| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.71 | 3.68 | 0.03 |
| Feb | 3.26 | 3.19 | 0.07 |
| Mar | 4.06 | 3.93 | 0.13 |
| Apr | 3.67 | 3.69 | -0.02 |
| May | 3.99 | 4.14 | -0.15 |
| Jun | 4.66 | 4.64 | 0.02 |
| Jul | 5.71 | 5.53 | 0.18 |
| Aug | 5.85 | 5.67 | 0.18 |
| Sep | 6.67 | 6.59 | 0.08 |
| Oct | 3.51 | 3.63 | -0.12 |
| Nov | 3.29 | 3.29 | 0.00 |
| Dec | 3.46 | 3.39 | 0.07 |
51.84 | 51.37 | 0.47 |