| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.73 | -0.17 |
| Feb | 3.10 | 3.18 | -0.08 |
| Mar | 3.80 | 4.05 | -0.25 |
| Apr | 3.58 | 3.63 | -0.05 |
| May | 3.53 | 3.43 | 0.10 |
| Jun | 4.10 | 4.15 | -0.05 |
| Jul | 3.77 | 3.91 | -0.14 |
| Aug | 4.07 | 4.22 | -0.15 |
| Sep | 3.71 | 3.90 | -0.19 |
| Oct | 3.12 | 3.24 | -0.12 |
| Nov | 3.20 | 3.28 | -0.08 |
| Dec | 3.51 | 3.74 | -0.23 |
43.05 | 44.46 | -1.41 |