| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.81 | -0.11 |
| Feb | 3.21 | 3.34 | -0.13 |
| Mar | 4.06 | 4.20 | -0.14 |
| Apr | 4.03 | 4.44 | -0.41 |
| May | 4.06 | 4.13 | -0.07 |
| Jun | 4.49 | 4.75 | -0.26 |
| Jul | 4.16 | 4.36 | -0.20 |
| Aug | 4.48 | 4.67 | -0.19 |
| Sep | 3.94 | 4.06 | -0.12 |
| Oct | 3.41 | 3.41 | 0.00 |
| Nov | 3.39 | 3.62 | -0.23 |
| Dec | 3.86 | 4.15 | -0.29 |
46.79 | 48.94 | -2.15 |