| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.66 | -0.21 |
| Feb | 2.97 | 3.10 | -0.13 |
| Mar | 3.74 | 4.02 | -0.28 |
| Apr | 3.93 | 4.02 | -0.09 |
| May | 3.73 | 3.70 | 0.03 |
| Jun | 4.03 | 4.04 | -0.01 |
| Jul | 4.26 | 4.19 | 0.07 |
| Aug | 4.19 | 4.30 | -0.11 |
| Sep | 3.99 | 4.12 | -0.13 |
| Oct | 3.15 | 3.25 | -0.10 |
| Nov | 3.16 | 3.29 | -0.13 |
| Dec | 3.40 | 3.74 | -0.34 |
44.00 | 45.43 | -1.43 |