| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.75 | 4.00 | -0.25 |
| Feb | 3.35 | 3.55 | -0.20 |
| Mar | 4.82 | 5.20 | -0.38 |
| Apr | 4.27 | 4.59 | -0.32 |
| May | 3.43 | 3.48 | -0.05 |
| Jun | 3.62 | 3.66 | -0.04 |
| Jul | 3.11 | 3.15 | -0.04 |
| Aug | 3.67 | 3.70 | -0.03 |
| Sep | 3.85 | 3.80 | 0.05 |
| Oct | 4.50 | 4.60 | -0.10 |
| Nov | 3.95 | 4.09 | -0.14 |
| Dec | 4.61 | 4.87 | -0.26 |
46.93 | 48.69 | -1.76 |