| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.50 | -0.07 |
| Feb | 2.83 | 2.92 | -0.09 |
| Mar | 3.89 | 3.89 | 0.00 |
| Apr | 4.74 | 4.86 | -0.12 |
| May | 5.12 | 5.08 | 0.04 |
| Jun | 5.01 | 4.93 | 0.08 |
| Jul | 4.45 | 4.10 | 0.35 |
| Aug | 3.50 | 3.46 | 0.04 |
| Sep | 3.13 | 3.16 | -0.03 |
| Oct | 3.50 | 3.36 | 0.14 |
| Nov | 3.48 | 3.46 | 0.02 |
| Dec | 3.63 | 3.70 | -0.07 |
46.71 | 46.42 | 0.29 |