| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.41 | 0.03 |
| Feb | 2.74 | 2.87 | -0.13 |
| Mar | 3.85 | 3.89 | -0.04 |
| Apr | 3.76 | 3.67 | 0.09 |
| May | 3.75 | 4.00 | -0.25 |
| Jun | 4.50 | 4.60 | -0.10 |
| Jul | 4.36 | 4.64 | -0.28 |
| Aug | 4.56 | 4.63 | -0.07 |
| Sep | 4.50 | 4.66 | -0.16 |
| Oct | 4.57 | 4.71 | -0.14 |
| Nov | 3.76 | 3.61 | 0.15 |
| Dec | 4.09 | 4.10 | -0.01 |
47.88 | 48.79 | -0.91 |