| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 2.99 | 0.03 |
| Feb | 2.46 | 2.41 | 0.05 |
| Mar | 3.29 | 3.22 | 0.07 |
| Apr | 2.86 | 2.86 | 0.00 |
| May | 4.78 | 4.62 | 0.16 |
| Jun | 3.33 | 3.34 | -0.01 |
| Jul | 1.73 | 1.93 | -0.20 |
| Aug | 2.61 | 2.47 | 0.14 |
| Sep | 3.28 | 3.17 | 0.11 |
| Oct | 4.35 | 4.28 | 0.07 |
| Nov | 3.16 | 3.13 | 0.03 |
| Dec | 3.32 | 3.29 | 0.03 |
38.19 | 37.71 | 0.48 |