| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.49 | 2.58 | -0.09 |
| Feb | 2.09 | 2.18 | -0.09 |
| Mar | 2.28 | 2.33 | -0.05 |
| Apr | 3.63 | 3.59 | 0.04 |
| May | 4.25 | 4.25 | 0.00 |
| Jun | 4.12 | 3.97 | 0.15 |
| Jul | 3.98 | 3.93 | 0.05 |
| Aug | 3.88 | 3.92 | -0.04 |
| Sep | 3.20 | 3.07 | 0.13 |
| Oct | 3.26 | 3.19 | 0.07 |
| Nov | 2.88 | 2.86 | 0.02 |
| Dec | 2.45 | 2.37 | 0.08 |
38.51 | 38.24 | 0.27 |