| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.79 | -0.01 |
| Feb | 2.92 | 2.98 | -0.06 |
| Mar | 4.34 | 4.32 | 0.02 |
| Apr | 5.08 | 5.08 | 0.00 |
| May | 5.60 | 5.66 | -0.06 |
| Jun | 3.83 | 3.91 | -0.08 |
| Jul | 4.06 | 4.10 | -0.04 |
| Aug | 3.63 | 3.68 | -0.05 |
| Sep | 3.80 | 3.70 | 0.10 |
| Oct | 3.54 | 3.80 | -0.26 |
| Nov | 4.27 | 4.25 | 0.02 |
| Dec | 3.10 | 3.23 | -0.13 |
46.95 | 47.50 | -0.55 |