| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.68 | 2.78 | -0.10 |
| Feb | 2.15 | 2.31 | -0.16 |
| Mar | 2.93 | 2.92 | 0.01 |
| Apr | 4.00 | 3.95 | 0.05 |
| May | 4.51 | 4.38 | 0.13 |
| Jun | 5.04 | 4.91 | 0.13 |
| Jul | 4.35 | 4.50 | -0.15 |
| Aug | 3.67 | 3.59 | 0.08 |
| Sep | 3.28 | 3.32 | -0.04 |
| Oct | 3.07 | 2.95 | 0.12 |
| Nov | 3.14 | 3.17 | -0.03 |
| Dec | 2.59 | 2.54 | 0.05 |
41.41 | 41.32 | 0.09 |