| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.49 | -0.12 |
| Feb | 3.23 | 3.37 | -0.14 |
| Mar | 4.25 | 4.54 | -0.29 |
| Apr | 4.05 | 3.92 | 0.13 |
| May | 3.69 | 3.69 | 0.00 |
| Jun | 4.15 | 4.24 | -0.09 |
| Jul | 3.67 | 3.62 | 0.05 |
| Aug | 3.50 | 3.43 | 0.07 |
| Sep | 3.81 | 3.70 | 0.11 |
| Oct | 4.67 | 4.70 | -0.03 |
| Nov | 3.74 | 3.73 | 0.01 |
| Dec | 4.33 | 4.51 | -0.18 |
46.46 | 46.94 | -0.48 |