| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.68 | 1.64 | 0.04 |
| Feb | 1.89 | 1.87 | 0.02 |
| Mar | 3.14 | 3.11 | 0.03 |
| Apr | 5.01 | 4.85 | 0.16 |
| May | 6.52 | 6.67 | -0.15 |
| Jun | 5.48 | 5.75 | -0.27 |
| Jul | 4.34 | 4.45 | -0.11 |
| Aug | 3.62 | 3.58 | 0.04 |
| Sep | 4.60 | 4.70 | -0.10 |
| Oct | 3.66 | 3.68 | -0.02 |
| Nov | 3.09 | 3.03 | 0.06 |
| Dec | 2.33 | 2.26 | 0.07 |
45.36 | 45.59 | -0.23 |