| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.66 | 3.55 | 0.11 |
| Feb | 2.87 | 2.76 | 0.11 |
| Mar | 3.32 | 3.27 | 0.05 |
| Apr | 2.64 | 2.70 | -0.06 |
| May | 2.53 | 2.55 | -0.02 |
| Jun | 2.01 | 2.00 | 0.01 |
| Jul | 0.58 | 0.57 | 0.01 |
| Aug | 0.57 | 0.52 | 0.05 |
| Sep | 0.99 | 1.08 | -0.09 |
| Oct | 1.95 | 1.99 | -0.04 |
| Nov | 3.29 | 3.10 | 0.19 |
| Dec | 4.40 | 4.21 | 0.19 |
28.81 | 28.30 | 0.51 |