | 4.35 | -0.21 |
46.18 | 47.76 | -1.58 |