| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.37 | -0.18 |
| Feb | 2.80 | 2.99 | -0.19 |
| Mar | 3.85 | 3.87 | -0.02 |
| Apr | 3.94 | 4.00 | -0.06 |
| May | 3.53 | 3.57 | -0.04 |
| Jun | 4.21 | 4.34 | -0.13 |
| Jul | 3.84 | 4.00 | -0.16 |
| Aug | 4.24 | 4.04 | 0.20 |
| Sep | 4.16 | 4.20 | -0.04 |
| Oct | 4.45 | 4.59 | -0.14 |
| Nov | 3.59 | 3.73 | -0.14 |
| Dec | 4.13 | 4.33 | -0.20 |
45.93 | 47.03 | -1.10 |