| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.12 | -0.13 |
| Feb | 2.63 | 2.76 | -0.13 |
| Mar | 3.67 | 3.86 | -0.19 |
| Apr | 3.37 | 3.43 | -0.06 |
| May | 4.20 | 4.49 | -0.29 |
| Jun | 4.20 | 4.47 | -0.27 |
| Jul | 4.43 | 4.65 | -0.22 |
| Aug | 3.59 | 3.75 | -0.16 |
| Sep | 4.26 | 4.51 | -0.25 |
| Oct | 3.75 | 3.94 | -0.19 |
| Nov | 3.07 | 3.22 | -0.15 |
| Dec | 3.56 | 3.63 | -0.07 |
43.72 | 45.83 | -2.11 |