| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.17 | 5.51 | -0.34 |
| Feb | 3.70 | 3.69 | 0.01 |
| Mar | 4.22 | 4.10 | 0.12 |
| Apr | 2.99 | 2.94 | 0.05 |
| May | 2.04 | 2.03 | 0.01 |
| Jun | 1.59 | 1.62 | -0.03 |
| Jul | 0.78 | 0.75 | 0.03 |
| Aug | 0.99 | 0.94 | 0.05 |
| Sep | 1.64 | 1.57 | 0.07 |
| Oct | 3.78 | 3.67 | 0.11 |
| Nov | 5.76 | 5.91 | -0.15 |
| Dec | 5.63 | 5.74 | -0.11 |
38.29 | 38.47 | -0.18 |