| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.62 | -0.06 |
| Feb | 2.93 | 2.88 | 0.05 |
| Mar | 4.15 | 4.03 | 0.12 |
| Apr | 3.70 | 3.58 | 0.12 |
| May | 3.77 | 3.66 | 0.11 |
| Jun | 4.46 | 4.48 | -0.02 |
| Jul | 4.92 | 4.79 | 0.13 |
| Aug | 4.80 | 4.64 | 0.16 |
| Sep | 5.11 | 5.33 | -0.22 |
| Oct | 3.59 | 3.70 | -0.11 |
| Nov | 3.48 | 3.38 | 0.10 |
| Dec | 3.55 | 3.45 | 0.10 |
48.02 | 47.54 | 0.48 |