| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.16 | 4.22 | -0.06 |
| Feb | 3.70 | 3.84 | -0.14 |
| Mar | 4.58 | 4.56 | 0.02 |
| Apr | 3.70 | 3.67 | 0.03 |
| May | 3.61 | 3.60 | 0.01 |
| Jun | 4.21 | 4.06 | 0.15 |
| Jul | 3.76 | 3.90 | -0.14 |
| Aug | 4.16 | 4.33 | -0.17 |
| Sep | 3.71 | 3.57 | 0.14 |
| Oct | 3.26 | 3.33 | -0.07 |
| Nov | 3.61 | 3.75 | -0.14 |
| Dec | 4.31 | 4.53 | -0.22 |
46.77 | 47.36 | -0.59 |