| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.16 | 0.11 |
| Feb | 2.74 | 2.73 | 0.01 |
| Mar | 4.05 | 3.93 | 0.12 |
| Apr | 4.85 | 4.85 | 0.00 |
| May | 5.00 | 4.81 | 0.19 |
| Jun | 4.67 | 4.60 | 0.07 |
| Jul | 3.85 | 3.91 | -0.06 |
| Aug | 3.36 | 3.21 | 0.15 |
| Sep | 3.38 | 3.25 | 0.13 |
| Oct | 3.45 | 3.40 | 0.05 |
| Nov | 3.92 | 3.89 | 0.03 |
| Dec | 3.34 | 3.23 | 0.11 |
45.88 | 44.97 | 0.91 |