| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.51 | 2.69 | -0.18 |
| Feb | 2.34 | 2.46 | -0.12 |
| Mar | 4.03 | 3.99 | 0.04 |
| Apr | 4.86 | 4.91 | -0.05 |
| May | 5.70 | 6.02 | -0.32 |
| Jun | 4.53 | 4.43 | 0.10 |
| Jul | 3.79 | 3.97 | -0.18 |
| Aug | 3.57 | 3.36 | 0.21 |
| Sep | 4.18 | 4.17 | 0.01 |
| Oct | 4.13 | 4.09 | 0.04 |
| Nov | 3.92 | 3.99 | -0.07 |
| Dec | 3.03 | 3.18 | -0.15 |
46.59 | 47.26 | -0.67 |