| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.60 | 2.66 | -0.06 |
| Feb | 2.41 | 2.47 | -0.06 |
| Mar | 4.08 | 4.08 | 0.00 |
| Apr | 4.78 | 4.92 | -0.14 |
| May | 5.76 | 5.75 | 0.01 |
| Jun | 4.34 | 4.21 | 0.13 |
| Jul | 3.72 | 4.08 | -0.36 |
| Aug | 3.31 | 3.28 | 0.03 |
| Sep | 4.15 | 4.28 | -0.13 |
| Oct | 3.98 | 3.89 | 0.09 |
| Nov | 3.98 | 3.93 | 0.05 |
| Dec | 3.05 | 3.07 | -0.02 |
46.16 | 46.62 | -0.46 |