| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.28 | 2.34 | -0.06 |
| Feb | 1.98 | 1.98 | 0.00 |
| Mar | 2.91 | 2.80 | 0.11 |
| Apr | 2.76 | 2.74 | 0.02 |
| May | 4.17 | 4.33 | -0.16 |
| Jun | 3.45 | 3.44 | 0.01 |
| Jul | 2.17 | 2.29 | -0.12 |
| Aug | 2.73 | 2.86 | -0.13 |
| Sep | 3.35 | 3.56 | -0.21 |
| Oct | 3.67 | 3.75 | -0.08 |
| Nov | 2.66 | 2.74 | -0.08 |
| Dec | 2.50 | 2.57 | -0.07 |
34.63 | 35.40 | -0.77 |