| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 4.12 | -0.50 |
| Feb | 3.44 | 3.89 | -0.45 |
| Mar | 3.59 | 3.79 | -0.20 |
| Apr | 3.36 | 3.70 | -0.34 |
| May | 3.81 | 4.00 | -0.19 |
| Jun | 5.22 | 5.28 | -0.06 |
| Jul | 5.26 | 5.53 | -0.27 |
| Aug | 5.36 | 5.60 | -0.24 |
| Sep | 4.86 | 4.98 | -0.12 |
| Oct | 3.82 | 3.58 | 0.24 |
| Nov | 2.92 | 2.89 | 0.03 |
| Dec | 3.73 | 3.84 | -0.11 |
48.99 | 51.20 | -2.21 |