| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.43 | -0.17 |
| Feb | 2.64 | 2.72 | -0.08 |
| Mar | 3.92 | 4.07 | -0.15 |
| Apr | 3.63 | 3.70 | -0.07 |
| May | 3.75 | 3.74 | 0.01 |
| Jun | 4.37 | 4.45 | -0.08 |
| Jul | 4.69 | 4.86 | -0.17 |
| Aug | 4.32 | 4.48 | -0.16 |
| Sep | 4.80 | 4.83 | -0.03 |
| Oct | 4.19 | 4.36 | -0.17 |
| Nov | 3.29 | 3.36 | -0.07 |
| Dec | 3.94 | 4.09 | -0.15 |
46.80 | 48.09 | -1.29 |