| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 2.69 | 0.01 |
| Feb | 2.75 | 2.72 | 0.03 |
| Mar | 3.93 | 3.80 | 0.13 |
| Apr | 4.27 | 4.23 | 0.04 |
| May | 5.90 | 5.81 | 0.09 |
| Jun | 4.33 | 4.16 | 0.17 |
| Jul | 3.06 | 3.02 | 0.04 |
| Aug | 2.88 | 2.79 | 0.09 |
| Sep | 3.57 | 3.70 | -0.13 |
| Oct | 4.47 | 4.43 | 0.04 |
| Nov | 3.62 | 3.60 | 0.02 |
| Dec | 3.61 | 3.56 | 0.05 |
45.09 | 44.51 | 0.58 |