| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.58 | -0.04 |
| Feb | 2.87 | 2.91 | -0.04 |
| Mar | 4.06 | 4.00 | 0.06 |
| Apr | 3.70 | 3.77 | -0.07 |
| May | 3.83 | 3.98 | -0.15 |
| Jun | 4.52 | 4.23 | 0.29 |
| Jul | 5.27 | 5.47 | -0.20 |
| Aug | 5.00 | 5.34 | -0.34 |
| Sep | 4.99 | 5.00 | -0.01 |
| Oct | 3.95 | 4.29 | -0.34 |
| Nov | 3.09 | 3.03 | 0.06 |
| Dec | 3.63 | 3.62 | 0.01 |
48.45 | 49.22 | -0.77 |