| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.78 | 0.03 |
| Feb | 1.27 | 1.27 | 0.00 |
| Mar | 2.25 | 2.20 | 0.05 |
| Apr | 2.93 | 2.98 | -0.05 |
| May | 5.04 | 4.98 | 0.06 |
| Jun | 4.64 | 4.61 | 0.03 |
| Jul | 4.39 | 4.30 | 0.09 |
| Aug | 3.88 | 3.90 | -0.02 |
| Sep | 3.07 | 3.25 | -0.18 |
| Oct | 2.63 | 2.48 | 0.15 |
| Nov | 1.58 | 1.57 | 0.01 |
| Dec | 1.26 | 1.23 | 0.03 |
33.75 | 33.55 | 0.20 |