| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.27 | 0.11 |
| Feb | 3.25 | 3.34 | -0.09 |
| Mar | 4.00 | 3.93 | 0.07 |
| Apr | 4.40 | 4.34 | 0.06 |
| May | 3.77 | 3.61 | 0.16 |
| Jun | 4.51 | 4.75 | -0.24 |
| Jul | 3.82 | 3.96 | -0.14 |
| Aug | 3.70 | 3.63 | 0.07 |
| Sep | 3.93 | 3.86 | 0.07 |
| Oct | 5.33 | 5.44 | -0.11 |
| Nov | 4.43 | 4.28 | 0.15 |
| Dec | 4.47 | 4.46 | 0.01 |
48.99 | 48.87 | 0.12 |