| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.45 | 0.05 |
| Feb | 2.93 | 2.92 | 0.01 |
| Mar | 4.05 | 4.18 | -0.13 |
| Apr | 3.41 | 3.45 | -0.04 |
| May | 3.64 | 3.90 | -0.26 |
| Jun | 3.93 | 4.04 | -0.11 |
| Jul | 4.17 | 4.20 | -0.03 |
| Aug | 5.06 | 4.65 | 0.41 |
| Sep | 4.10 | 4.57 | -0.47 |
| Oct | 3.86 | 4.32 | -0.46 |
| Nov | 3.20 | 3.27 | -0.07 |
| Dec | 3.74 | 3.89 | -0.15 |
45.59 | 46.84 | -1.25 |