| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.60 | 3.69 | -0.09 |
| Feb | 3.05 | 2.98 | 0.07 |
| Mar | 4.19 | 4.22 | -0.03 |
| Apr | 3.67 | 3.65 | 0.02 |
| May | 3.64 | 3.63 | 0.01 |
| Jun | 4.25 | 4.16 | 0.09 |
| Jul | 4.63 | 4.53 | 0.10 |
| Aug | 4.38 | 4.29 | 0.09 |
| Sep | 5.00 | 5.05 | -0.05 |
| Oct | 3.43 | 3.45 | -0.02 |
| Nov | 3.33 | 3.33 | 0.00 |
| Dec | 3.57 | 3.56 | 0.01 |
46.74 | 46.54 | 0.20 |