| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.85 | 4.08 | -0.23 |
| Feb | 3.34 | 3.54 | -0.20 |
| Mar | 4.38 | 4.57 | -0.19 |
| Apr | 4.16 | 4.10 | 0.06 |
| May | 3.48 | 3.74 | -0.26 |
| Jun | 4.09 | 4.29 | -0.20 |
| Jul | 4.02 | 4.10 | -0.08 |
| Aug | 4.34 | 4.54 | -0.20 |
| Sep | 3.86 | 3.93 | -0.07 |
| Oct | 3.25 | 3.43 | -0.18 |
| Nov | 3.64 | 3.64 | 0.00 |
| Dec | 4.25 | 4.32 | -0.07 |
46.66 | 48.28 | -1.62 |