| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.63 | 3.72 | -0.09 |
| Feb | 3.16 | 3.24 | -0.08 |
| Mar | 3.92 | 4.16 | -0.24 |
| Apr | 3.63 | 3.65 | -0.02 |
| May | 3.53 | 3.48 | 0.05 |
| Jun | 4.16 | 4.15 | 0.01 |
| Jul | 3.76 | 3.72 | 0.04 |
| Aug | 4.08 | 4.10 | -0.02 |
| Sep | 3.69 | 3.76 | -0.07 |
| Oct | 3.16 | 3.19 | -0.03 |
| Nov | 3.25 | 3.30 | -0.05 |
| Dec | 3.64 | 3.79 | -0.15 |
43.61 | 44.26 | -0.65 |