| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.49 | 0.02 |
| Feb | 2.83 | 2.68 | 0.15 |
| Mar | 4.04 | 3.97 | 0.07 |
| Apr | 3.58 | 3.42 | 0.16 |
| May | 4.24 | 4.22 | 0.02 |
| Jun | 4.06 | 3.99 | 0.07 |
| Jul | 4.47 | 4.44 | 0.03 |
| Aug | 3.93 | 4.09 | -0.16 |
| Sep | 4.35 | 4.61 | -0.26 |
| Oct | 3.66 | 3.67 | -0.01 |
| Nov | 3.33 | 3.34 | -0.01 |
| Dec | 3.62 | 3.63 | -0.01 |
45.62 | 45.55 | 0.07 |