| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.74 | 4.68 | 0.06 |
| Feb | 4.87 | 4.99 | -0.12 |
| Mar | 5.06 | 5.20 | -0.14 |
| Apr | 4.36 | 4.27 | 0.09 |
| May | 3.73 | 4.05 | -0.32 |
| Jun | 3.91 | 4.12 | -0.21 |
| Jul | 4.46 | 4.64 | -0.18 |
| Aug | 3.67 | 3.97 | -0.30 |
| Sep | 3.50 | 3.95 | -0.45 |
| Oct | 3.26 | 3.48 | -0.22 |
| Nov | 4.15 | 4.21 | -0.06 |
| Dec | 4.77 | 4.94 | -0.17 |
50.48 | 52.50 | -2.02 |