| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.59 | -0.09 |
| Feb | 2.81 | 2.88 | -0.07 |
| Mar | 4.37 | 4.41 | -0.04 |
| Apr | 3.50 | 3.51 | -0.01 |
| May | 3.48 | 3.57 | -0.09 |
| Jun | 3.95 | 4.18 | -0.23 |
| Jul | 4.71 | 4.67 | 0.04 |
| Aug | 4.62 | 4.86 | -0.24 |
| Sep | 4.02 | 4.11 | -0.09 |
| Oct | 4.13 | 3.98 | 0.15 |
| Nov | 3.21 | 3.21 | 0.00 |
| Dec | 4.27 | 4.33 | -0.06 |
46.57 | 47.30 | -0.73 |