| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.80 | 4.67 | 0.13 |
| Feb | 4.76 | 4.76 | 0.00 |
| Mar | 4.89 | 4.81 | 0.08 |
| Apr | 3.99 | 4.06 | -0.07 |
| May | 3.74 | 3.81 | -0.07 |
| Jun | 4.48 | 4.40 | 0.08 |
| Jul | 4.90 | 4.88 | 0.02 |
| Aug | 4.33 | 4.48 | -0.15 |
| Sep | 3.98 | 4.07 | -0.09 |
| Oct | 3.51 | 3.50 | 0.01 |
| Nov | 4.08 | 4.20 | -0.12 |
| Dec | 4.70 | 4.70 | 0.00 |
52.16 | 52.34 | -0.18 |